HT45F23 データシートの表示（PDF） - Holtek Semiconductor

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HT45F23

8-Bit Flash MCU with Op Amps & Comparators

Holtek Semiconductor 

Contents

Table of Contents

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

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

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

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

Block Diagram .....................................................................................9

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

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

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

D.C. Characteristics ..........................................................................13

A.C. Characteristics ..........................................................................16

OP Amplifier Electrical Characteristics...........................................17

Comparator Electrical Characteristics ............................................18

LDO 2.4V ............................................................................................18

LDO 3.3V ............................................................................................18

Power-on Reset Characteristics ......................................................19

System Architecture .........................................................................20

Clocking and Pipelining ........................................................................................20

Program Counter..................................................................................................21

Stack ....................................................................................................................21

Arithmetic and Logic Unit - ALU ...........................................................................22

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

Structure...............................................................................................................22

Special Vectors.....................................................................................................22

Look-up Table.......................................................................................................24

Table Program Example .......................................................................................25

In Circuit Programming ....................................................................26

RAM Data Memory.............................................................................27

Structure...............................................................................................................27

Special Function Registers ...................................................................................28

Indirect Addressing Registers - IAR0, IAR1 .........................................................28

Memory Pointers - MP0, MP1..............................................................................29

Bank Pointer - BP ................................................................................................30

Accumulator - ACC ..............................................................................................30

Rev. 1.20

2

September 15, 2011

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