Flash MCU. HT45F3630 Datasheet

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HT45F3630 Datasheet
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Part HT45F3630
Description Power Tool Controller 8-Bit Flash MCU
Feature HT45F3630; Power Tool Controller 8-Bit Flash MCU HT45F3630 Revision: V1.00 Date: �M�a�r�c�h�0��3,���2�0�1�6 HT.
Manufacture Holtek Semiconductor
Datasheet
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Holtek Semiconductor HT45F3630
Power Tool Controller 8-Bit Flash MCU
HT45F3630
Revision: V1.00 Date: �M�a�r�c�h�0��3,���2�0�1�6



Holtek Semiconductor HT45F3630
HT45F3630
Power Tool Controller 8-Bit Flash MCU
Table of Contents
Features................................................................................................................. 6
CPU Features...............................................................................................................................6
Peripheral Features.......................................................................................................................6
General Description.............................................................................................. 7
Block Diagram....................................................................................................... 7
Pin Assignment..................................................................................................... 8
Pin Description..................................................................................................... 8
Absolute Maximum Ratings............................................................................... 10
D.C. Characteristics............................................................................................ 10
A.C. Characteristics............................................................................................ 11
HIRC Characteristics.......................................................................................... 12
I2C A.C. Characteristics...................................................................................... 12
A/D Converter Electrical Characteristics.......................................................... 12
LVD/LVR Electrical Characteristics................................................................... 13
Reference Voltage Characteristics.................................................................... 13
Over Current Protection Electrical Characteristics......................................... 14
High Voltage Output Characteristics................................................................ 15
Power-on Reset Characteristics........................................................................ 15
System Architecture........................................................................................... 16
Clocking and Pipelining...............................................................................................................16
Program Counter.........................................................................................................................17
Stack...........................................................................................................................................18
Arithmetic and Logic Unit – ALU.................................................................................................18
Flash Program Memory...................................................................................... 19
Structure......................................................................................................................................19
Special Vectors...........................................................................................................................19
Look-up Table .............................................................................................................................19
Table Program Example..............................................................................................................20
In Circuit Programming – ICP.....................................................................................................21
On Chip Debug Support – OCDS...............................................................................................22
Data Memory....................................................................................................... 22
Structure .....................................................................................................................................22
General Purpose Data Memory..................................................................................................23
Special Purpose Data Memory...................................................................................................23
Rev. 1.00
2 March 03, 2016



Holtek Semiconductor HT45F3630
HT45F3630
Power Tool Controller 8-Bit Flash MCU
Special Function Register Description............................................................. 24
Indirect Addressing Registers – IAR0, IAR1, IAR2.....................................................................24
Memory Pointers – MP0, MP1L, MP1H, MP2L, MP2H...............................................................24
Accumulator – ACC ....................................................................................................................25
Program Counter Low Register – PCL .......................................................................................26
Look-up Table Registers – TBLP, TBHP, TBLH ..........................................................................26
Status Register – STATUS .........................................................................................................26
EEPROM Data Memory....................................................................................... 28
EEPROM Data Memory Structure..............................................................................................28
EEPROM Registers....................................................................................................................28
Reading Data from the EEPROM...............................................................................................30
Writing Data to the EEPROM......................................................................................................30
Write Protection...........................................................................................................................30
EEPROM Interrupt......................................................................................................................30
Programming Considerations......................................................................................................31
Oscillators........................................................................................................... 32
Oscillator Overview ....................................................................................................................32
System Clock Configurations......................................................................................................32
Internal RC Oscillator – HIRC.....................................................................................................33
Internal 32kHz Oscillator – LIRC ................................................................................................33
Operating Modes and System Clocks.............................................................. 33
System Clocks............................................................................................................................33
System Operation Modes ...........................................................................................................34
Control Register..........................................................................................................................36
Operating Mode Switching .........................................................................................................37
Standby Current Considerations ................................................................................................41
Wake-up .....................................................................................................................................41
Watchdog Timer.................................................................................................. 42
Watchdog Timer Clock Source....................................................................................................42
Watchdog Timer Control Register...............................................................................................42
Watchdog Timer Operation.........................................................................................................43
Reset and Initialisation ...................................................................................... 44
Reset Functions..........................................................................................................................44
Reset Initial Conditions ..............................................................................................................46
Input/Output Ports ............................................................................................. 49
Pull-high Resistors......................................................................................................................49
Port A Wake-up...........................................................................................................................50
I/O Port Control Registers...........................................................................................................50
I/O Port Source Current Control..................................................................................................51
Pin-shared Functions..................................................................................................................52
I/O Pin Structures........................................................................................................................54
Programming Considerations .....................................................................................................55
Rev. 1.00
3 March 03, 2016





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