HT45F0027 datasheet(2/112 Pages) HOLTEK

2 / 112 page

Rev. 1.20

�an�a�� 21� 201�

Rev. 1.20

�an�a�� 21� 201�

HT45F0027

PIR 8-Bit Flash MCU

HT45F0027

PIR 8-Bit Flash MCU

Table of Contents

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

CPU Feat��es ......................................................................................................................... �

Pe�iphe�al Feat��es................................................................................................................. �

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

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

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

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

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

D.C. Characteristics....................................................................................... 10

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

OP Amplifier Characteristics ........................................................................ 13

LDO Characteristics ...................................................................................... 13

A/D Converter Characteristics...................................................................... 14

Temperature Sensor Characteristics ........................................................... 14

Power-on Reset Characteristics................................................................... 14

System Architecture...................................................................................... 15

Clocking and Pipelining......................................................................................................... 15

P�og�am Co�nte�................................................................................................................... 1�

Stack ..................................................................................................................................... 17

A�ithmetic and Logic Unit – ALU ........................................................................................... 17

Flash Program Memory................................................................................. 18

St��ct��e................................................................................................................................ 18

Special Vecto�s ..................................................................................................................... 18

Look-�p Table........................................................................................................................ 18

Table P�og�am Example........................................................................................................ 19

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

RAM Data Memory......................................................................................... 20

St��ct��e................................................................................................................................ 20

Special Function Register Description........................................................ 22

Indi�ect Add�essing Registe� – IAR0� IAR1 ........................................................................... 22

Memo�� Pointe�s – MP0� MP1 ............................................................................................. 22

Bank Pointe� – BP ................................................................................................................ 23

Acc�m�lato� – ACC............................................................................................................... 23

P�og�am Co�nte� Low Registe� – PCL ................................................................................. 23

Look-�p Table Registe�s – TBLP� TBHP� TBLH .................................................................... 23

Stat�s Registe� – STATUS ................................................................................................... 24

HT45F0027 Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

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