HT68F003 datasheet(2/119 Pages) HOLTEK

2 / 119 page

Rev. 1.41

April 11, 2017

Rev. 1.41

April 11, 2017

HT68F002/HT68F0025/HT68F003

Cost-Effective Flash MCU with EEPROM

HT68F002/HT68F0025/HT68F003

Cost-Effective Flash MCU with EEPROM

Table of Contents

Features............................................................................................................ 5

CPU Features ......................................................................................................................... 5

Peripheral Features................................................................................................................. 5

General Description......................................................................................... 6

Selection Table................................................................................................. 6

Block Diagram.................................................................................................. 7

Pin Assignment................................................................................................ 7

Pin Description ................................................................................................ 8

Absolute Maximum Ratings.......................................................................... 10

D.C. Characteristics........................................................................................11

A.C. Characteristics....................................................................................... 12

LVR&LVD Electrical Characteristics ............................................................ 13

Power on Reset Electrical Characteristics.................................................. 13

System Architecture...................................................................................... 14

Clocking and Pipelining......................................................................................................... 14

Program Counter................................................................................................................... 15

Stack ..................................................................................................................................... 15

Arithmetic and Logic Unit – ALU ........................................................................................... 16

Flash Program Memory................................................................................. 16

Structure................................................................................................................................ 16

Special Vectors ..................................................................................................................... 17

Look-up Table........................................................................................................................ 17

Table Program Example........................................................................................................ 18

In Circuit Programming ......................................................................................................... 19

On-Chip Debug Support – OCDS ......................................................................................... 20

RAM Data Memory......................................................................................... 21

Structure................................................................................................................................ 21

General Purpose Data Memory ............................................................................................ 21

Special Purpose Data Memory ............................................................................................. 21

Special Function Register Description........................................................ 24

Indirect Addressing Registers – IAR0, IAR1 ......................................................................... 24

Memory Pointers – MP0, MP1 .............................................................................................. 24

Bank Pointer – BP................................................................................................................. 25

Accumulator – ACC............................................................................................................... 25

Program Counter Low Register – PCL.................................................................................. 25

Look-up Table Registers – TBLP, TBLH................................................................................ 25

Status Register – STATUS.................................................................................................... 26

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