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Holtek BS83B08-3 Manual

8-bit touch key flash mcu
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8-Bit Touch Key Flash MCU
BS83B08-3/BS83B12-3
BS83B16-3/BS83B16G-3
BS83C24-3
Revision: 1.50
Date: April 28, 2020

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Summary of Contents for Holtek BS83B08-3

  • Page 1 8-Bit Touch Key Flash MCU BS83B08-3/BS83B12-3 BS83B16-3/BS83B16G-3 BS83C24-3 Revision: 1.50 Date: April 28, 2020...

  • Page 2: Table Of Contents

    Contents Table of Contents Features ....................6 CPU Features ......................6 Peripheral Features ....................6 General Description ................7 Selection Table ..................7 Block Diagram ..................8 Pin assignment..................8 Pin Description ..................9 Pad Assignment for BS83B16G-3 ............11 Pad Coordinates for BS83B16G-3............11 Absolute Maximum Ratings .............12 D.C. Characteristics ................12 A.C.
  • Page 3 Contents Accumulator - ACC ....................29 Program Counter Low Register - PCL..............29 Look-up Table Registers - TBLP, TBHP, TBLH.............29 Status Register - STATUS ...................30 EEPROM Data Memory ..............31 EEPROM Data Memory Structure ................31 Reading Data from the EEPROM .................34 Writing Data to the EEPROM ................34 Write Protection ....................34 EEPROM Interrupt ....................34 Programming Considerations ................35...
  • Page 4 Contents I/O Port Control Register ..................64 I/O Pin Structures ....................66 Programming Considerations ................66 Timer/Event Counters ...............67 Configuring the Timer/Event Counter Input Clock Source ........68 Timer Register - TMR, TMR0, TMR1L, TMR1H ...........68 Timer Control Register - TMRC, TMR0C, TMR1C ..........68 8-Bit Timer/Event Counter Operating Mode ............70 16-Bit Timer/Event Counter 1 Operating Modes -- BS83C24-3......70 Prescaler ......................73...
  • Page 5 Contents Logical and Rotate Operations................112 Branches and Control Transfer ................113 Bit Operations.....................113 Table Read Operations ..................113 Other Operations ....................113 Instruction Set Summary..................114 Instruction Definition ..............116 Package Information ...............126 16-pin NSOP (150mil) Outline Dimensions ............127 16-pin SSOP (150mil) Outline Dimensions ............128 20-pin SOP (300mil) Outline Dimensions............129 20-pin SSOP (150mil) Outline Dimensions ............130 24-pin SOP (300mil) Outline Dimensions............131...

  • Page 6: Features

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Note that the BS83B16G-3/BS83C24-3 devices, although mentioned in this datasheet, have already been phased out and are presently no longer available. Features CPU Features Operating Voltage: · = 8MHz: V ~5.5V = 12MHz: 2.7V~5.5V = 16MHz: 4.5V~5.5V...

  • Page 7: General Description

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU General Description These devices are a series of Flash Memory type 8-bit high performance RISC architecture microcontrollers with fully integrated touch key functions. With all touch key functions provided internally and with the convenience of Flash Memory multi-programming features, this device range has all the features to offer designers a reliable and easy means of implementing Touch Keyes within their products applications.

  • Page 8: Block Diagram

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Block Diagram . l a s h / E E P R O M W a t c h d o g L o w V o l t a g e P r o g r a m m i n g...

  • Page 9: Pin Description

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Pin Description The function of each pin is listed in the following table, however the details behind how each pin is configured is contained in other sections of the datasheet. BS83B08-3/B12-3/B16-3/B16G-3 Pin Name Function...
  • Page 10 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU BS83C24-3 Pin Name Function Description PAWU General purpose I/O. Register enabled pull-up and CMOS PAPU wake-up. PA0/SDI/SDA SIMC0 SPI data input ¾ SIMC0 NMOS I C data PAWU General purpose I/O. Register enabled pull-up and...

  • Page 11: Pad Assignment For Bs83B16G-3

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Pad Assignment for BS83B16G-3 1 0 1 1 1 2 1 3 Pad Coordinates for BS83B16G-3 Pad No. Pad Name Pad No. Pad Name DUMMY -1361.480 677.500 Dummy 1007.340 677.500 Align1 -1379.250 -557.780 Dummy 927.340...

  • Page 12: Absolute Maximum Ratings

    =12MHz, WDT enable ¾ No load, f =16MHz, ¾ WDT enable ¾ Operating Current (LIRC), (f No load, f =32kHz, for BS83B08-3/B12-3/B16-3 WDT enable ¾ ¾ Operating Current (LIRC), (f No load, f =32kHz, for BS83C24-3 WDT enable ¾ ¾...

  • Page 13: Characteristics

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Ta=25°C Test Conditions Symbol Parameter Min. Typ. Max. Unit Conditions LVR Voltage Level LVR Enable 2.55 ¾ =9mA ¾ ¾ Output Low Voltage I/O Port =20mA ¾ ¾ =-3.2mA ¾ ¾ Output High Voltage I/O Port =-7.4mA...

  • Page 14: Power-On Reset Characteristics

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Test Conditions Symbol Parameter Min. Typ. Max. Unit Conditions +10% ¾ -10% System Clock (LIRC) 2.2V~ LIRC +60% Ta=-40°C~+85°C -50% 5.5V Timer Input Pin Frequency ¾ ¾ ¾ ¾ TIMER External Reset Low Pulse Width ¾...

  • Page 15: Oscillator Temperature/Frequency Characteristics

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Oscillator Temperature/Frequency Characteristics The following characteristic graphics depicts typical oscillator behavior. The data presented here is a statistical summary of data gathered on units from different lots over a period of time. This is for information only and the figures were not tested during manufacturing.
  • Page 16 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Internal RC -- 12MHz (3V) 12.400 12.200 12.000 11.800 2.7V 11.600 3.0V 4.0V 11.400 11.200 11.000 10.800 Ta(°C) T a ( ° C ) Internal RC -- 12MHz (5V) 13.000 12.800 12.600 3.0V 12.400 4.0V...
  • Page 17 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Internal RC -- 16MHz (5V) 16.400 16.300 16.200 16.100 16.000 4.5V 4.75V 15.900 5.0V 15.800 5.25V 5.5V 15.700 15.600 15.500 15.400 15.300 Ta(°C) T a ( ° C ) Rev. 1.50 April 28, 2020...

  • Page 18: System Architecture

    8-Bit Touch Key Flash MCU System Architecture A key factor in the high-performance features of the Holtek range of microcontroller is attributed to their internal system architecture. The range of devices take advantage of the usual features found within RISC microcontroller providing increased speed of operation and enhanced performance. The...

  • Page 19: Program Counter

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU For instructions involving branches, such as jump or call instructions, two machine cycles are required to complete instruction execution. An extra cycle is required as the program takes one cycle to first obtain the actual jump or call address and then another cycle to actually execute the branch. The requirement for this extra cycle should be taken into account by programmers in timing sensitive applications.

  • Page 20: Arithmetic And Logic Unit - Alu

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU If the stack is overflow, the first Program Counter save in the stack will be lost. Device Stack Levels P r o g r a m C o u n t e r BS83B08-3...

  • Page 21: Special Vectors

    Note: PC11~PC8: Current Program Counter bits @7~@0: Table Pointer TBLP bits For the BS83B08-3, BS83B12-3 and BS83B16-3/BS83B16G-3, the Table address location is 11 bits, i.e. from b10~b0. For the BS83C24-3, the Table address location is 12 bits, i.e. from b11~b0 Rev.
  • Page 22 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Table Program Example The following example shows how the table pointer and table data is defined and retrieved from the microcontroller. This example uses raw table data located in the Program Memory which is stored there using the ORG statement.

  • Page 23: In Circuit Programming

    The provision of Flash type Program Memory provides the user with a means of convenient and easy upgrades and modifications to their programs on the same device. As an additional convenience, Holtek has provided a means of programming the microcontroller in-circuit using a 5-pin interface. This provides manufacturers with the possibility of manufacturing their circuit boards complete with a programmed or un-programmed microcontroller, and then programming or upgrading the program at a later stage.

  • Page 24: Ram Data Memory

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU RAM Data Memory The Data Memory is a volatile area of 8-bit wide RAM internal memory and is the location where temporary information is stored. Structure Divided into two sections, the first of these is an area of RAM, known as the Special Function Data Memory.
  • Page 25 T K M 0 C 3 5 F H U n u s e d Special Purpose Data Memory - BS83B08-3/BS83B12-3 Note: The ²Reserved² bytes shown in the table must not be modified by the user. Rev. 1.50 April 28, 2020...
  • Page 26 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU B S 8 3 B 1 6 - 3 B a n k 0 , B a n k 1 B a n k 0 B a n k 1 0 0 H I A R 0...
  • Page 27 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU B S 8 3 C 2 4 - 3 B a n k 0 , 1 , 2 , 3 B a n k 0 , 2 , 3 B a n k 1...

  • Page 28: Memory Pointers - Mp0, Mp1

    For this series of devices, the Data Memory is divided into several banks. Selecting the required Data Memory area is achieved using the Bank Pointer. In the BS83B08-3, BS83B12-3, BS83B16-3 and BS83B16G-3, the data memory is divided into two banks .The Bit 0 is used to select Data Memory Banks 0~1.

  • Page 29: Accumulator - Acc

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Bank Pointer Register -- BS83B08-3, BS83B12-3, BS83B16-3 and BS83B16G-3 Name DMBP0 ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Bit 7 ~ 1 unimplemented, read as ²0²...

  • Page 30: Status Register - Status

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Status Register - STATUS This 8-bit register contains the zero flag (Z), carry flag (C), auxiliary carry flag (AC), overflow flag (OV), power down flag (PDF), and watchdog time-out flag (TO). These arithmetic/logical operation and system management flags are used to record the status and operation of the microcontroller.

  • Page 31: Eeprom Data Memory

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Bit 1 AC: Auxiliary flag 0: no auxiliary carry 1: an operation results in a carry out of the low nibbles in addition, or no borrow from the high nibble into the low nibble in subtraction...
  • Page 32 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU BS83B08-3/B12-3/B16-3/B16G-3 EEPROM Register List · Name ¾ ¾ WREN RDEN ¾ ¾ ¾ ¾ EEA Register · Name ¾ ¾ ¾ ¾ ¾ ¾ ²x² unknown Bit 7~6 unimplemented, read as ²0² Bit 5~0...
  • Page 33 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU EEC Register Name WREN RDEN ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Bit 7~4 unimplemented, read as ²0² Bit 3 WREN: data EEPROM write enable 0: disable 1: enable This is the Data EEPROM Write Enable Bit which must be set high before Data EEPROM write operations are carried out.

  • Page 34: Reading Data From The Eeprom

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Reading Data from the EEPROM To read data from the EEPROM, the read enable bit, RDEN, in the EEC register must first be set high to enable the read function. The EEPROM address of the data to be read must then be placed in the EEA register.

  • Page 35: Programming Considerations

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Programming Considerations Care must be taken that data is not inadvertently written to the EEPROM. Protection can be enhanced by ensuring that the Write Enable bit is normally cleared to zero when not writing. Also the Bank Pointer could be normally cleared to zero as this would inhibit access to Bank 1 where the EEPROM control register exist.

  • Page 36: Oscillator

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Oscillator Various oscillator options offer the user a wide range of functions according to their various application requirements. The flexible features of the oscillator functions ensure that the best optimisation can be achieved in terms of speed and power saving. Oscillator selections and operation are selected through a combination of configuration options and registers.

  • Page 37: Internal Low Speed Rc Oscillator - Lirc

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU CTRL Register Name RESBF HIRCS1 HIRCS0 ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ²x² unknown Bit 7 RESBF: Reset pin reset flag described elsewhere Bit 6 unimplemented, read as ²0²...

  • Page 38: Operating Modes And System Clocks

    As Holtek has provided these devices with both high and low speed clock sources and the means to switch between them dynamically, the user can optimise the operation of their microcontroller to achieve the best performance/power ratio.

  • Page 39: Control Register

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Control Register A single register, SMOD, is used for overall control of the internal clocks within the device. SMOD Register Name CKS2 CKS1 CKS0 IDLEN HLCLK Bit 7~5 CKS2~CKS0: The system clock selection when HLCLK is ²0²...

  • Page 40: System Operation Modes

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU System Operation Modes There are five different modes of operation for the microcontroller, each one with its own special characteristics and which can be chosen according to the specific performance and power requirements of the application. There are two modes allowing normal operation of the microcontroller, the NORMAL Mode and SLOW Mode.

  • Page 41: Operating Mode Switching

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU N O R M A L / 6 4 S Y S C P U r u n S Y S L I R C W D T o n S L E E P...

  • Page 42: Normal Mode To Slow Mode Switching

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU N O R M A L M o d e S L O W M o d e C K S 2 ~ C K S 0 = 0 0 x B & C K S 2 ~ C K S 0 ¹ 0 0 0 B , 0 0 1 B...

  • Page 43: Entering The Idle0 Mode

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Entering the IDLE0 Mode There is only one way for the device to enter the IDLE0 Mode and that is to execute the ²HALT² instruction in the application program with the IDLEN bit in SMOD register equal to ²1² and the FSYSON bit in WDTC register equal to ²0².

  • Page 44: Wake-Up

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Wake-up After the system enters the SLEEP or IDLE Mode, it can be woken up from one of various sources listed as follows: An external reset · An external falling edge on Port A ·...

  • Page 45: Watchdog Timer

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Watchdog Timer The Watchdog Timer is provided to prevent program malfunctions or sequences from jumping to unknown locations, due to certain uncontrollable external events such as electrical noise. Watchdog Timer Clock Source The Watchdog Timer clock source is provided by the internal low speed oscillator, f .
  • Page 46 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Under normal program operation, a Watchdog Timer time-out will initialise a device reset and set the status bit TO. However, if the system is in the SLEEP or IDLE Mode, when a Watchdog Timer time-out occurs, the TO bit in the status register will be set and only the Program Counter and Stack Pointer will be reset.

  • Page 47: Reset And Initialisation

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Reset and Initialisation A reset function is a fundamental part of any microcontroller ensuring that the device can be set to some predetermined condition irrespective of outside parameters. The most important reset condition is after power is first applied to the microcontroller. In this case, internal circuitry will ensure that the microcontroller, after a short delay, will be in a well defined state and ready to execute the first program instruction.
  • Page 48 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU RES Pin Although the microcontroller has an internal RC reset function, if the VDD power supply rise time is not fast enough or does not stabilise quickly at power-on, the internal reset function may be incapable of providing proper reset operation.
  • Page 49 ¾ ¾ ¾ ¾ ²x² unknown Bit 7 RESBF: Reset Pin reset flag -- BS83B08-3/B12-3/B16-3 0: no hardware reset occurred 1: hardware reset occured, this bit is cleared to zero by software. Bit 6 unimplemented, read as ²0² Bits 5,4...

  • Page 50: Reset Initial Conditions

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Watchdog Time-out Reset during SLEEP or IDLE Mode The Watchdog time-out Reset during SLEEP or IDLE Mode is a little different from other kinds of reset. Most of the conditions remain unchanged except that the Program Counter and the Stack Pointer will be cleared to ²0²...
  • Page 51 The following table describes how each type of reset affects each of the microcontroller internal registers. Note that where more than one package type exists the table will reflect the situation for the larger package type. BS83B08-3 Register Reset RES Reset...
  • Page 52 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Reset RES Reset RES Reset WDT Time-out WDT Time-out Register (Power-on) (Normal Operation) (HALT) (Normal Operation) (IDLE or SLEEP) SIMA/SIMC2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
  • Page 53 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU BS83B12-3 Register Reset RES Reset RES Reset WDT Time-out WDT Time-out Register (Power-on) (Normal Operation) (HALT) (Normal Operation) (IDLE or SLEEP) x x x x x x x x u u u u u u u u...
  • Page 54 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Reset RES Reset RES Reset WDT Time-out WDT Time-out Register (Power-on) (Normal Operation) (HALT) (Normal Operation) (IDLE or SLEEP) TKM0C0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
  • Page 55 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU BS83B16-3/BS83B16G-3 Register Reset RES Reset RES Reset WDT Time-out WDT Time-out Register (Power-on) (Normal Operation) (HALT) (Normal Operation) (IDLE or SLEEP) x x x x x x x x u u u u u u u u...
  • Page 56 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Reset RES Reset RES Reset WDT Time-out WDT Time-out Register (Power-on) (Normal Operation) (HALT) (Normal Operation) (IDLE or SLEEP) TKM0C0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
  • Page 57 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU BS83C24-3 Register Reset WDT Time-out WDT Time-out Register (Power-on) (Normal Operation) (HALT) * IAR0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 u u u u u u u u...
  • Page 58 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Reset WDT Time-out WDT Time-out Register (Power-on) (Normal Operation) (HALT) * SIMD x x x x x x x x x x x x x x x x u u u u u u u u...
  • Page 59 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Reset WDT Time-out WDT Time-out Register (Power-on) (Normal Operation) (HALT) * TKM4C0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 u u u u u u u u...

  • Page 60: Input/Output Ports

    8-Bit Touch Key Flash MCU Input/Output Ports Holtek microcontrollers offer considerable flexibility on their I/O ports. With the input or output designation of every pin fully under user program control, pull-high selections for all ports and wake-up selections on certain pins, the user is provided with an I/O structure to meet the needs of a wide range of application possibilities.
  • Page 61 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU BS83B16-3/BS83B16G-3 Register Name PAWU ¾ ¾ ¾ PAPU ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ PBPU PCPU BS83C24-3 Register Name PAWU ¾ ¾ ¾ PAPU ¾ ¾ ¾ ¾ ¾ ¾ ¾...

  • Page 62: Pull-High Resistors

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Pull-high Resistors Many product applications require pull-high resistors for their switch inputs usually requiring the use of an external resistor. To eliminate the need for these external resistors, all I/O pins, when configured as an input have the capability of being connected to an internal pull-high resistor. These pull-high resistors are selected using the register PAPU~PFPU, and are implemented using weak PMOS transistors.

  • Page 63: Port A Wake-Up

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU PDPU, PEPU Register BS83C24-3 · Name Bit 7~0 PDPU, PEPU: Port D~Port E bit 7~bit 0 pull-high control 0: disable 1: enable PFPU Register BS83C24-3 · Name ¾ ¾ ¾ ¾ ¾ ¾ ¾...

  • Page 64: I/O Port Control Register

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU I/O Port Control Register The I/O port has its own control register known as PAC~PFC, to control the input/output configuration. With this control register, each CMOS output or input can be reconfigured dynamically under software control. Each pin of the I/O port is directly mapped to a bit in its associated port control register.
  • Page 65 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU PCC Register BS83B12-3 · Name ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Bit 7~4 unimplemented, read as ²0² Bit 3~0 PCC: Port C bit 3~bit 0 input/output control 0: output...

  • Page 66: I/O Pin Structures

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU PFC Register BS83C24-3 · Name ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Bit 7~4 unimplemented, read as ²0² Bit 3~0 PFC: Port F bit 3~bit 0 input/output control 0: output...

  • Page 67: Timer/Event Counters

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Timer/Event Counters The provision of timers form an important part of any microcontroller, giving the designer a means of carrying out time related functions. The devices contain one 8-bit and one 16-bit timers. The 8-bit timer is a general timer.

  • Page 68: Configuring The Timer/Event Counter Input Clock Source

    Timer Control Register - TMRC, TMR0C, TMR1C The flexible features of the Holtek microcontroller Timer/Event Counters enable them to operate in three different modes, the options of which are determined by the contents of their respective control register.
  • Page 69 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU The 16-bit timer, TMR1, can operate in three different modes. To choose which of the three modes the timer is to operate in, either in the timer mode, the event counting mode or the pulse width capture mode, bits 7 and 6 of the Timer Control Register, which are known as the bit pair T1M1/T1M0, must be set to the required logic levels.

  • Page 70: 8-Bit Timer/Event Counter Operating Mode

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU TMR1C Register BS83C24-3 · Name T1M1 T1M0 T1ON T1EG PFDC ¾ ¾ ¾ ¾ ¾ ¾ Bits 7, 6 T1M1, T1M0: Timer 1 operation mode selection 00: no mode available 01: event counter mode...
  • Page 71 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Bit7 Bit6 Control Register Operating Mode Select Bits for the Timer Mode In this mode the internal clock is used as the timer clock. The timer input clock source is either the /4 or the LIRC oscillator. The timer-on bit, T1ON must be set high to enable the timer to run. Each time an internal clock high to low transition occurs, the timer increments by one;...
  • Page 72 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Pulse Width Capture Mode In this mode, the Timer/Event Counter can be utilised to measure the width of external pulses applied to the external timer pin. To operate in this mode, the Operating Mode Select bit pair, T1M1/T1M0, in the Timer Control Register must be set to the correct value as shown.

  • Page 73: Prescaler

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Prescaler Bits T0PSC0~T0PSC2 of the TMR0C or TPSC0~TPSC2 of the TMRC register can be used to define a division ratio for the internal clock source of the 8-bit Timer/Event Counter enabling longer time out periods to be setup.

  • Page 74: Timer Program Example-Timer/Event Counter 0

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU the next timer clock pulse arrives. As a result, there may be small differences in measured values requiring programmers to take this into account during programming. The same applies if the timer is configured to be in the event counting mode, which again is an external event and not synchronised with the internal system or timer clock.

  • Page 75: Touch Key Function

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Touch Key Function Each device provides multiple touch key functions. The touch key function is fully integrated and requires no external components, allowing touch key functions to be implemented by the simple manipulation of internal registers.

  • Page 76: Touch Key Register Definition

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Touch Key Register Definition Each touch key module, which contains four touch key functions, has its own suite of six registers. The following table shows the register set for each touch key module. The Mn within the register name refers to the Touch Key module number and has a range of M0 to M5.
  • Page 77 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU TKMnC0 Register Name MnMXS1 MnMXS0 Bits 7~6 MnMXS1, MnMXS0: Multiplexer Key Select Module Number MnMXS1 MnMXS0 Key 1 Key 5 Key 9 Key 13 Key 17 Key 21 Key 2 Key 6 Key 10...
  • Page 78 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Bits 3~0 I/O Pin or Touch Key Function Select MnK4IO PB3/Key 4 PB7/Key 8 PC3/Key 12 PC7/Key 16 PD3/Key 20 PD7/Key 24 I/O pin Touch Key MnK3IO PB2/Key 3 PB6/Key 7 PC2/Key 11 PC6/Key 15 PD2/Key 19 PD6/Key 23...

  • Page 79: Touch Key Operation

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU TKMnC3 Register Name MnRCOV Mn16CTOV MnROVS2 MnROVS1 MnROVS0 ¾ ¾ ¾ Bit 7~6 D7, D6: Read only bits -- unknown values Bit 5 MnRCOV: Time slot counter overflow flag 0: no overflow 1: overflow...

  • Page 80: Touch Key Interrupt

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Touch Key Interrupt Each touch key module, which consists of four touch keys, has two independent interrupts, one for each of the, 16-bit C/F counter and time slot counter. The time slot counter interrupt has its own interrupt vector while the 16-bit C/F counter interrupts are contained within the Multi-function interrupts and therefore do not have their own vector.

  • Page 81: Serial Interface Module - Sim

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Serial Interface Module - SIM These devices contain a Serial Interface Module, which includes both the four line SPI interface or the two line I C interface types, to allow an easy method of communication with external peripheral hardware.
  • Page 82 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU D a t a B u s S I M D S D I P i n T x / R x S h i f t R e g i s t e r...
  • Page 83 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU There are also two control registers for the SPI interface, SIMC0 and SIMC2. Note that the SIMC2 register also has the name SIMA which is used by the I C function. The SIMC1 register is not used by the SPI function, only by the I C function.
  • Page 84 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU SIMC2 Register Name CKPOLB CKEG CSEN WCOL Bit 7~6 Undefined bit This bit can be read or written by user software program. Bit 5 CKPOLB: Determines the base condition of the clock line 0: the SCK line will be high when the clock is inactive...
  • Page 85 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU SPI Communication After the SPI interface is enabled by setting the SIMEN bit high, then in the Master Mode, when data is written to the SIMD register, transmission/reception will begin simultaneously. When the data transfer is complete, the TRF flag will be set automatically, but must be cleared using the application program.
  • Page 86 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU S C S S C K ( C K P O L B = 1 ) S C K ( C K P O L B = 0 ) S D O D 7 / D 0...

  • Page 87: C Interface

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU C Interface The I C interface is used to communicate with external peripheral devices such as sensors, EEPROM memory etc. Originally developed by Philips, it is a two line low speed serial interface for synchronous serial data transfer.
  • Page 88 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU The debounce time of the I C interface uses the system clock to in effect add a debounce time to the external clock to reduce the possibility of glitches on the clock line causing erroneous operation. The debounce time, is 2 system clocks.
  • Page 89 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU SIMC0 Register Name SIM2 SIM1 SIM0 SIMEN ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Bit 7~5 SIM2, SIM1, SIM0: SIM Operating Mode Control 000: SPI master mode; SPI clock is f 001: SPI master mode;...
  • Page 90 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU SIMC1 Register Name HAAS TXAK IAMWU RXAK Bit 7 HCF: I C Bus data transfer completion flag 0: Data is being transferred 1: Completion of an 8-bit data transfer The HCF flag is the data transfer flag. This flag will be zero when data is being transferred.
  • Page 91 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU I2CTOC Register Name I2CTOEN I2CTOF I2CTOS5 I2CTOS4 I2CTOS3 I2CTOS2 I2CTOS1 I2CTOS0 Bit 7 I2CTOEN: I C Time-out Control 0: disable 1: enable Bit 6 I2CTOF: Time-out flag 0: no time-out 1: time-out occurred Bit 5~0...
  • Page 92 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU C Bus Communication Communication on the I C bus requires four separate steps, a START signal, a slave device address transmission, a data transmission and finally a STOP signal. When a START signal is placed on the I bus, all devices on the bus will receive this signal and be notified of the imminent arrival of data on the bus.
  • Page 93 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU S t a r t S l a v e A d d r e s s S R W A C K S C L S D A D a t a A C K...
  • Page 94 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU C Bus Slave Address Acknowledge Signal After the master has transmitted a calling address, any slave device on the I C bus, whose own internal address matches the calling address, must generate an acknowledge signal. The acknowledge signal will inform the master that a slave device has accepted its calling address.
  • Page 95 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU C Time-out Control In order to reduce the problem of I C lockup due to reception of erroneous clock sources, clock, a time-out function is provided. If the clock source to the I C is not received then after a fixed time period, the I C circuitry and registers will be reset.

  • Page 96: Interrupts

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Interrupts Interrupts are an important part of any microcontroller system. When an external event or an internal function such as a Touch Action or Timer/Event Counter overflow requires microcontroller attention, their corresponding interrupt will enforce a temporary suspension of the main program allowing the microcontroller to direct attention to their respective needs.

  • Page 97: Interrupt Register Contents

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Interrupt Register Contents BS83B08-3 Name INTEG INTS1 INTS0 ¾ ¾ ¾ ¾ ¾ ¾ INTC0 TKM1F TKM0F INTF TKM1E TKM0E INTE ¾ INTC1 MF0F SIMF MF0E SIME INTC2 ¾ ¾ ¾ ¾ ¾ ¾...
  • Page 98 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU INTEG Register -- All devices Name INTS1 INTS0 ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Bit 7~2 unimplemented, read as ²0² Bit 1~0...
  • Page 99 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU INTC1 Register -- BS83B08-3/B12-3/B16-3/B16G-3 Name MF0F SIMF MF0E SIME ¾ ¾ ¾ ¾ Bit 7 TF: Timer/Event Counter interrupt request flag 0: no request 1: interrupt request Bit 6 MF0F: Multi-function interrupt 0 request flag...
  • Page 100 MF0E: Multi-function interrupt 0 control 0: disable 1: enable Bit 1 DEE: Data EEPROM interrupt control 0: disable 1: enable Bit 0 SIME: SIM interrupt control 0: disable 1: enable INTC2 Register -- BS83B08-3 Name ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾...
  • Page 101 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU INTC2 Register -- BS83B12-3 Name TKM2F MF1F TKM2E MF1E ¾ ¾ ¾ ¾ ¾ ¾ Bit 7 unimplemented, read as ²0² Bit 6 TKM2F: Touch key Module 2 interrupt request flag 0: no request...
  • Page 102 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU INTC3 Register -- BS83C24-3 Name TKM5F TKM4F MF2F TKM5E TKM4E MF2E Bit 7 TKM5F: Touch key module 5 interrupt request flag 0: No request 1: Interrupt request Bit 6 TKM4F: Touch key module 4 interrupt request flag...
  • Page 103 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU MFI1 Register -- BS83B12-3 Name M216CTF M216CTE ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Bit 7~6 unimplemented, read as ²0² Bit 5 M216CTF: Touch key module 2 16-bit counter interrupt request flag...

  • Page 104: Interrupt Operation

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU MFI2 Register -- BS83C24-3 Name M516CTF M416CTF M516CTE M416CTE Bit 7 M516CTF: Touch key module 5 16-bit counter interrupt request flag 0: no request 1: interrupt request Bit 6 D6: Reserved bit, must not be modified.
  • Page 105 E M I M 3 1 6 C T F T K M 3 F T K M 3 E 2 C H M 3 1 6 C T E L o w Interrupt Structure -- BS83B08-3/B12-3/B16-3/B16G-3 Rev. 1.50 April 28, 2020...
  • Page 106 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU E M I a u t o d i s a b l e d i n I S R L e g e n d P r i o r i t y...

  • Page 107: External Interrupt

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU External Interrupt The external interrupt is controlled by signal transitions on the INT pin. An external interrupt request will take place when the external interrupt request flag, INTF, is set, which will occur when a transition, whose type is chosen by the edge select bits, appears on the external interrupt pin.

  • Page 108: Time Base Interrupts

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Time Base Interrupts The function of the Time Base Interrupt is to provide regular time signal in the form of an internal interrupt. It is controlled by the overflow signal from its respective timer function. When this happens its respective interrupt request flag, TBF, will be set.

  • Page 109: Timer/Event Counter Interrupt

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Timer/Event Counter Interrupt For a Timer/Event Counter interrupt to occur, the global interrupt enable bit, EMI, and the corresponding timer interrupt enable bit, TE, T0E or T1E, must first be set. An actual Timer/Event Counter interrupt will take place when the Timer/Event Counter request flag, TF, T0F or T1F, is set, a situation that will occur when the relevant Timer/Event Counter overflows.

  • Page 110: Interrupt Wake-Up Function

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Interrupt Wake-up Function Each of the interrupt functions has the capability of waking up the microcontroller when in the SLEEP or IDLE Mode. A wake-up is generated when an interrupt request flag changes from low to high and is independent of whether the interrupt is enabled or not.

  • Page 111: Application Circuits

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Application Circuits 0 . 0 1 m F * * V D D R e s e t 1 0 k W ~ C i r c u i t 1 0 0 k W 1 N 4 1 4 8 * 0 .

  • Page 112: Instruction Set

    In the case of Holtek microcontrollers, a comprehensive and flexible set of over 60 instructions is provided to enable programmers to implement their application with the minimum of programming overheads.

  • Page 113: Branches And Control Transfer

    Data Memory. To overcome this problem, Holtek microcontrollers allow an area of Program Memory to be setup as a table where data can be directly stored. A set of easy to use instructions provides the means by which this fixed data can be referenced and retrieved from the Program Memory.

  • Page 114: Instruction Set Summary

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Instruction Set Summary The following table depicts a summary of the instruction set categorised according to function and can be consulted as a basic instruction reference using the following listed conventions. Table conventions: x: Bits immediate data...
  • Page 115 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Mnemonic Description Cycles Flag Affected Bit Operation Note CLR [m].i Clear bit of Data Memory None Note SET [m].i Set bit of Data Memory None Branch JMP addr Jump unconditionally None Note SZ [m]...

  • Page 116: Instruction Definition

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Instruction Definition Add Data Memory to ACC with Carry ADC A,[m] Description The contents of the specified Data Memory, Accumulator and the carry flag are added. The result is stored in the Accumulator. Operation ACC ¬...
  • Page 117 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Subroutine call CALL addr Description Unconditionally calls a subroutine at the specified address. The Program Counter then increments by 1 to obtain the address of the next instruction which is then pushed onto the stack. The specified address is then loaded and the program continues execution from this new address.
  • Page 118 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Complement Data Memory CPL [m] Description Each bit of the specified Data Memory is logically complemented (1¢s complement). Bits which previously contained a 1 are changed to 0 and vice versa. Operation [m] ¬ [m]...
  • Page 119 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Increment Data Memory INC [m] Description Data in the specified Data Memory is incremented by 1. Operation [m] ¬ [m] + 1 Affected flag(s) Increment Data Memory with result in ACC INCA [m] Description Data in the specified Data Memory is incremented by 1.
  • Page 120 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Logical OR immediate data to ACC OR A,x Description Data in the Accumulator and the specified immediate data perform a bitwise logical OR operation. The result is stored in the Accumulator. Operation ACC ¬ ACC ²OR² x...
  • Page 121 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Rotate Data Memory left through Carry RLC [m] Description The contents of the specified Data Memory and the carry flag are rotated left by 1 bit. Bit 7 replaces the Carry bit and the original carry flag is rotated into bit 0.
  • Page 122 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Subtract Data Memory from ACC with Carry SBC A,[m] Description The contents of the specified Data Memory and the complement of the carry flag are subtracted from the Accumulator. The result is stored in the Accumulator. Note that if the result of subtraction is negative, the C flag will be cleared to 0, otherwise if the result is positive or zero, the C flag will be set to 1.
  • Page 123 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Skip if increment Data Memory is 0 SIZ [m] Description The contents of the specified Data Memory are first incremented by 1. If the result is 0, the following instruction is skipped. As this requires the insertion of a dummy instruc- tion while the next instruction is fetched, it is a two cycle instruction.
  • Page 124 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Swap nibbles of Data Memory SWAP [m] Description The low-order and high-order nibbles of the specified Data Memory are interchanged. Operation [m].3~[m].0 « [m].7 ~ [m].4 Affected flag(s) None Swap nibbles of Data Memory with result in ACC...
  • Page 125 BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Read table (last page) to TBLH and Data Memory TABRDL [m] Description The low byte of the program code (last page) addressed by the table pointer (TBLP) is moved to the specified Data Memory and the high byte moved to TBLH.

  • Page 126: Package Information

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU Package Information Note that the package information provided here is for consultation purposes only. As this information may be updated at regular intervals users are reminded to consult the Holtek website for the latest version of the Package/Carton Information.

  • Page 127: 16-Pin Nsop (150Mil) Outline Dimensions

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU 16-pin NSOP (150mil) Outline Dimensions Dimensions in inch Symbol Min. Nom. Max. 0.236 BSC ¾ ¾ 0.154 BSC ¾ ¾ 0.012 0.020 ¾ 0.390 BSC C¢ ¾ ¾ 0.069 ¾ ¾ 0.050 BSC ¾...

  • Page 128: 16-Pin Ssop (150Mil) Outline Dimensions

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU 16-pin SSOP (150mil) Outline Dimensions Dimensions in inch Symbol Min. Nom. Max. 0.236 BSC ¾ ¾ 0.154 BSC ¾ ¾ 0.008 0.012 ¾ 0.193 BSC C¢ ¾ ¾ 0.069 ¾ ¾ 0.025 BSC ¾...

  • Page 129: 20-Pin Sop (300Mil) Outline Dimensions

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU 20-pin SOP (300mil) Outline Dimensions Dimensions in inch Symbol Min. Nom. Max. 0.406 BSC ¾ ¾ 0.295 BSC ¾ ¾ 0.012 0.020 ¾ 0.504 BSC C¢ ¾ ¾ 0.104 ¾ ¾ 0.050 BSC ¾...

  • Page 130: 20-Pin Ssop (150Mil) Outline Dimensions

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU 20-pin SSOP (150mil) Outline Dimensions Dimensions in inch Symbol Min. Nom. Max. 0.236 BSC ¾ ¾ 0.155 BSC ¾ ¾ 0.008 0.012 ¾ 0.341 BSC C¢ ¾ ¾ 0.069 ¾ ¾ 0.025 BSC ¾...

  • Page 131: 24-Pin Sop (300Mil) Outline Dimensions

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU 24-pin SOP (300mil) Outline Dimensions Dimensions in inch Symbol Min. Nom. Max. 0.406 BSC ¾ ¾ 0.295 BSC ¾ ¾ 0.012 0.020 ¾ 0.606 BSC C¢ ¾ ¾ 0.104 ¾ ¾ 0.050 BSC ¾...

  • Page 132: 24-Pin Ssop (150Mil) Outline Dimensions

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU 24-pin SSOP (150mil) Outline Dimensions Dimensions in inch Symbol Min. Nom. Max. 0.236 BSC ¾ ¾ 0.154 BSC ¾ ¾ 0.008 0.012 ¾ 0.341 BSC C¢ ¾ ¾ 0.069 ¾ ¾ 0.025 BSC ¾...

  • Page 133: 28-Pin Sop (300Mil) Outline Dimensions

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU 28-pin SOP (300mil) Outline Dimensions Dimensions in inch Symbol Min. Nom. Max. 0.406 BSC ¾ ¾ 0.295 BSC ¾ ¾ 0.012 0.020 ¾ 0.705 BSC C¢ ¾ ¾ 0.104 ¾ ¾ 0.050 BSC ¾...

  • Page 134: 28-Pin Ssop (150Mil) Outline Dimensions

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU 28-pin SSOP (150mil) Outline Dimensions Dimensions in inch Symbol Min. Nom. Max. 0.236 BSC ¾ ¾ 0.154 BSC ¾ ¾ 0.008 0.012 ¾ 0.390 BSC C¢ ¾ ¾ 0.069 ¾ ¾ 0.025 BSC ¾...

  • Page 135: 44-Pin Lqfp (10Mm´10Mm) (Fp2.0Mm) Outline Dimensions

    BS83B08-3/B12-3/B16-3/B16G-3/C24-3 8-Bit Touch Key Flash MCU 44-pin LQFP (10mm´10mm) (FP2.0mm) Outline Dimensions Dimensions in inch Symbol Min. Nom. Max. 0.472 BSC ¾ ¾ 0.394 BSC ¾ ¾ 0.472 BSC ¾ ¾ 0.394 BSC ¾ ¾ 0.032 BSC ¾ ¾ 0.012 0.015...
  • Page 136 Holtek¢s products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification.

This manual is also suitable for:

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