Flash MCU. HT45F5Q-2 Datasheet

HT45F5Q-2 MCU. Datasheet pdf. Equivalent

HT45F5Q-2 Datasheet
Recommendation HT45F5Q-2 Datasheet
Part HT45F5Q-2
Description Charger Flash MCU
Feature HT45F5Q-2; Charger Flash MCU HT45F5Q-2 Revision: V1.10 Date: November 04, 2019 HT45F5Q-2 Charger Flash MCU Ta.
Manufacture Holtek Semiconductor
Datasheet
Download HT45F5Q-2 Datasheet




Holtek Semiconductor HT45F5Q-2
Charger Flash MCU
HT45F5Q-2
Revision: V1.10 Date: November 04, 2019



Holtek Semiconductor HT45F5Q-2
HT45F5Q-2
Charger 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
Operating Voltage Characteristics ......................................................................................... 10
Standby Current Characteristics............................................................................................ 10
Operating Current Characteristics...........................................................................................11
A.C. Characteristics.........................................................................................11
High Speed Internal Oscillator – HIRC – Frequency Accuracy...............................................11
Low Speed Internal Oscillator Characteristics – LIRC............................................................11
System Start Up Time Characteristics .................................................................................. 12
Input/Output Characteristics......................................................................... 12
Memory Characteristics................................................................................. 13
LVR Electrical Characteristics....................................................................... 13
A/D Converter Electrical Characteristics...................................................... 13
D/A Converter Electrical Characteristics...................................................... 14
OPA Characteristics ...................................................................................... 14
Power-on Reset Characteristics.................................................................... 15
System Architecture....................................................................................... 15
Clocking and Pipelining.......................................................................................................... 15
Program Counter.................................................................................................................... 16
Stack...................................................................................................................................... 17
Arithmetic and Logic Unit – ALU............................................................................................ 17
Flash Program Memory.................................................................................. 18
Structure................................................................................................................................. 18
Special Vectors...................................................................................................................... 18
Look-up Table......................................................................................................................... 18
Table Program Example......................................................................................................... 19
In Circuit Programming – ICP................................................................................................ 20
On-Chip Debug Support – OCDS.......................................................................................... 20
Data Memory................................................................................................... 21
Structure................................................................................................................................. 21
General Purpose Data Memory............................................................................................. 22
Special Purpose Data Memory.............................................................................................. 22
Rev. 1.10
2 November 04, 2019



Holtek Semiconductor HT45F5Q-2
HT45F5Q-2
Charger Flash MCU
Special Function Register Description......................................................... 23
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 23
Memory Pointers – MP0, MP1............................................................................................... 23
Bank Pointer – BP.................................................................................................................. 24
Accumulator – ACC................................................................................................................ 24
Program Counter Low Register – PCL................................................................................... 24
Look-up Table Registers – TBLP, TBLH................................................................................. 24
Status Register – STATUS..................................................................................................... 25
EEPROM Data Memory................................................................................... 27
EEPROM Data Memory Structure......................................................................................... 27
EEPROM Registers............................................................................................................... 27
Reading Data from the EEPROM.......................................................................................... 28
Writing Data to the EEPROM................................................................................................. 29
Write Protection...................................................................................................................... 29
EEPROM Interrupt................................................................................................................. 29
Programming Considerations................................................................................................. 29
Oscillators....................................................................................................... 30
Oscillator Overview................................................................................................................ 30
System Clock Configurations................................................................................................. 31
High Speed Internal RC Oscillator – HIRC............................................................................ 31
Internal 32kHz Oscillator – LIRC............................................................................................ 31
Operating Modes and System Clocks.......................................................... 32
System Clocks....................................................................................................................... 32
System Operation Modes....................................................................................................... 33
Control Registers................................................................................................................... 34
Operating Mode Switching..................................................................................................... 35
Standby Current Considerations............................................................................................ 39
Wake-up................................................................................................................................. 39
Watchdog Timer.............................................................................................. 40
Watchdog Timer Clock Source............................................................................................... 40
Watchdog Timer Control Register.......................................................................................... 40
Watchdog Timer Operation.................................................................................................... 41
Reset and Initialisation................................................................................... 42
Reset Functions..................................................................................................................... 42
Reset Initial Conditions.......................................................................................................... 44
Input/Output Ports.......................................................................................... 46
Pull-high Resistors................................................................................................................. 47
Port A Wake-up...................................................................................................................... 47
I/O Port Control Registers...................................................................................................... 48
Pin-shared Functions............................................................................................................. 48
I/O Pin Structures................................................................................................................... 51
Programming Considerations................................................................................................. 52
Rev. 1.10
3 November 04, 2019







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