HT45F3420 datasheet(2/141 Pages) HOLTEK

2 / 141 page

Rev. 1.31

April 11, 2017

Rev. 1.31

April 11, 2017

HT45F3420/HT45F3430

Personal Care Flash MCU

HT45F3420/HT45F3430

Personal Care Flash MCU

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 ................................................................................................ 9

Absolute Maximum Ratings.......................................................................... 13

D.C. Characteristics....................................................................................... 13

A.C. Characteristics....................................................................................... 15

A/D Converter Electrical Characteristics..................................................... 16

OCP Electrical Characteristics .................................................................... 17

OVP Electrical Characteristics .................................................................... 18

DLL Electrical Characteristics...................................................................... 18

LVR Electrical Characteristics...................................................................... 18

Power on Reset Electrical Characteristics.................................................. 19

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........................................................................................................................ 23

Table Program Example........................................................................................................ 23

In Circuit Programming ......................................................................................................... 24

On-Chip Debug Support ─ OCDS......................................................................................... 25

RAM Data Memory......................................................................................... 26

Structure................................................................................................................................ 26

General Purpose Data Memory ............................................................................................ 26

Special Purpose Data Memory ............................................................................................. 27

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