Flash MCU. BA45FH0082 Datasheet

BA45FH0082 MCU. Datasheet pdf. Equivalent

BA45FH0082 Datasheet
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Part BA45FH0082
Description Networking Fire Protection Flash MCU
Feature BA45FH0082; Networking Fire Protection Flash MCU BA45FH0082 Revision: V1.00 Date: �Au�g�u��s�t�1��5,���2�0�1�7 .
Manufacture Holtek Semiconductor
Datasheet
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Holtek Semiconductor BA45FH0082
Networking Fire Protection Flash MCU
BA45FH0082
Revision: V1.00 Date: �Au�g�u��s�t�1��5,���2�0�1�7



Holtek Semiconductor BA45FH0082
BA45FH0082
Networking Fire Protection Flash MCU
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 6
Two Line Power Line Data Transceiver Features.................................................................... 6
General Description.......................................................................................... 7
Block Diagram................................................................................................... 8
Pin Assignment................................................................................................. 9
Pin Description............................................................................................... 10
Internally Connected Pins.......................................................................................................11
Absolute Maximum Ratings........................................................................... 12
D.C. Characteristics........................................................................................ 12
Operating Voltage Characteristics.......................................................................................... 12
Standby Current Characteristics............................................................................................ 13
Operating Current Characteristics.......................................................................................... 13
A.C. Characteristics........................................................................................ 14
High Speed Internal Oscillator – HIRC – Frequency Accuracy.............................................. 14
Low Speed Internal Oscillator Characteristics – LIRC........................................................... 14
Operating Frequency Characteristic Curves.......................................................................... 15
System Start Up Time Characteristics................................................................................... 15
Input/Output Characteristics......................................................................... 16
Memory Characteristics................................................................................. 16
LVD/LVR Electrical Characteristics............................................................... 17
Reference Voltage Electrical Characteristics............................................... 17
A/D Converter Electrical Characteristics...................................................... 18
Power Line Data Transceiver Electrical Characteristics............................. 18
Power-on Reset Characteristics.................................................................... 19
System Architecture....................................................................................... 20
Clocking and Pipelining.......................................................................................................... 20
Program Counter.................................................................................................................... 21
Stack...................................................................................................................................... 21
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.......................................................................................... 25
Rev. 1.00
2 August 15, 2017



Holtek Semiconductor BA45FH0082
BA45FH0082
Networking Fire Protection Flash MCU
Data Memory................................................................................................... 26
Structure................................................................................................................................. 26
General Purpose Data Memory............................................................................................. 27
Special Purpose Data Memory.............................................................................................. 27
Special Function Register Description......................................................... 28
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 28
Memory Pointers – MP0, MP1............................................................................................... 28
Bank Pointer – BP.................................................................................................................. 29
Accumulator – ACC ............................................................................................................... 29
Program Counter Low Register – PCL .................................................................................. 29
Look-up Table Registers – TBLP, TBHP, TBLH ..................................................................... 29
Status Register – STATUS .................................................................................................... 30
EEPROM Data Memory................................................................................... 31
EEPROM Data Memory Structure......................................................................................... 31
EEPROM Registers............................................................................................................... 31
Reading Data from the EEPROM.......................................................................................... 33
Writing Data to the EEPROM................................................................................................. 33
Write Protection...................................................................................................................... 33
EEPROM Interrupt................................................................................................................. 33
Programming Considerations................................................................................................. 34
Oscillators....................................................................................................... 35
Oscillator Overview................................................................................................................ 35
System Clock Configurations ................................................................................................ 35
Internal RC Oscillator – HIRC ............................................................................................... 36
Internal 32kHz Oscillator – LIRC............................................................................................ 36
Operating Modes and System Clocks.......................................................... 36
System Clocks....................................................................................................................... 36
System Operation Modes....................................................................................................... 37
Control Registers................................................................................................................... 38
Operating Mode Switching..................................................................................................... 40
Standby Current Considerations............................................................................................ 43
Wake-up................................................................................................................................. 44
Watchdog Timer.............................................................................................. 45
Watchdog Timer Clock Source............................................................................................... 45
Watchdog Timer Control Register.......................................................................................... 45
Watchdog Timer Operation.................................................................................................... 46
Reset and Initialisation .................................................................................. 47
Reset Functions..................................................................................................................... 47
Reset Initial Conditions ......................................................................................................... 50
Input/Output Ports ......................................................................................... 53
Pull-high Resistors................................................................................................................. 53
Port A Wake-up...................................................................................................................... 54
Rev. 1.00
3 August 15, 2017







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