HT45FH4J datasheet(2/129 Pages) HOLTEK

2 / 129 page

Rev. 1.10

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Rev. 1.10

De�e��e� 1�� 01�

HT45FH4J

Emergency Light Flash MCU

HT45FH4J

Emergency Light Flash MCU

Table of Contents

Features............................................................................................................ 6

CPU Featu�es ......................................................................................................................... �

Pe�iphe�al Featu�es................................................................................................................. �

E�e�gen�y Light Appli�ation Featu�es.................................................................................... �

General Description ........................................................................................ 7

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

Pin Assignment................................................................................................ 8

Pin Descriptions .............................................................................................. 9

Absolute Maximum Ratings...........................................................................11

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

A.C. Characteristics....................................................................................... 13

LVD&LVR Electrical Characteristics ............................................................ 14

ADC Electrical Characteristics..................................................................... 15

LDO Regulator Electrical Characteristics ................................................... 15

Over Current Pretection Electrical Characteristics.................................... 16

Power-on Reset Electrical Characteristics.................................................. 16

System Architecture...................................................................................... 17

Clo�king and Pipelining......................................................................................................... 17

P�og�a� Counte�................................................................................................................... 18

Sta�k ..................................................................................................................................... 19

A�ith�eti� and Logi� Unit – ALU ........................................................................................... 19

Flash Program Memory................................................................................. 20

St�u�tu�e................................................................................................................................ �0

Spe�ial Ve�to�s ..................................................................................................................... �0

Look-up Ta�le........................................................................................................................ �1

Ta�le P�og�a� Exa�ple........................................................................................................ ��

In Ci��uit P�og�a��ing ......................................................................................................... �3

On-Chip De�ug Suppo�t – OCDS ......................................................................................... ��

RAM Data Memory......................................................................................... 25

St�u�tu�e................................................................................................................................ �5

Special Function Register Description........................................................ 27

Indi�e�t Add�essing Registe�s – IAR0� IAR1 ......................................................................... �7

Me�o�y Pointe�s – MP0� MP1 .............................................................................................. �7

Bank Pointe� – BP................................................................................................................. �8

A��u�ulato� – ACC............................................................................................................... �8

P�og�a� Counte� Low Registe� – PCL.................................................................................. �8

Look-up Ta�le Registe�s – TBLP� TBHP� TBLH..................................................................... �8

Status Registe� – STATUS.................................................................................................... �9

HT45FH4J Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

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