HT45F75 datasheet(4/190 Pages) HOLTEK

4 / 190 page

Rev. 1.10

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Rev. 1.10

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HT45F75

Body Fat Scale Flash MCU

HT45F75

Body Fat Scale Flash MCU

TM Inte��upts..............................................................................................................................7�

TM Exte�nal Pins .......................................................................................................................7�

TM Input/Output Pin Cont�ol Registe�s ......................................................................................7�

P�og�a��ing Conside�ations.....................................................................................................73

Compact Type TM – CTM .................................................................................. 74

Co�pa�t TM Ope�ation .............................................................................................................7�

Co�pa�t Type TM Registe� Des��iption.....................................................................................75

Co�pa�t Type TM Ope�ating Modes ........................................................................................79

Periodic Type TM – PTM.................................................................................... 85

Pe�iodi� TM Ope�ation ...............................................................................................................85

Pe�iodi� Type TM Registe� Des��iption......................................................................................8�

Pe�iodi� Type TM Ope�ating Modes...........................................................................................90

Internal Power Supply ...................................................................................... 99

Analog to Digital Converter – ADC................................................................. 101

A/D Ove�view ...........................................................................................................................101

A/D Data Rate Definition..........................................................................................................10�

A/D Conve�te� Registe� Des��iption.........................................................................................10�

Programmable Gain Amplifier – PGA.......................................................................................10�

A/D Conve�te� Data Registe�s – ADRL� ADRM� ADRH............................................................10�

A/D Conve�te� Cont�ol Registe�s – ADCR0� ADCR1� ADCS....................................................105

A/D Ope�ation ..........................................................................................................................107

Su��a�y of A/D Conve�sion Steps..........................................................................................108

P�og�a��ing Conside�ations...................................................................................................108

A/D T�ansfe� Fun�tion ..............................................................................................................109

A/D Conve�ted Data.................................................................................................................110

A/D Conve�ted data to voltage.................................................................................................110

A/D P�og�a��ing Exa�ple...................................................................................................... 111

Temperature sensor ........................................................................................ 112

Serial Interface Module – SIM......................................................................... 112

SPI Inte�fa�e ...........................................................................................................................11�

I�C Inte�fa�e .............................................................................................................................119

UART Module Serial Interface with IR Carrier............................................... 129

UART Module Featu�es............................................................................................................1�9

UART Module Ove�view...........................................................................................................1�9

UART exte�nal pin inte�fa�ing ..................................................................................................1�9

UART data t�ansfe� s�he�e.....................................................................................................1�9

UART status and �ont�ol �egiste�s ...........................................................................................130

Baud Rate Gene�ato�...............................................................................................................135

UART Setup and Cont�ol..........................................................................................................137

UART t�ans�itte�......................................................................................................................138

UART �e�eive�..........................................................................................................................139

Managing �e�eive� e��o�s .........................................................................................................1�0

UART Module Inte��upt St�u�tu�e.............................................................................................1�1

HT45F75 Datenblatt(PDF) 4 Page - Holtek Semiconductor Inc

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