Rev. 1.71 2 April 11, 2017 Rev. 1.71 3 April 11, 2017
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
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
ADC Electrical Characteristics
..................................................................... 17
OPA Electrical Characteristics
..................................................................... 17
LVR Electrical Characteristics
...................................................................... 18
LCD Electrical Characteristics – HT66F004
................................................ 18
Power on Reset Electrical 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
........................................................................................................................ 22
Table Program Example
........................................................................................................ 23
In Circuit Programming – ICP
............................................................................................... 24
On-Chip Debug Support – OCDS
......................................................................................... 24
RAM Data Memory ......................................................................................... 25
Structure ................................................................................................................................ 25
General Purpose Data Memory
............................................................................................ 25
Special Purpose Data Memory
............................................................................................. 25
Special Function Register Description ........................................................ 29
Indirect Addressing Registers – IAR0, IAR1 ......................................................................... 29
Memory Pointers – MP0, MP1
.............................................................................................. 29
Bank Pointer – BP
................................................................................................................. 30
Accumulator – ACC
............................................................................................................... 30
Program Counter Low Register – PCL
.................................................................................. 30
Look-up Table Registers – TBLP, TBLH
................................................................................ 30
Status Register – STATUS
.................................................................................................... 31