HOLTEK HT45F23A Manuals

HOLTEK HT45F23A Manuals

Manuals and User Guides for HOLTEK HT45F23A. We have 1 HOLTEK HT45F23A manual available for free PDF download: Manual

HOLTEK HT45F23A Manual

HOLTEK HT45F23A Manual (156 pages)

TinyPower Flash MCU with OPA & Comparators

Brand: HOLTEK | Category: Microcontrollers | Size: 3 MB

Table of Contents

Table of Contents
2
Features

7
- CPU Features
  7
- Peripheral Features
  8
General Description

9
Selection Table

9
Block Diagram

10
Pin Assignment

10
Pin Description

11
Absolute Maximum Ratings

13
D.C. Characteristics

13
A.C. Characteristics

16
OP Amplifier Electrical Characteristics

17
Comparator Electrical Characteristics

17
Ldo 2.4V

17
Ldo 3.3V

18
Power-On Reset Characteristics

18
System Architecture

19
- Clocking and Pipelining
  19
- Program Counter
  20
- Stack
  21
- Arithmetic and Logic Unit - ALU
  21
Flash Program Memory

22
- Structure
  22
- Special Vectors
  22
- Look-Up Table
  23
- In Circuit Programming
  25
RAM Data Memory

26
- Structure
  27
Special Function Registers

27
EEPROM Data Memory

32
- EEPROM Data Memory Structure
  32
- EEPROM Registers
  32
- Reading Data from the EEPROM
  34
- Writing Data to the EEPROM
  34
- Write Protection
  34
- EEPROM Interrupt
  34
- Programming Considerations
  35
- Programming Examples
  35
Oscillator

36
Operating Modes and System Clocks

41
- System Clocks
  41
- System Operation Modes
  41
- Control Register
  44
- Fast Wake-Up
  45
- Operating Mode Switching and Wake-Up
  46
- Standby Current Considerations
  50
- Wake-Up
  51
- Programming Considerations
  51
Watchdog Timer

52
Reset and Initialisation

54
- Reset Functions
  54
- Reset Initial Conditions
  57
Input/Output Ports

60
- Pull-High Resistors
  60
- Port a Wake-Up
  60
- I/O Port Control Registers
  60
- I/O Pin Structures
  62
- Programming Considerations
  62
Timer/Event Counters

64
Pulse Width Modulator

74
- PWM Operation
  74
- 6+2 PWM Mode
  75
- 7+1 PWM Mode
  76
- PWM Output Control
  77
Analog to Digital Converter

78
- A/D Overview
  78
- A/D Converter Register Description
  79
- A/D Converter Data Registers - ADRL, ADRH
  79
- A/D Converter Control Registers - ADCR, ACSR, ADPCR
  79
- A/D Operation
  83
- A/D Input Pins
  84
- Summary of A/D Conversion Steps
  85
- Programming Considerations
  86
- A/D Transfer Function
  86
- A/D Programming Example
  87
Serial Interface Module - SIM

89
- SPI Interface
  89
- SPI Registers
  90
- SPI Communication
  93
- I 2 C Interface
  95
- I 2 C Registers
  96
- I 2 C Bus Communication
  100
- I 2 C Bus Start Signal
  101
- I 2 C Bus Read/Write Signal
  102
- I 2 C Bus Slave Address Acknowledge Signal
  102
- I 2 C Bus Data and Acknowledge Signal
  102
Peripheral Clock Output

104
- Peripheral Clock Operation
  104
SCOM Function for LCD

105
- LCD Operation
  105
- LCD Bias Control
  105
- LDO Function
  107
Operational Amplifiers

109
Comparators

116
- Comparator Operation
  116
- Comparator Registers
  116
- Comparator Functions
  118
Interrupts

121
- Interrupt Register
  121
- Interrupt Operation
  121
- Interrupt Priority
  122
- External Interrupt
  125
- External Peripheral Interrupt
  127
- Timer/Event Counter Interrupt
  127
- SPI/I 2 C Interface Interrupt
  128
- Multi-Function Interrupt
  128
- A/D Interrupt
  128
- Time Base Interrupt
  129
- Comparator Interrupt
  130
- EEPROM Interrupt
  130
- LVD Interrupt
  130
- Interrupt Wake-Up Function
  130
- Programming Considerations
  131
Buzzer

131
Low Voltage Detector - LVD

133
- LVD Register
  133
- LVD Operation
  134
Voice Output

135
- Voice Control
  135
- Audio Output and Volume Control - DAL, DAH, DACTRL
  135
Configuration Options

136
Application Circuits

137
Instruction Set

138
- Introduction
  138
- Instruction Timing
  138
- Moving and Transferring Data
  138
- Arithmetic Operations
  138
- Logical and Rotate Operation
  139
- Branches and Control Transfer
  139
- Bit Operations
  139
- Other Operations
  139
Instruction Set Summary

140
Instruction Definition

142
Package Information

151

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