HT45R2K-C datasheet(2/105 Pages) HOLTEK

2 / 105 page

Rev. 1.40

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Rev. 1.40

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HT45R2K-C/-B/-A

Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale

HT45R2K-C/-B/-A

Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale

Table of Contents

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

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

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

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

Pin Assignment ............................................................................................................. 7

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

Absolute Maximum Ratings ....................................................................................... 10

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

A.C. Characteristics .................................................................................................... 12

Operational Amplifier Electrical Characteristics...................................................... 13

Instrumentation Amplifier Electrical Characteristics............................................... 13

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

System Architecture.................................................................................................... 14

Clo�king and Pipelining.......................................................................................................... 14

P�og�am Counte� – PC .......................................................................................................... 1�

Sta�k ...................................................................................................................................... 16

A�it�meti� and Logi� Unit – ALU ............................................................................................ 16

Program Memory......................................................................................................... 17

St�u�tu�e................................................................................................................................. 17

Spe�ial Ve�to�s ...................................................................................................................... 17

Look-up Table......................................................................................................................... 18

Table P�og�am Example......................................................................................................... 19

Data Memory................................................................................................................ 20

St�u�tu�e................................................................................................................................. �0

Spe�ial Pu�pose Data �emo�y .............................................................................................. ��

Special Function Registers ........................................................................................ 22

Indi�e�t Add�essing Registe�s – IAR0� IAR1 .......................................................................... ��

�emo�y Pointe�s – �P0� �P1 ............................................................................................... ��

A��umulato� – ACC................................................................................................................ �3

P�og�am Counte� Low Registe� – PCL................................................................................... �3

Bank Pointe� – BP.................................................................................................................. �4

Status Registe� – STATUS..................................................................................................... �4

System Cont�ol Registe�s – CTRL0� CTRL1.......................................................................... ��

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