A/D MCU. HT66F3197 Datasheet

HT66F3197 MCU. Datasheet pdf. Equivalent

HT66F3197 Datasheet
Recommendation HT66F3197 Datasheet
Part HT66F3197
Description Enhanced A/D MCU
Feature HT66F3197; Enhanced A/D MCU with EEPROM and UART HT66F3197 Revision: V1.10 Date: November 24, 2016 HT66F3197 E.
Manufacture Holtek Semiconductor
Datasheet
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Holtek Semiconductor HT66F3197
Enhanced A/D MCU with EEPROM and UART
HT66F3197
Revision: V1.10 Date: November 24, 2016



Holtek Semiconductor HT66F3197
HT66F3197
Enhanced A/D MCU with EEPROM and UART
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 6
General Description.......................................................................................... 7
Block Diagram................................................................................................... 7
Pin Assignment................................................................................................. 8
Pin Description................................................................................................. 9
Absolute Maximum Ratings........................................................................... 13
D.C. Characteristics........................................................................................ 13
A.C. Characteristics........................................................................................ 15
A/D Converter Electrical Characteristics...................................................... 18
LVD & LVR Electrical Characteristics........................................................... 20
Comparator Electrical Characteristics......................................................... 21
LCD Electrical Characteristics...................................................................... 23
Power on Reset Characteristics.................................................................... 23
System Architecture....................................................................................... 24
Clocking and Pipelining.......................................................................................................... 24
Program Counter.................................................................................................................... 25
Stack...................................................................................................................................... 26
Arithmetic and Logic Unit – ALU............................................................................................ 26
Flash Program Memory.................................................................................. 27
Structure................................................................................................................................. 27
Special Vectors...................................................................................................................... 27
Look-up Table......................................................................................................................... 27
Table Program Example......................................................................................................... 28
In Circuit Programming – ICP................................................................................................ 29
On-Chip Debug Support – OCDS.......................................................................................... 30
Data Memory................................................................................................... 31
Structure................................................................................................................................. 31
Data Memory Addressing....................................................................................................... 32
General Purpose Data Memory............................................................................................. 32
Special Purpose Data Memory.............................................................................................. 32
Special Function Register Description......................................................... 34
Indirect Addressing Registers – IAR0, IAR1, IAR2................................................................ 34
Memory Pointers – MP0, MP1L/MP1H, MP2L/MP2H............................................................ 34
Accumulator – ACC................................................................................................................ 36
Program Counter Low Register – PCL................................................................................... 36
Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 36
Status Register – STATUS..................................................................................................... 36
Rev. 1.10
2 November 24, 2016



Holtek Semiconductor HT66F3197
HT66F3197
Enhanced A/D MCU with EEPROM and UART
EEPROM Data Memory................................................................................... 38
EEPROM Data Memory Structure......................................................................................... 38
EEPROM Registers............................................................................................................... 38
Reading Data from the EEPROM ......................................................................................... 40
Writing Data to the EEPROM................................................................................................. 40
Write Protection...................................................................................................................... 40
EEPROM Interrupt................................................................................................................. 40
Programming Considerations................................................................................................. 41
Oscillators....................................................................................................... 42
Oscillator Overview................................................................................................................ 42
System Clock Configurations ................................................................................................ 42
External Crystal/Ceramic Oscillator – HXT............................................................................ 43
Internal RC Oscillator – HIRC................................................................................................ 44
External 32.768kHz Crystal Oscillator – LXT......................................................................... 44
Internal 32kHz Oscillator – LIRC ........................................................................................... 45
Supplementary Oscillators .................................................................................................... 45
Operating Modes and System Clocks.......................................................... 46
System Clocks....................................................................................................................... 46
System Operation Modes....................................................................................................... 47
Control Register..................................................................................................................... 48
Operating Mode Switching .................................................................................................... 51
Standby Current Considerations ........................................................................................... 55
Wake-up................................................................................................................................. 55
Programming Considerations ................................................................................................ 56
Watchdog Timer.............................................................................................. 57
Watchdog Timer Clock Source............................................................................................... 57
Watchdog Timer Control Register.......................................................................................... 57
Watchdog Timer Operation.................................................................................................... 58
Reset and Initialisation................................................................................... 59
Reset Functions..................................................................................................................... 59
Reset Initial Conditions ......................................................................................................... 62
Input/Output Ports ......................................................................................... 66
Pull-high Resistors................................................................................................................. 67
Port A Wake-up...................................................................................................................... 68
I/O Port Control Registers...................................................................................................... 68
I/O Port Source Current Control............................................................................................. 69
Pin-shared Functions............................................................................................................. 71
I/O Pin Structures................................................................................................................... 79
Programming Considerations ................................................................................................ 79
Timer Modules – TM....................................................................................... 80
Introduction............................................................................................................................ 80
TM Operation......................................................................................................................... 80
TM Clock Source.................................................................................................................... 80
TM Interrupts.......................................................................................................................... 81
Rev. 1.10
3 November 24, 2016





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