HT45F5Q datasheet(4/114 Pages) HOLTEK

4 / 114 page

Rev. 1.10

De�e��e� 1�� 01�

Rev. 1.10

De�e��e� 1�� 01�

HT45F5Q

Charger Flash MCU

HT45F5Q

Charger Flash MCU

Timer Module – TM ........................................................................................ 57

Int�odu�tion ........................................................................................................................... 57

TM Ope�ation ........................................................................................................................ 57

TM Clo�k Sou��e................................................................................................................... 57

TM Inte��upts......................................................................................................................... 57

TM Exte�nal Pins................................................................................................................... 58

TM Input/Output Pin Cont�ol Registe�................................................................................... 58

P�og�a��ing Conside�ations................................................................................................ 59

Standard Type TM – STM .............................................................................. 60

Standa�d TM Ope�ation......................................................................................................... �0

Standa�d Type TM Registe� Des��iption ............................................................................... �0

Standa�d Type TM Ope�ating Modes .................................................................................... �4

Analog to Digital Converter .......................................................................... 73

A/D Ove�view ........................................................................................................................ 7�

A/D Conve�te� Registe� Des��iption...................................................................................... 74

A/D Conve�te� Data Registe�s – SADOL� SADOH................................................................ 74

A/D Conve�te� Cont�ol Registe�s – SADC0� SADC1� PASR ................................................. 74

A/D Ope�ation ....................................................................................................................... 7�

A/D Conve�te� Input Signal ................................................................................................... 77

Conve�sion Rate and Ti�ing Diag�a� .................................................................................. 77

Su��a�y of A/D Conve�sion Steps....................................................................................... 78

P�og�a��ing Conside�ations................................................................................................ 79

A/D T�ansfe� Fun�tion ........................................................................................................... 79

A/D P�og�a��ing Exa�ples................................................................................................. 80

Battery Charge Module ................................................................................. 82

Batte�y Cha�ging Constant Cu��ent and Constant Voltage Modes........................................ 8�

OCP and OVP Fun�tions ...................................................................................................... 8�

Batte�y Cha�ge Module Registe�s......................................................................................... 8�

Digital to Analog Conve�te� ................................................................................................... 84

Operational Amplifier 0.......................................................................................................... 85

Interrupts........................................................................................................ 87

Inte��upt Registe�s................................................................................................................. 87

Inte��upt Ope�ation................................................................................................................ 90

Exte�nal Inte��upt................................................................................................................... 91

Multi-fun�tion Inte��upt .......................................................................................................... 9�

A/D Conve�te� Inte��upt......................................................................................................... 9�

Ti�e Base Inte��upts............................................................................................................. 9�

EEPROM Inte��upt ................................................................................................................ 9�

TM Inte��upts......................................................................................................................... 94

OCVP Inte��upt...................................................................................................................... 94

Inte��upt Wake-up Fun�tion................................................................................................... 94

P�og�a��ing Conside�ations................................................................................................ 95

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