Flash MCU. BA45F0082 Datasheet

BA45F0082 MCU. Datasheet pdf. Equivalent

BA45F0082 Datasheet
Recommendation BA45F0082 Datasheet
Part BA45F0082
Description Fire Protection Flash MCU
Feature BA45F0082; Fire Protection Flash MCU BA45F0082 Revision: V1.10 Date: November 19, 2019 BA45F0082 Fire Protecti.
Manufacture Holtek Semiconductor
Datasheet
Download BA45F0082 Datasheet




Holtek Semiconductor BA45F0082
Fire Protection Flash MCU
BA45F0082
Revision: V1.10 Date: November 19, 2019



Holtek Semiconductor BA45F0082
BA45F0082
Fire Protection Flash MCU
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 6
General Description.......................................................................................... 7
Block Diagrams................................................................................................. 7
Pin Assignment................................................................................................. 8
Pin Description................................................................................................. 8
Absolute Maximum Ratings........................................................................... 10
D.C. Characteristics........................................................................................ 10
Operating Voltage Characteristics.......................................................................................... 10
Operating Current Characteristics.......................................................................................... 10
Standby Current Characteristics.............................................................................................11
A.C. Characteristics........................................................................................ 12
High Speed Internal Oscillator Frequency Accuracy.............................................................. 12
Low Speed Internal Oscillator Characteristics – LIRC........................................................... 12
Operating Frequency Characteristic Curves.......................................................................... 13
System Start Up Time Characteristics................................................................................... 13
Input/Output Characteristics......................................................................... 14
Memory Characteristics................................................................................. 14
A/D Converter Electrical Characteristics...................................................... 15
Reference Voltage Characteristics................................................................ 15
LVD/LVR Electrical Characteristics............................................................... 15
Power-on Reset Characteristics.................................................................... 16
System Architecture....................................................................................... 17
Clocking and Pipelining.......................................................................................................... 17
Program Counter.................................................................................................................... 18
Stack...................................................................................................................................... 18
Arithmetic and Logic Unit – ALU............................................................................................ 19
Flash Program Memory.................................................................................. 19
Structure................................................................................................................................. 19
Special Vectors...................................................................................................................... 20
Look-up Table......................................................................................................................... 20
Table Program Example......................................................................................................... 20
In Circuit Programming.......................................................................................................... 21
On-Chip Debug Support – OCDS.......................................................................................... 22
Data Memory................................................................................................... 23
Structure................................................................................................................................. 23
General Purpose Data Memory............................................................................................. 23
Special Purpose Data Memory.............................................................................................. 24
Rev. 1.10
2 November 19, 2019



Holtek Semiconductor BA45F0082
BA45F0082
Fire Protection Flash MCU
Special Function Register Description......................................................... 25
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 25
Memory Pointers – MP0, MP1............................................................................................... 25
Bank Pointer – BP.................................................................................................................. 26
Accumulator – ACC................................................................................................................ 26
Program Counter Low Register – PCL................................................................................... 26
Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 26
Status Register – STATUS..................................................................................................... 27
EEPROM Data Memory................................................................................... 29
EEPROM Data Memory Structure......................................................................................... 29
EEPROM Registers............................................................................................................... 29
Reading Data from the EEPROM.......................................................................................... 30
Writing Data to the EEPROM................................................................................................. 31
Write Protection...................................................................................................................... 31
EEPROM Interrupt................................................................................................................. 31
Programming Considerations................................................................................................. 32
Oscillators....................................................................................................... 33
Oscillator Overview................................................................................................................ 33
System Clock Configurations................................................................................................. 33
Internal High Speed RC Oscillator – HIRC............................................................................ 34
Internal 32kHz Oscillator – LIRC............................................................................................ 34
Operating Modes and System Clocks.......................................................... 34
System Clocks....................................................................................................................... 34
System Operation Modes....................................................................................................... 35
Control Registers................................................................................................................... 36
Operating Mode Switching..................................................................................................... 38
Standby Current Considerations............................................................................................ 42
Wake-up................................................................................................................................. 42
Watchdog Timer.............................................................................................. 43
Watchdog Timer Clock Source............................................................................................... 43
Watchdog Timer Control Register.......................................................................................... 43
Watchdog Timer Operation.................................................................................................... 44
Reset and Initialisation................................................................................... 45
Reset Functions..................................................................................................................... 45
Reset Initial Conditions.......................................................................................................... 48
Input/Output Ports.......................................................................................... 51
Pull-high Resistors................................................................................................................. 51
Port A Wake-up...................................................................................................................... 52
I/O Port Control Registers...................................................................................................... 52
Pin-shared Functions............................................................................................................. 53
I/O Pin Structures................................................................................................................... 55
Programming Considerations................................................................................................. 55
Rev. 1.10
3 November 19, 2019







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