Flash MCU. HT66F002 Datasheet

HT66F002 MCU. Datasheet pdf. Equivalent

HT66F002 Datasheet
Recommendation HT66F002 Datasheet
Part HT66F002
Description Cost-Effective A/D Flash MCU
Feature HT66F002; Cost-Effective A/D Flash MCU with EEPROM HT66F002/HT66F0025/HT66F003/HT66F004 Revision: V2.10 Date: .
Manufacture Holtek Semiconductor
Datasheet
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Holtek Semiconductor HT66F002
Cost-Effective A/D Flash MCU with EEPROM
HT66F002/HT66F0025/HT66F003/HT66F004
Revision: V2.10 Date: November 19, 2019



Holtek Semiconductor HT66F002
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
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............................................................................................... 10
Absolute Maximum Ratings.......................................................................... 14
D.C. Characteristics....................................................................................... 15
A.C. Characteristics....................................................................................... 16
A/D Converter Electrical Characteristics..................................................... 16
OPA Electrical Characteristics...................................................................... 17
LVR Electrical Characteristics...................................................................... 17
LCD Electrical Characteristics – HT66F004................................................. 17
Power on Reset Electrical Characteristics.................................................. 18
System Architecture....................................................................................... 18
Clocking and Pipelining.......................................................................................................... 18
Program Counter.................................................................................................................... 19
Stack...................................................................................................................................... 20
Arithmetic and Logic Unit – ALU............................................................................................ 20
Flash Program Memory................................................................................. 21
Structure................................................................................................................................. 21
Special Vectors...................................................................................................................... 21
Look-up Table......................................................................................................................... 21
Table Program Example......................................................................................................... 22
In Circuit Programming – ICP................................................................................................ 23
On-Chip Debug Support – OCDS.......................................................................................... 23
RAM Data Memory.......................................................................................... 24
Structure................................................................................................................................. 24
General Purpose Data Memory............................................................................................. 24
Special Purpose Data Memory.............................................................................................. 24
Special Function Register Description........................................................ 28
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 28
Memory Pointers – MP0, MP1............................................................................................... 28
Bank Pointer – BP.................................................................................................................. 29
Accumulator – ACC................................................................................................................ 29
Program Counter Low Register – PCL................................................................................... 29
Look-up Table Registers – TBLP, TBLH................................................................................. 29
Rev. 2.10
2 November 19, 2019



Holtek Semiconductor HT66F002
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
Status Register – STATUS..................................................................................................... 30
EEPROM Data Memory.................................................................................. 31
EEPROM Data Memory Structure......................................................................................... 31
EEPROM Registers............................................................................................................... 32
Reading Data from the EEPROM ......................................................................................... 33
Writing Data to the EEPROM................................................................................................. 34
Write Protection...................................................................................................................... 34
EEPROM Interrupt................................................................................................................. 34
Programming Considerations................................................................................................. 35
Oscillator......................................................................................................... 36
Oscillator Overview................................................................................................................ 36
System Clock Configurations................................................................................................. 36
Internal RC Oscillator – HIRC................................................................................................ 37
Internal 32kHz Oscillator – LIRC............................................................................................ 37
Supplementary Oscillator....................................................................................................... 37
Operating Modes and System Clocks.......................................................... 37
System Clocks....................................................................................................................... 37
System Operation Modes....................................................................................................... 38
Control Register..................................................................................................................... 39
Operating Mode Switching..................................................................................................... 41
NORMAL Mode to SLOW Mode Switching............................................................................ 42
SLOW Mode to NORMAL Mode Switching ........................................................................... 43
Entering the SLEEP0 Mode................................................................................................... 43
Entering the SLEEP1 Mode................................................................................................... 44
Entering the IDLE0 Mode....................................................................................................... 44
Entering the IDLE1 Mode....................................................................................................... 44
Standby Current Considerations............................................................................................ 45
Wake-up................................................................................................................................. 45
Watchdog Timer............................................................................................. 46
Watchdog Timer Clock Source............................................................................................... 46
Watchdog Timer Control Register.......................................................................................... 46
Watchdog Timer Operation.................................................................................................... 47
Reset and Initialisation.................................................................................. 48
Reset Functions..................................................................................................................... 49
Reset Initial Conditions.......................................................................................................... 52
Input/Output Ports.......................................................................................... 56
Pull-high Resistors................................................................................................................. 57
Port A Wake-up...................................................................................................................... 58
I/O Port Control Registers...................................................................................................... 58
Pin-shared Functions............................................................................................................. 59
I/O Pin Structures................................................................................................................... 64
System Clock output pin CLO................................................................................................ 65
Programming Considerations................................................................................................. 65
Rev. 2.10
3 November 19, 2019





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