HT45F5R datasheet(4/138 Pages) HOLTEK

4 / 138 page

Rev. 1.10

De�e��e� 1�� 01�

Rev. 1.10

De�e��e� 1�� 01�

HT45F5R

Charger ASSP Flash MCU

HT45F5R

Charger ASSP Flash MCU

Timer Module – TM ........................................................................................ 61

Int�odu�tion ........................................................................................................................... �1

TM Ope�ation ........................................................................................................................ �1

TM Clo�k Sou��e................................................................................................................... �1

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

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

TM Input/Output Pin Sele�tion .............................................................................................. ��

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

Standard Type TM – STM .............................................................................. 64

Standa�d TM Ope�ation......................................................................................................... �4

Standa�d Type TM Registe� Des��iption ............................................................................... �4

Standa�d Type TM Ope�ating Modes .................................................................................... �8

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

Pe�iodi� TM Ope�ation ......................................................................................................... 78

Pe�iodi� Type TM Registe� Des��iption ................................................................................ 78

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

Analog to Digital Converter .......................................................................... 91

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

A/D Conve�te� Registe� Des��iption...................................................................................... 9�

A/D Conve�te� Ope�ation....................................................................................................... 94

A/D Conve�te� Refe�en�e Voltage......................................................................................... 95

A/D Conve�te� Input Signals.................................................................................................. 95

Conve�sion Rate and Ti�ing Diag�a� .................................................................................. 9�

Su��a�y of A/D Conve�sion Steps....................................................................................... 97

P�og�a��ing Conside�ations................................................................................................ 98

A/D Conve�sion Fun�tion ...................................................................................................... 98

A/D Conve�sion P�og�a��ing Exa�ples.............................................................................. 99

USB Auto Detection..................................................................................... 101

USB Auto Dete�tion ........................................................................................................... 101

USB Auto Dete�tion Registe�s ............................................................................................ 10�

Battery Charge Module ............................................................................... 103

Batte�y Cha�ging Constant Cu��ent and Constant Voltage Modes...................................... 104

OCP and OVP Fun�tions .................................................................................................... 104

Batte�y Cha�ge Module Registe�s....................................................................................... 105

Digital to Analog Conve�te� ................................................................................................. 105

Operational Amplifier 0........................................................................................................ 10�

SCOM Function for LCD.............................................................................. 108

LCD Ope�ation .................................................................................................................... 108

LCD Bias Cu��ent Cont�ol ................................................................................................... 108

Interrupts...................................................................................................... 109

Inte��upt Registe�s............................................................................................................... 109

Inte��upt Ope�ation...............................................................................................................11�

Exte�nal Inte��upt..................................................................................................................115

OCVP Inte��upt.....................................................................................................................115

HT45F5R Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

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