Flash MCU. HT45F5R Datasheet

HT45F5R MCU. Datasheet pdf. Equivalent

HT45F5R Datasheet
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Part HT45F5R
Description Charger ASSP Flash MCU
Feature HT45F5R; Charger ASSP Flash MCU HT45F5R Revision: V1.10 Date: �D�e�c�e�mb��e�r�1��3,���2�0�1�6 HT45F5R Charg.
Manufacture Holtek Semiconductor
Datasheet
Download HT45F5R Datasheet




Holtek Semiconductor HT45F5R
Charger ASSP Flash MCU
HT45F5R
Revision: V1.10 Date: �D�e�c�e�mb��e�r�1��3,���2�0�1�6



Holtek Semiconductor HT45F5R
HT45F5R
Charger ASSP Flash MCU
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 7
General Description ......................................................................................... 8
Block Diagram................................................................................................... 8
Pin Assignment................................................................................................. 9
Pin Description............................................................................................... 10
Absolute Maximum Ratings........................................................................... 12
D.C. Characteristics........................................................................................ 13
A.C. Characteristics........................................................................................ 14
A/D Converter Electrical Characteristics ..................................................... 15
LVD&LVR Electrical Characteristics............................................................. 15
Reference Voltage Characteristics................................................................ 16
LCD Electrical Characteristics...................................................................... 16
DAC Electrical Characteristics...................................................................... 16
OPA Characteristics....................................................................................... 16
OVP Electrical Characteristics...................................................................... 17
OCP Electrical Characteristics...................................................................... 17
Power Good Characteristics.......................................................................... 17
USB Auto Detector Electrical Characteristics.............................................. 18
Power on Reset Electrical Characteristics................................................... 19
System Architecture....................................................................................... 20
Clocking and Pipelining.......................................................................................................... 20
Program Counter.................................................................................................................... 21
Stack...................................................................................................................................... 22
Arithmetic and Logic Unit – ALU............................................................................................ 22
Flash Program Memory.................................................................................. 23
Structure................................................................................................................................. 23
Special Vectors...................................................................................................................... 23
Look-up Table......................................................................................................................... 23
Table Program Example......................................................................................................... 24
In Circuit Programming – ICP................................................................................................ 25
On-Chip Debug Support – OCDS.......................................................................................... 26
RAM Data Memory.......................................................................................... 27
Structure................................................................................................................................. 27
General Purpose Data Memory............................................................................................. 27
Special Purpose Data Memory.............................................................................................. 28
Rev. 1.10
2 December 13, 2016



Holtek Semiconductor HT45F5R
HT45F5R
Charger ASSP Flash MCU
Special Function Register Description......................................................... 29
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 29
Memory Pointers – MP0, MP1............................................................................................... 29
Bank Pointer – BP.................................................................................................................. 30
Accumulator – ACC................................................................................................................ 30
Program Counter Low Register – PCL................................................................................... 30
Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 30
Status Register – STATUS..................................................................................................... 31
EEPROM Data Memory................................................................................... 33
EEPROM Data Memory Structure......................................................................................... 33
EEPROM Registers............................................................................................................... 33
Reading Data from the EEPROM ......................................................................................... 35
Writing Data to the EEPROM................................................................................................. 35
Write Protection...................................................................................................................... 35
EEPROM Interrupt................................................................................................................. 35
Programming Considerations................................................................................................. 36
Oscillators....................................................................................................... 37
Oscillator Overview................................................................................................................ 37
System Clock Configurations................................................................................................. 37
Internal RC Oscillator – HIRC................................................................................................ 38
Internal 32kHz Oscillator – LIRC............................................................................................ 38
Supplementary Oscillator....................................................................................................... 38
Operating Modes and System Clocks.......................................................... 38
System Clocks....................................................................................................................... 38
System Operation Modes....................................................................................................... 40
Control Register..................................................................................................................... 41
Operating Mode Switching .................................................................................................... 42
Standby Current Considerations............................................................................................ 46
Wake-up................................................................................................................................. 46
Watchdog Timer.............................................................................................. 47
Watchdog Timer Clock Source............................................................................................... 47
Watchdog Timer Control Register.......................................................................................... 47
Watchdog Timer Operation.................................................................................................... 48
Reset and Initialisation................................................................................... 49
Reset Functions..................................................................................................................... 49
Reset Initial Conditions.......................................................................................................... 51
Input/Output Ports.......................................................................................... 54
Pull-high Resistors................................................................................................................. 54
Port A Wake-up...................................................................................................................... 55
I/O Port Control Registers...................................................................................................... 55
I/O Port Source Current Control............................................................................................. 56
Pin-shared Functions............................................................................................................. 57
Pin-shared Function Selection Registers............................................................................... 57
I/O Pin Structures................................................................................................................... 60
Programming Considerations................................................................................................. 60
Rev. 1.10
3 December 13, 2016







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