HT69F240 datasheet(4/172 Pages) HOLTEK

4 / 172 page

Rev. 1.20

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Rev. 1.20

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�a�� 2�� 201�

HT69F240

I/O 8-Bit Flash MCU with LED/LCD Driver

HT69F240

I/O 8-Bit Flash MCU with LED/LCD Driver

Timer Modules – TM ...................................................................................... 63

Int�odu�tion ........................................................................................................................... 63

T� Ope�ation ........................................................................................................................ 63

T� Clo�k Sou��e................................................................................................................... 64

T� Inte��upts......................................................................................................................... 64

T� Exte�nal Pins................................................................................................................... 64

T� Input/Output Pin Cont�ol Registe�s ................................................................................. 6�

P�og�amming Conside�ations................................................................................................ 66

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

Compa�t T� Ope�ation......................................................................................................... 67

Compa�t Type T� Registe� Des��iption................................................................................ 68

Compa�t Type T� Ope�ating �odes .................................................................................... 72

Compa�e �at�� Output �ode............................................................................................... 72

Time�/Counte� �ode ............................................................................................................. 7�

PW� Output �ode................................................................................................................ 7�

Periodic Type TM – PTM................................................................................ 78

Pe�iodi� T� Ope�ation .......................................................................................................... 78

Pe�iodi� Type T� Registe� Des��iption................................................................................. 79

Pe�iodi� Type T� Ope�ating �odes...................................................................................... 83

Compa�e Output �ode.......................................................................................................... 83

Time�/Counte� �ode ............................................................................................................. 86

PW� Output �ode................................................................................................................ 86

Single Pulse Output �ode .................................................................................................... 88

Captu�e Input �ode .............................................................................................................. 90

Enhanced Type TM – ETM............................................................................. 92

En�an�ed T� Ope�ation ....................................................................................................... 92

En�an�ed Type T� Registe� Des��iption.............................................................................. 93

En�an�ed Type T� Ope�ating �odes................................................................................. 100

Compa�e Output �ode........................................................................................................ 100

Time�/Counte� �ode ........................................................................................................... 10�

PW� Output �ode.............................................................................................................. 10�

Single Pulse Output �ode ...................................................................................................111

Captu�e Input �ode .............................................................................................................113

Software LCD Driver.....................................................................................116

LCD Ope�ation .....................................................................................................................116

LCD Bias Cont�ol .................................................................................................................117

I2C Interface...................................................................................................117

I2C Inte�fa�e Ope�ation.........................................................................................................117

I2C Registe�s ........................................................................................................................118

I2C Bus Communi�ation ...................................................................................................... 121

UART Interface............................................................................................. 126

UART Exte�nal Pins ............................................................................................................ 127

UART Data T�ansfe� S��eme.............................................................................................. 127

HT69F240 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

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