HT46R0664 datasheet(2/92 Pages) HOLTEK

2 / 92 page

Rev. 1.00

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Rev. 1.00

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HT46R0664

Enhanced A/D+LCD Type 8-Bit OTP MCU

Table of Contents

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

CPU Feat�res ......................................................................................................................... 5

Peripheral Feat�res................................................................................................................. 5

General Description ........................................................................................ 6

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

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

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

Absolute Maximum Ratings............................................................................ 9

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

A.C. Characteristics........................................................................................11

LVD&LVR Electrical Characteristics ............................................................ 12

ADC Electrical Characteristics..................................................................... 12

Power-on Reset Characteristics................................................................... 13

System Architecture...................................................................................... 13

Clockin� and Pipelinin�......................................................................................................... 13

Pro�ram Co�nter – PC.......................................................................................................... 14

Stack ..................................................................................................................................... 15

�rithmetic and Lo�ic Unit – �LU ........................................................................................... 15

Progam Memory............................................................................................. 16

Str�ct�re................................................................................................................................ 16

Special Vectors ..................................................................................................................... 16

Look-�p Table........................................................................................................................ 17

Table Pro�ram Example........................................................................................................ 17

Data Memory .................................................................................................. 19

Str�ct�re................................................................................................................................ 19

General P�rpose Data Memory ............................................................................................ 19

Display Memory .................................................................................................................... �0

Special P�rpose Data Memory ............................................................................................. �0

Special Function Register............................................................................. 21

Indirect �ddressin� Re�isters – I�R0� I�R1 ......................................................................... �1

Memory Pointers – MP0� MP1 .............................................................................................. �1

�cc�m�lator – �CC............................................................................................................... ��

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

Pro�ram Co�nter Low Re�ister – PCL.................................................................................. ��

Look-�p Table Re�isters – TBLP� TBLH................................................................................ �3

Stat�s Re�ister – ST�TUS.................................................................................................... �3

System Control Re�isters – CTRL0� CTRL1� CTRL�� CTRL3� CTRL4 ................................ �4

Oscillator ....................................................................................................... 27

Oscillator Overview ............................................................................................................... �7

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