HT45FM2C datasheet(2/171 Pages) HOLTEK

2 / 171 page

Rev. 1.10

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Rev. 1.10

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HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

Preliminar�

Table of Contents

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

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

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

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

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

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

Pin Description ...............................................................................................11

Absolute Maximum Ratings.......................................................................... 14

D.C. Characteristics....................................................................................... 14

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

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

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

Operational Amplifier Characteristics ......................................................... 17

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

Power on Reset Electrical Characteristics.................................................. 17

System Architecture ...................................................................................... 18

Clocking and Pipelining......................................................................................................... 18

Program Counter................................................................................................................... 19

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

Arithmetic and Logic Unit – ALU ........................................................................................... �0

Flash Program Memory................................................................................. 21

Structure................................................................................................................................ �1

Special Vectors ..................................................................................................................... �1

Look-up Table........................................................................................................................ �1

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

In Circuit Programming ......................................................................................................... ��

RAM Data Memory ......................................................................................... 24

Structure................................................................................................................................ �4

Special Function Register Description........................................................ 26

Indirect Addressing Registers – IAR0� IAR1 ......................................................................... �6

�emor� Pointers – �P0� �P1 .............................................................................................. �6

Bank Pointer – BP................................................................................................................. �7

Accumulator – ACC............................................................................................................... �7

Program Counter Low Register – PCL.................................................................................. �7

Look-up Table Registers – TBLP� TBHP� TBLH..................................................................... �8

Status Register – STATUS .................................................................................................... �8

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