Flash MCU. BS83B24C Datasheet

BS83B24C MCU. Datasheet pdf. Equivalent

BS83B24C Datasheet
Recommendation BS83B24C Datasheet
Part BS83B24C
Description Touch Flash MCU
Feature BS83B24C; Touch Flash MCU BS83B24C/BS83C40C Revision: V1.00 Date: �F�e�br��u�a�r�y�0��7,���2�0�1�8 BS83B24C/B.
Manufacture Holtek Semiconductor
Datasheet
Download BS83B24C Datasheet




Holtek Semiconductor BS83B24C
Touch Flash MCU
BS83B24C/BS83C40C
Revision: V1.00 Date: �F�e�br��u�a�r�y�0��7,���2�0�1�8



Holtek Semiconductor BS83B24C
BS83B24C/BS83C40C
Touch Flash MCU
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 6
General Description.......................................................................................... 7
Selection Table.................................................................................................. 7
Block Diagram................................................................................................... 8
Pin Assignment................................................................................................. 8
Pin Description................................................................................................. 9
Absolute Maximum Ratings........................................................................... 17
D.C. Characteristics........................................................................................ 18
Operating Voltage Characteristics.......................................................................................... 18
Standby Current Characteristics............................................................................................ 18
Operating Current Characteristics.......................................................................................... 19
A.C. Characteristics........................................................................................ 20
High Speed Internal Oscillator – HIRC – Frequency Accuracy.............................................. 20
Low Speed Internal Oscillator Characteristics – LIRC........................................................... 20
Low Speed Crystal Oscillator Characteristics – LXT.............................................................. 20
Operating Frequency Characteristic Curves.......................................................................... 21
System Start Up Time Characteristics................................................................................... 21
Input/Output Characteristics......................................................................... 22
Memory Characteristics................................................................................. 23
LVR Electrical Characteristics....................................................................... 23
Power-on Reset Characteristics.................................................................... 23
System Architecture....................................................................................... 24
Clocking and Pipelining.......................................................................................................... 24
Program Counter.................................................................................................................... 25
Stack...................................................................................................................................... 25
Arithmetic and Logic Unit – ALU............................................................................................ 26
Flash Program Memory.................................................................................. 27
Structure................................................................................................................................. 27
Special Vectors...................................................................................................................... 27
Look-up Table ........................................................................................................................ 27
Table Program Example......................................................................................................... 28
In Circuit Programming – ICP................................................................................................ 29
On-Chip Debug Support – OCDS.......................................................................................... 30
Data Memory................................................................................................... 31
Structure................................................................................................................................. 31
Data Memory Addressing....................................................................................................... 32
General Purpose Data Memory............................................................................................. 32
Special Purpose Data Memory.............................................................................................. 32
Rev. 1.00
2 February 07, 2018



Holtek Semiconductor BS83B24C
BS83B24C/BS83C40C
Touch Flash MCU
Special Function Register Description......................................................... 35
Indirect Addressing Registers – IAR0, IAR1, IAR2................................................................ 35
Memory Pointers – MP0, MP1L, MP1H, MP2L, MP2H.......................................................... 35
Accumulator – ACC ............................................................................................................... 36
Program Counter Low Register – PCL .................................................................................. 37
Look-up Table Registers – TBLP, TBHP, TBLH ..................................................................... 37
Status Register – STATUS..................................................................................................... 37
EEPROM Data Memory................................................................................... 39
EEPROM Data Memory Structure......................................................................................... 39
EEPROM Registers............................................................................................................... 39
Reading Data from the EEPROM.......................................................................................... 40
Writing Data to the EEPROM................................................................................................. 41
Write Protection...................................................................................................................... 41
EEPROM Interrupt................................................................................................................. 41
Programming Considerations................................................................................................. 41
Oscillators....................................................................................................... 43
Oscillator Overview................................................................................................................ 43
System Clock Configurations................................................................................................. 43
Internal RC Oscillator – HIRC................................................................................................ 44
External 32.768kHz Crystal Oscillator – LXT......................................................................... 44
Internal 32kHz Oscillator – LIRC............................................................................................ 45
Operating Modes and System Clocks.......................................................... 46
System Clocks....................................................................................................................... 46
System Operation Modes....................................................................................................... 47
Control Registers................................................................................................................... 48
Operating Mode Switching..................................................................................................... 50
Standby Current Considerations............................................................................................ 54
Wake-up................................................................................................................................. 54
Watchdog Timer.............................................................................................. 55
Watchdog Timer Clock Source............................................................................................... 55
Watchdog Timer Control Register.......................................................................................... 55
Watchdog Timer Operation.................................................................................................... 56
Reset and Initialisation .................................................................................. 57
Reset Functions..................................................................................................................... 57
Reset Initial Conditions ......................................................................................................... 60
Input/Output Ports ......................................................................................... 65
Pull-high Resistors................................................................................................................. 66
Port A Wake-up...................................................................................................................... 66
I/O Port Control Registers...................................................................................................... 67
I/O Port Source Current Control............................................................................................. 67
Pin-shared Functions............................................................................................................. 69
I/O Pin Structures................................................................................................................... 75
Programming Considerations ................................................................................................ 75
Rev. 1.00
3 February 07, 2018







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