HT45F3W datasheet(4/167 Pages) HOLTEK

4 / 167 page

Rev. 1.50

De�e��e� 01� �01�

Rev. 1.50

De�e��e� 01� �01�

HT45F3W

R-Type Blood Pressure Meter Flash MCU

HT45F3W

R-Type Blood Pressure Meter Flash MCU

TM Clo�k Sou��e................................................................................................................... 77

TM Inte��upts......................................................................................................................... 77

TM Exte�nal Pins .................................................................................................................. 77

P�og�a��ing Conside�ations................................................................................................ 78

Compact Type TM – CTM .............................................................................. 79

Co�pa�t TM Ope�ation ........................................................................................................ 79

Co�pa�t Type TM Registe� Des��iption................................................................................ 80

Co�pa�t Type TM Ope�ating Modes .................................................................................... 84

Standard Type TM – STM .............................................................................. 90

Standa�d TM Ope�ation ........................................................................................................ 90

Standa�d Type TM Registe� Des��iption .............................................................................. 91

Standa�d Type TM Ope�ating Modes ................................................................................... 94

Analog to Digital Converter – ADC............................................................. 104

A/D Ove�view ...................................................................................................................... 104

A/D Conve�te� Data Registe�s – ADRL� ADRH ................................................................... 104

A/D Conve�te� Cont�ol Registe�s – ADCR� ACSR� ANCSR ................................................ 105

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

Conve�sion A��u�ulation Mode.......................................................................................... 107

A/D Input Pins ..................................................................................................................... 108

Su��a�y of A/D Conve�sion Steps .................................................................................... 109

P�og�a��ing Conside�ations...............................................................................................110

A/D T�ansfe� Fun�tion ..........................................................................................................110

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

Digital to Analog Converter – DAC..............................................................113

DAC Ope�ation.....................................................................................................................113

Serial Interface – SPI0, SPI1 ........................................................................114

SPI Inte�fa�e Ope�ation........................................................................................................114

SPI Cont�ol Registe� ............................................................................................................115

SPI Co��uni�ation .............................................................................................................119

Interrupts...................................................................................................... 120

Inte��upt Registe�s............................................................................................................... 1�1

Inte��upt Ope�ation.............................................................................................................. 1�5

Exte�nal Inte��upt................................................................................................................. 1�7

A/D Conve�te� Inte��upt....................................................................................................... 1�8

Multi-fun�tion Inte��upt ........................................................................................................ 1�8

Ti�e Base Inte��upt............................................................................................................. 1�8

SPI Inte��upts ...................................................................................................................... 1�9

LVD Inte��upt ...................................................................................................................... 130

EEPROM Inte��upt .............................................................................................................. 130

TM Inte��upts ...................................................................................................................... 130

SCF Inte��upt....................................................................................................................... 130

Cha�ge Pu�p Inte��upt........................................................................................................ 131

Inte��upt Wake-up Fun�tion................................................................................................. 131

P�og�a��ing Conside�ations.............................................................................................. 131

HT45F3W Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

HT45F3W Datasheet(HTML) 4 Page - Holtek Semiconductor Inc

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