HT66F018 datasheet(2/154 Pages) HOLTEK

2 / 154 page

Rev. 1.70

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Rev. 1.70

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HT66F018

A/D Flash MCU with EEPROM

HT66F018

A/D Flash MCU with EEPROM

Table of Contents

Features............................................................................................................ 7

CPU Features ......................................................................................................................... 7

Peripheral Features................................................................................................................. 7

General Description......................................................................................... 8

Block Diagram.................................................................................................. 8

Pin Assignment................................................................................................ 9

Pin Description .............................................................................................. 10

Absolute Maximum Ratings.......................................................................... 12

D.C. Characteristics....................................................................................... 12

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

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

LVD&LVR Electrical Characteristics ............................................................ 17

Comparator Electrical Characteristics ........................................................ 17

Power on Reset Characteristics................................................................... 18

Bandgap Reference (VBG) Characteristic Curve.......................................... 18

System Architecture...................................................................................... 19

Clocking and Pipelining......................................................................................................... 19

Program Counter................................................................................................................... �0

Stack ..................................................................................................................................... �1

Arithmetic and Logic Unit – ALU ........................................................................................... �1

Flash Program Memory................................................................................. 22

Structure................................................................................................................................ ��

Special Vectors ..................................................................................................................... ��

Look-up Table........................................................................................................................ ��

Table Program Example........................................................................................................ �3

In Circuit Programming – ICP ............................................................................................... ��

On-Chip Debug Support — OCDS........................................................................................ �5

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

Structure................................................................................................................................ �6

Special Function Register Description........................................................ 28

Indirect Addressing Register – IAR0� IAR1 ........................................................................... �8

�emor� Pointers – �P0� �P1 ............................................................................................. �8

Bank Pointer – BP ................................................................................................................ �9

Accumulator – ACC............................................................................................................... �9

Program Counter Low Register – PCL ................................................................................. �9

Look-up Table Registers – TBLP� TBHP� TBLH .................................................................... �9

Status Register – STATUS ................................................................................................... 30

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