HT46R005 データシートの表示（PDF） - Holtek Semiconductor

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HT46R005

Small Package 8-Bit OTP MCU

Holtek Semiconductor 

HT48R005/HT46R005

Table of Contents

Features ...............................................................................................5

CPU Features ........................................................................................................5

Peripheral Features ................................................................................................5

General Description ............................................................................5

Selection Table ....................................................................................6

Block Diagram .....................................................................................6

Pin Assignment ...................................................................................6

Pin Description ....................................................................................7

HT48R005..............................................................................................................7

HT46R005..............................................................................................................8

Absolute Maximum Ratings ...............................................................8

D.C. Characteristics ............................................................................9

A.C. Characteristics ..........................................................................10

ADC Characteristics..........................................................................11

Power-on Reset Characteristics ......................................................11

System Architecture .........................................................................12

Clocking and Pipelining ........................................................................................12

Program Counter..................................................................................................13

Stack ....................................................................................................................13

Arithmetic and Logic Unit - ALU ...........................................................................13

Program Memory...............................................................................14

Structure...............................................................................................................14

Special Vectors.....................................................................................................14

Look-up Table.......................................................................................................14

Table Program Example .......................................................................................15

Data Memory......................................................................................16

Structure...............................................................................................................16

Special Purpose Data Memory .............................................................................16

Special Function Registers ..............................................................17

Indirect Addressing Registers - IAR0, IAR1 .........................................................17

Memory Pointers - MP0, MP1..............................................................................17

Accumulator - ACC .............................................................................................17

Program Counter Low Register - PCL..................................................................18

Status Register - STATUS ...................................................................................18

Input/Output Ports and Control Registers .............................................................18

Rev. 1.20

ii

September 26, 2012

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