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HT45R2K-B Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

Part # HT45R2K-B
Description  Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45R2K-B Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

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Rev. 1.20
2
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Rev. 1.20
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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
Clocking and Pipelining.......................................................................................................... 14
Program Counter – PC .......................................................................................................... 15
Stack ...................................................................................................................................... 16
Arithmetic and Logic Unit – ALU ............................................................................................ 16
Program Memory......................................................................................................... 17
Structure................................................................................................................................. 17
Special Vectors ...................................................................................................................... 17
Look-up Table......................................................................................................................... 18
Table Program Example......................................................................................................... 19
Data Memory................................................................................................................ 20
Structure................................................................................................................................. 20
Special Purpose Data �emor� .............................................................................................. 22
Special Function Registers ........................................................................................ 22
Indirect Addressing Registers – IAR0� IAR1 .......................................................................... 22
�emor� Pointers – �P0� �P1 ............................................................................................... 22
Accumulator – ACC................................................................................................................ 2�
Program Counter Low Register – PCL................................................................................... 2�
Bank Pointer – BP.................................................................................................................. 24
Status Register – STATUS..................................................................................................... 24
S�stem Control Registers – CTRL0� CTRL1.......................................................................... 25


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