HT66F20 datasheet(2/298 Pages) HOLTEK

2 / 298 page

Rev. 1.90

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Rev. 1.90

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HT66F20/HT66F30/HT66F40/HT66F50/HT66F60

HT66FU30/HT66FU40/HT66FU50/HT66FU60

Enhanced A/D Flash Type 8-Bit MCU with EEPROM

HT66F20/HT66F30/HT66F40/HT66F50/HT66F60

HT66FU30/HT66FU40/HT66FU50/HT66FU60

Enhanced A/D Flash Type 8-Bit MCU with EEPROM

Table of Contents

Features............................................................................................................ 8

CPU �eat��es ........................................................................................................................ 8

Pe�iphe�al �eat��es ................................................................................................................ 9

General Description....................................................................................... 10

Selection Table................................................................................................11

Block Diagram................................................................................................ 12

Pin Assignment.............................................................................................. 13

Pin Description .............................................................................................. 17

Absolute Maximum Ratings.......................................................................... 23

D.C. Characteristics....................................................................................... 24

A.C. Characteristics....................................................................................... 25

A/D Converter Characteristics...................................................................... 26

Comparator Electrical Characteristics ........................................................ 27

Power-on Reset Characteristics................................................................... 27

System Architecture...................................................................................... 28

Clocking and Pipelining......................................................................................................... �8

P�og�am Co�nte�................................................................................................................... �9

Stack ..................................................................................................................................... �0

A�ithmetic and Logic Unit – ALU ........................................................................................... �0

Flash Program Memory................................................................................. 31

St��ct��e................................................................................................................................ �1

Special Vecto�s ..................................................................................................................... ��

Look-�p Ta�le........................................................................................................................ ��

Ta�le P�og�am Example........................................................................................................ ��

In Ci�c�it P�og�amming – ICP ............................................................................................... �4

Data Memory .................................................................................................. 35

St��ct��e................................................................................................................................ �5

Special Function Register Description........................................................ 39

Indi�ect Add�essing Registe�s – IAR0� IAR1 ......................................................................... �9

Memo�� Pointe�s – MP0� MP1 .............................................................................................. �9

Bank Pointe� – BP................................................................................................................. 40

Acc�m�lato� – ACC............................................................................................................... 4�

P�og�am Co�nte� Low Registe� – PCL.................................................................................. 4�

Look-�p Ta�le Registe�s – TBLP� TBHP� TBLH..................................................................... 4�

Stat�s Registe� – STATUS.................................................................................................... 4�

HT66F20 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

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