HT66F002 datasheet(2/144 Pages) HOLTEK

2 / 144 page

Rev. 1.71

April 11, 2017

Rev. 1.71

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

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