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Epson S1C60N03 Technical Manual

Cmos 4-bit single chip microcomputer
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MF1045 - 03
CMOS 4 - BIT SINGLE CHIP MICROCOMPUTER
S1C60N03
Technical Manual
S1C60N03 Technical Hardware

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Summary of Contents for Epson S1C60N03

  • Page 1 MF1045 - 03 CMOS 4 - BIT SINGLE CHIP MICROCOMPUTER S1C60N03 Technical Manual S1C60N03 Technical Hardware...
  • Page 2 No part of this material may be reproduced or duplicated in any form or by any means without the written permission of Seiko Epson. Seiko Epson reserves the right to make changes to this material without notice. Seiko Epson does not assume any...
  • Page 3 The information of the product number change Starting April 1, 2001, the product number will be changed as listed below. To order from April 1, 2001 please use the new product number. For further information, please contact Epson sales representative.

  • Page 5: Table Of Contents

    4.5 LCD Driver (COM0–COM3, SEG0–SEG14) ..........19 4.5.1 Configuration of LCD driver ..............19 4.5.2 Cadence adjustment of oscillation frequency ........... 24 4.5.3 Mask option ....................25 4.5.4 I/O memory of LCD driver ................ 26 4.5.5 Programming note ..................26 EPSON S1C60N03 TECHNICAL MANUAL...
  • Page 6 6.2 Recommended Operating Conditions ............36 6.3 DC Characteristics ..................37 6.4 Analog Circuit Characteristics and Current Consumption ......38 6.5 Oscillation Characteristics ................40 _________________________ 41 CHAPTER ERAMIC ACKAGE FOR AMPLES _________________________________ 42 CHAPTER RECAUTIONS ON OUNTING EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 7: Chapter Ntroduction

    CHAPTER NTRODUCTION The S1C60N03 Series single-chip microcomputer features an S1C6200B CMOS 4-bit CPU as the core. It contains a 768 (words) × 12 (bits) ROM, 64 (words) × 4 (bits) RAM, LCD driver , 4-bit input port (K00– K03), 4-bit output port (R00–R03) and a timer.

  • Page 8: Block Diagram

    R01 (BUZZER) COM0–3 LCD Driver R02, R03 15 SEG × 4 COM SEG0–14 FOUT & Buzzer CA, CB Power Controller Clock Timer ∗1: Terminal specifications can be selected by mask option. Fig. 1.2.1 S1C60N03 block diagram EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 9: Pad Layout

    LCD segment output or DC output terminal * COM0–3 17–20 LCD common output terminal (1/4, 1/3 or 1/2 duty are selectable *) RESET Initial reset input terminal TEST Test input terminal ∗ Can be selected by mask option EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 10: Chapter Power Supply And Initial Reset

    The voltage doubler/halver is not used. In the S1C60N03, this selection can reduce the external component count. When 1/2 bias (B) is selected in the S1C60N03, the voltage halver is used to generate V and V and the power divider is disconnected.
  • Page 11 V –V are shorted internally. Note: –V and V –V are shorted internally. Fig. 2.1.2 Power circuit configuration of S1C60N03 S1C60L03 3 V LCD Panel 1/4, 1/3 or 1/2 duty, 1/3 bias = 1/3·V Voltage 1.5 V doubler = 2/3·V = 2·V...

  • Page 12: Initial Reset

    CHAPTER 2: POWER SUPPLY AND INITIAL RESET 2.2 Initial Reset To initialize the S1C60N03 Series circuits, an initial reset must be executed. There are three ways of doing this. (1) Initial reset by the oscillation detection circuit (Note) (2) External initial reset via the RESET terminal (3) External initial reset by simultaneous high input to K00–K03 (depending on mask option)

  • Page 13: Internal Register Following Initialization

    16 × 4 Display memory Undefined ∗ Other peripheral circuits – ∗ See Section 4.1, "Memory Map". 2.3 Test Terminal (TEST) This terminal is used when IC is inspected for shipment. During normal operation connect it to V EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 14: Cpu, Rom, Ram

    Note the following points with regard to the S1C60N03 Series: (1) Since the S1C60N03 Series don't provides the SLEEP function, the SLP instruction can not be used. (2) Because the ROM capacity is 768 words, 12 bits per word, bank bits are unnecessary, and PCB and NBP are not used.

  • Page 15: Peripheral Circuits And Operation

    4.1 Memory Map The data memory of the S1C60N03 Series has an address space of 89 words, of which 16 words are allocated to display memory and 9 words, to I/O memory. Figure 4.1.1 show the overall memory map for the S1C60N03 Series, and Table 4.1.1, the memory maps for the peripheral circuits (I/O space).
  • Page 16 ∗3 ∗2 – – – Unused CSDC Static Dynamic LCD drive switch ∗1 ∗3 Initial value at initial reset Always "0" being read ∗2 ∗4 Not set in the circuit Reset (0) immediately after being read EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 17: Oscillation Circuit

    CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Oscillation Circuit) 4.2 Oscillation Circuit The S1C60N03 Series has a built-in oscillation circuit that generates the operating clock of the CPU and the peripheral circuit. Either crystal oscillation or CR oscillation can be selected for the oscillation circuit by mask option.

  • Page 18: Input Ports (K00-K03)

    4.3 Input Ports (K00–K03) 4.3.1 Configuration of input port The S1C60N03 Series has a 4-bit general-purpose input port. Each of the input port terminals (K00–K03) has an internal pull-down resistor. The pull-down resistor can be selected for each bit with the mask option.

  • Page 19: Mask Option

    The mask option enables selection of the noise rejection circuit for each separate terminal series. When "use" is selected, a maximum delay of 0.5 msec (fosc = 32 kHz) occurs from the time an interrupt condition is established until the interrupt factor flag (IK0) is set to 1. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 20: I/O Memory Of Input Port

    When modifying the input port from high level to low level with pull-down resistor, a delay will occur at the fall of the waveform due to time constant of the pull-down resistor and input gate capacities. Provide appropriate waiting time in the program when performing input port reading. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 21: Output Ports (R00-R03)

    4.4 Output Ports (R00–R03) 4.4.1 Configuration of output port The S1C60N03 Series has a 4-bit general output port (R00–R03). Output specification of the output port can be selected in a bit units with the mask option. Two kinds of output specifications are available: complementary output and Pch open drain output. Also, the mask option enables the output ports R00 and R01 to be used as special output ports.
  • Page 22 The BUZZER signal is controlled by the R00 register and the BUZZER signal is controlled by the R01 register. The frequency of buzzer output may be selected by software to be either 2 kHz or 4 kHz. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 23: I/O Memory Of Output Port

    XFOUT0, XFOUT1: FOUT frequency control (0F7H•D0, D1) Selects the output frequency when the R00 port is set for FOUT output. Table 4.4.3.2 FOUT frequency selection XFOUT1 XFOUT0 Frequency selected After an initial reset, these registers are set to 0. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 24: Programming Note

    When 1 is written to this register, the frequency is set in 2 kHz, and in 4 kHz when 0 is written. After an initial reset, this register is set to 0. 4.4.4 Programming note The buzzer or FOUT signal may produce hazards when the output ports R00 and R01 are turned on or off. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 25: Lcd Driver (Com0-Com3, Seg0-Seg14)

    4.5.1 Configuration of LCD driver The S1C60N03 Series has four common terminals and 15 (SEG0–SEG14) segment terminals, so that an LCD with a maximum of 60 (15 × 4) segments can be driven. The power for driving the LCD is generated by the CPU internal circuit, so there is no need to supply power externally.
  • Page 26 CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver) LCD status COM0 COM0 COM1 COM2 COM1 COM3 COM2 SEG0–14 COM3 SEG0 –SEG14 Frame frequency Fig. 4.5.1.1 Drive waveform for 1/4 duty (1/3 bias) EPSON S1C60N03 TECHNICAL MANUAL...
  • Page 27 COM3 SEG0 –SEG14 Frame frequency Fig. 4.5.1.2 Drive waveform for 1/3 duty (1/3 bias) LCD status COM0 COM0 COM1 COM1 SEG0–14 COM2 COM3 SEG0 –SEG14 Frame frequency Fig. 4.5.1.3 Drive waveform for 1/2 duty (1/3 bias) EPSON S1C60N03 TECHNICAL MANUAL...
  • Page 28 CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver) LCD lighting status COM0 COM0 L1, L2 COM1 COM2 COM1 COM3 SEG0–14 COM2 COM3 L1, L2 0–14 Frame frequency Fig. 4.5.1.4 Drive waveform for 1/4 duty (1/2 bias) EPSON S1C60N03 TECHNICAL MANUAL...
  • Page 29 Frame frequency Fig. 4.5.1.5 Drive waveform for 1/3 duty (1/2 bias) LCD lighting status COM0 COM0 L1, L2 COM1 COM1 SEG0–14 COM2 COM3 L1, L2 0–14 Frame frequency Fig. 4.5.1.6 Drive waveform for 1/2 duty (1/2 bias) EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 30: Cadence Adjustment Of Oscillation Frequency

    CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (LCD Driver) 4.5.2 Cadence adjustment of oscillation frequency In the S1C60N03 Series, the LCD drive duty can be set to 1/1 duty by software. This function enables easy adjustment (cadence adjustment) of the oscillation frequency of the oscillation circuit.

  • Page 31: Mask Option

    Note: The terminal pairs are the combination of SEG (2 ∗ n) and SEG (2 ∗ n + 1) (where n is an integer from 0 to 6). (4) Drive bias For the drive bias, either 1/3 bias or 1/2 bias can be selected by the mask option. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 32: I/O Memory Of Lcd Driver

    Because the display memory is for writing only, re-writing the contents with computing instructions (e.g., AND, OR, etc.) which come with read-out operations is not possible. To perform bit operations, a buffer to hold the display data is required on the RAM. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 33: Clock Timer

    4.6.1 Configuration of clock timer The S1C60N03 Series has a built-in clock timer that uses the oscillation circuit as the clock source. The clock timer is configured as a 7-bit binary counter that counts with a 256 Hz source clock from the divider.

  • Page 34: Mask Option

    Be very careful when interrupt factor flags are in the same address. At initial reset, these flags are set to 0. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 35: Programming Notes

    If the interrupt mask register value corresponding to the interrupt factor flag to be read is set to 1, an interrupt request will be generated by the interrupt factor flag set timing, or an interrupt request will not be generated. Be very careful when interrupt factor flags are in the same address. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 36: Interrupt And Halt

    CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Interrupt and HALT) 4.7 Interrupt and HALT The S1C60N03 Series provides the following interrupt settings, each of which is maskable. External interrupt: Input port interrupt (one) Internal interrupt: Timer interrupt (one) To enable interrupts, the interrupt flag must be set to 1 (EI) and the necessary related interrupt mask registers must be set to 1 (enable).

  • Page 37: Interrupt Factors

    Interrupt mask register Interrupt factor flag EIT2 (0F4H•D2) (0F6H•D2) EIT16 (0F4H•D1) IT16 (0F6H•D1) EIT32 (0F4H•D0) IT32 (0F6H•D0) EIK03* (0F3H•D3) EIK02* (0F3H•D2) (0F5H•D0) EIK01* (0F3H•D1) EIK00* (0F3H•D0) ∗ There is an interrupt mask register for each input port terminal. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 38: Interrupt Vectors

    Reset (0) immediately after being read EIT32, EIT16, EIT2: Interrupt mask registers (0F4H•D0–D2) IT32, IT16, IT2: Interrupt factor flags (0F6H•D0–D2) ...See Section 4.6, "Clock Timer". EIK00–EIK03: Interrupt mask registers (0F3H) IK0: Interrupt factor flag (0F5H•D0) ...See Section 4.3, "Input Ports". EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 39: Programming Notes

    If the interrupt mask register value corresponding to the interrupt factor flag to be read is set to 1, an interrupt request will be generated by the interrupt factor flag set timing, or an interrupt request will not be generated. Be very careful when interrupt factor flags are in the same address. EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 40: Basic External Wiring Diagram

    Note: Use a 1 µF capacitor for C and C when "S1C60L03 1/3 bias" is selected, or a 0.1 µF capacitor when "S1C60N03 1/2 bias" or "S1C60L03 1/2 bias (A), (B)" is selected. No capacitor is required for C and C when another specification is selected.
  • Page 41 Note: Use a 1 µF capacitor for C and C when "S1C60L03 1/3 bias" is selected, or a 0.1 µF capacitor when "S1C60N03 1/2 bias" or "S1C60L03 1/2 bias (A), (B)" is selected. No capacitor is required for C and C when another specification is selected.

  • Page 42: Chapter Electrical Characteristics

    S1C60L03 ( Ta=-20 to 70°C ) Item Symbol Condition Min. Typ. Max. Unit Supply voltage -2.0 -1.5 -1.2 Oscillation frequency Crystal oscillation 32.768 CR oscillation, R =470kΩ µF Booster capacitor µF Capacitor betwen V and V EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 43: Dc Characteristics

    R00, R01 (with protection resistor) µA Common output current =-0.05V COM0–3 µA +0.05V µA Segment output current =-0.05V SEG0–14 µA (during LCD output) +0.05V µA Segment output current =0.1·V SEG0–14 -100 µA (during DC output) =0.9·V EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 44: Analog Circuit Characteristics And Current Consumption

    CHAPTER 6: ELECTRICAL CHARACTERISTICS 6.4 Analog Circuit Characteristics and Current Consumption S1C60N03 (Crystal Oscillation) Unless otherwise specified: =0V, V =-3.0V, f =32.768kHz, Ta=25°C, C =25pF, V is internal voltage, C =0.1µF Item Symbol Condition Min. Typ. Max. Unit LCD drive voltage Connect 1 MΩ...
  • Page 45 CHAPTER 6: ELECTRICAL CHARACTERISTICS S1C60N03 (CR Oscillation) Unless otherwise specified: =0V, V =-3.0V, f =65kHz, Ta=25°C, R =470kΩ, V is internal voltage, C =0.1µF Item Symbol Condition Min. Typ. Max. Unit LCD drive voltage Connect 1 MΩ load resistor between V 1/3·V...

  • Page 46: Oscillation Characteristics

    CHAPTER 6: ELECTRICAL CHARACTERISTICS 6.5 Oscillation Characteristics Oscillation characteristics will vary according to different conditions (elements used, board pattern). Use the following characteristics are as reference values. S1C60N03 Crystal Oscillation Unless otherwise specified: =0V, V =-3.0V, f =32.768kHz, Crystal: Q13MC146, C =25pF, C =built-in, Ta=25°C...

  • Page 47: Ceramic Package For Test Samples

    CHAPTER 7: CERAMIC PACKAGE FOR TEST SAMPLES CHAPTER ERAMIC ACKAGE FOR AMPLES 81.3 64 63 34 33 PIN NO. 1 2 31 32 INDEX MARK 2.54 78.7 (Unit: mm) EPSON S1C60N03 TECHNICAL MANUAL...

  • Page 48: Chapter Precautions On Mounting

    Bypass capacitor connection example (3) Components which are connected to the V terminal, such as a capacitor, should be connected in the shortest line. EPSON S1C60N03 TECHNICAL MANUAL...
  • Page 49 (1) Design the product and implement the IC on the board so that it is shielded from visible radiation in actual use. (2) The inspection process of the product needs an environment that shields the IC from visible radiation. (3) As well as the face of the IC, shield the back and side too. EPSON S1C60N03 TECHNICAL MANUAL...
  • Page 50 Central Phone: +852-2585-4600 Fax: +852-2827-4346 101 Virginia Street, Suite 290 Telex: 65542 EPSCO HX Crystal Lake, IL 60014, U.S.A. EPSON TAIWAN TECHNOLOGY & TRADING LTD. Phone: +1-815-455-7630 Fax: +1-815-455-7633 10F, No. 287, Nanking East Road, Sec. 3 Northeast Taipei 301 Edgewater Place, Suite 120...
  • Page 51 In pursuit of “Saving” Technology, Epson electronic devices. Our lineup of semiconductors, liquid crystal displays and quartz devices assists in creating the products of our customers’ dreams. Epson IS energy savings.
  • Page 52 S1C60N03 Technical Manual ELECTRONIC DEVICES MARKETING DIVISION EPSON Electronic Devices Website http://www.epson.co.jp/device/ First issue December, 1997 Printed February, 2001 in Japan...

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