HT67F4892 datasheet(4/188 Pages) HOLTEK

4 / 188 page

Rev. 1.00

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Rev. 1.00

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HT67F4892

Enhanced A/D Flash MCU with LCD & EEPROM

HT67F4892

Enhanced A/D Flash MCU with LCD & EEPROM

Compact Type TM – CTM .............................................................................. 67

Co�pact Type TM Ope�ation ................................................................................................ �7

Co�pact Type TM Registe� Desc�iption................................................................................ �7

Co�pact Type TM Ope�ating Modes .................................................................................... 71

Periodic Type TM – PTM ............................................................................... 77

Pe�iodic Type TM Ope�ation ................................................................................................. 77

Pe�iodic Type TM Registe� Desc�iption ................................................................................ 78

Pe�iodic Type TM Ope�ating Modes ..................................................................................... 8�

Analog to Digital Converter – ADC............................................................... 91

A/D Conve�te� Ove�view ....................................................................................................... 91

A/D Conve�te� Registe� Desc�iption...................................................................................... 91

A/D Conve�te� Ope�ation ...................................................................................................... 95

A/D Conve�te� Refe�ence Voltage......................................................................................... 9�

A/D Conve�te� Input Signals.................................................................................................. 9�

Conve�sion Rate and Ti�ing Diag�a� .................................................................................. 97

Su��a�y of A/D Conve�sion Steps....................................................................................... 98

P�og�a��ing Conside�ations................................................................................................ 99

A/D Conve�sion Function ...................................................................................................... 99

A/D Conve�sion P�og�a��ing Exa�ples............................................................................ 100

Serial Interface Module – SIM..................................................................... 102

SPI Inte�face ...................................................................................................................... 10�

I�C Inte�face .........................................................................................................................111

LCD Display Memory................................................................................... 121

LCD D�ive� Output............................................................................................................... 1�1

LCD Cont�ol Registe�.......................................................................................................... 1��

LCD Wavefo��.................................................................................................................... 1��

LED Driver .................................................................................................... 130

LED D�ive� Ope�ation.......................................................................................................... 130

LED D�ive� Registe� ............................................................................................................ 130

UART Interface............................................................................................. 131

UART Exte�nal Pin Inte�facing ............................................................................................ 131

UART Data T�ansfe� Sche�e.............................................................................................. 131

UART Status and Cont�ol Registe�s.................................................................................... 13�

Baud Rate Gene�ato�.......................................................................................................... 138

UART Setup and Cont�ol..................................................................................................... 139

UART T�ans�itte�................................................................................................................ 1�0

UART Receive� ................................................................................................................... 1��

Managing Receive� E��o�s .................................................................................................. 1�3

UART Module Inte��upt St�uctu�e........................................................................................ 1��

UART Powe� Down and Wake-up....................................................................................... 1��

Interrupts...................................................................................................... 147

Inte��upt Registe�s............................................................................................................... 1�7

Inte��upt Ope�ation.............................................................................................................. 153

Exte�nal Inte��upt................................................................................................................. 15�

HT67F4892 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

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