Holtek HT66F0175 User Manual

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A/D Flash MCU with EEPROM

HT66F0175/HT66F0185

Revision: V1.50 Date: August 28, 2017August 28, 2017

Table of Contents

Default Chapter1
- 0-Pin SOP (300Mil) O�Tline Dimensions1
- Table of Contents2
- TM Inp�T/O�Tp�T Pin Control Re�Ister3
- 4-Pin SOP (300Mil) O�Tline Dimensions3
- 4-Pin SSOP (150Mil) O�Tline Dimensions4
- Pro�Rammin� Considerations5
- Pin SOP (300Mil) O�Tline Dimensions5
- Pin SSOP (150Mil) O�Tline Dimensions6
- Rithmetic and Lo�IC Unit6
Features7
- CPU Feat�Res7
General Description8
Selection Table8
Block Diagram9
Pin Assignment9
Pin Descriptions11
Absolute Maximum Ratings17
D.C. Characteristics17
A.C. Characteristics19
HIRC Electrical Characteristics20
A/D Converter Electrical Characteristics21
LVD/LVR Electrical Characteristics22
Comparator Electrical Characteristics22
Software Controlled LCD Driver Electrical Characteristics23
Power-On Reset Characteristics23
System Architecture24
- Clockin� and Pipelinin24
- Pro�Ram Co�Nter26
- Stack26
Flash Program Memory27
- Special Vectors27
- Look-�P Table27
- In Circ�It Pro�Rammin� - ICP29
- On-Chip Deb�� S�Pport Data/�Ddress Inp�T/O�Tp�T30
Data Memory31
- Str�Ct�Re31
Special Function Register Description33
- Indirect �Ddressin� Re�Isters - I�R0� I�R133
- Memory Pointers - MP0, MP133
- Bank Pointer - BP34
- CC�M�Lator - �CC34
- Pro�Ram Co�Nter Low Re�Ister - PCL34
- Look-�P Table Re�Isters - TBLP� TBHP� TBLH34
- Stat�S Re�Ister - ST�TUS35
EEPROM Data Memory37
- Readin� Data from the EEPROM39
- Writin� Data to the EEPROM39
- Write Protection39
- EEPROM Interr�Pt39
- Pro�Rammin� Considerations40
Oscillator41
- Oscillator Overview41
- System Clock Configurations41
- External Crystal/Ceramic Oscillator - HXT42
- Internal Hi�H Speed RC Oscillator - HIRC43
- External 3�.�6� Khz Crystal Oscillator - LXT43
- Internal 3�Khz Oscillator - LIRC44
- S�Pplementary Oscillators44
Operating Modes and System Clocks45
- System Clocks45
- System Operation Modes46
- Fast Wake-�P49
- Operatin� Mode Switchin50
- Standby C�Rrent Considerations54
- Wake-�P54
- Pro�Rammin� Considerations55
Watchdog Timer55
- Watchdo� Timer Clock So�Rce55
- Watchdo� Timer Control Re�Ister55
- Watchdo� Timer Operation57
Reset and Initialisation58
- Reset F�Nctions58
- Reset Initial Conditions60
Input/Output Ports64
- P�Ll-Hi�H Resistors65
- Port � Wake-�P65
- I/O Port Control Re�Isters66
- I/O Port So�Rce C�Rrent Control66
- I/O Pin Str�Ct�Res69
Timer Modules - TM71
- Introd�Ction71
- TM Operation71
- TM External Pins72
Compact Type TM - CTM76
- Compact TM Operation76
- Compact Type TM Operation Modes81
Standard Type TM - STM87
- Standard TM Operation87
- Standard Type TM Operation Modes92
Periodic Type TM - PTM102
- Periodic TM Operation102
- Periodic Type TM Re�Ister Description103
- Periodic Type TM Operation Modes108
Analog to Digital Converter117
- D Overview117
- D Reference Volta117
- D Operation124
- Conversion Rate and Timin� Dia�Ram125
- S�Mmary of �/D Conversion Steps126
Serial Interface Module - SIM130
- SPI Interface130
- SPI Re�Isters131
- SPI Comm�Nication134
- I C Interface136
- I � C B�S Comm�Nication141
- I � C Time-O�T Control144
Comparators146
- Comparator Operation146
- Comparator Interr�Pt146
- Pro�Rammin� Considerations146
SCOM/SSEG Function for LCD148
- LCD Operation148
- LCD Control Re�Isters150
UART Interface155
- Ba�D Rate Generator155
- U�RT External Pin156
- U�RT Data Transfer Scheme156
- U�RT Stat�S and Control Re�Isters156
- U�RT Set�P and Control163
- U�RT Transmitter164
- U�RT Receiver165
- U�RT Power down and Wake-�P169
Low Voltage Detector - LVD170
- LVD Operation171
Interrupts181
- External Interr181
- LVD Interr184
- EEPROM Interr184
- TM Interr184
Configuration Options186
Application Circuits186
Instruction Set187
- Rithmetic Operations187
- Branches and Control Transfer188
- Bit Operations188
- Other Operations188
Instruction Set Summary189
Instruction Definition191
Package Information200

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Holtek HT66F0175 Specifications

General

Brand	Holtek
Model	HT66F0175
Category	Storage
Language	English