Flash MCU. BS84B06A-3 Datasheet

BS84B06A-3 MCU. Datasheet pdf. Equivalent

BS84B06A-3 Datasheet
Recommendation BS84B06A-3 Datasheet
Part BS84B06A-3
Description Touch A/D Flash MCU
Feature BS84B06A-3; Touch A/D Flash MCU BS84B06A-3 Revision: V1.40 Date: �F�e�br��u�a�r�y�0��5,���2�0�1�8 BS84B06A-3 To.
Manufacture Holtek Semiconductor
Datasheet
Download BS84B06A-3 Datasheet




Holtek Semiconductor BS84B06A-3
Touch A/D Flash MCU
BS84B06A-3
Revision: V1.40 Date: �F�e�br��u�a�r�y�0��5,���2�0�1�8



Holtek Semiconductor BS84B06A-3
BS84B06A-3
Touch A/D Flash MCU
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 6
General Description.......................................................................................... 7
Block Diagram................................................................................................... 7
Pin Assignment................................................................................................. 8
Pin Descriptions............................................................................................... 9
Absolute Maximum Ratings........................................................................... 10
D.C. Characteristics........................................................................................ 10
A.C. Characteristics........................................................................................ 12
Sensor Oscillator Electrical Characteristics................................................ 13
A/D Converter Electrical Characteristics...................................................... 17
Power-on Reset Characteristics ................................................................... 17
System Architecture....................................................................................... 18
Clocking and Pipelining.......................................................................................................... 18
Program Counter.................................................................................................................... 19
Stack...................................................................................................................................... 20
Arithmetic and Logic Unit – ALU............................................................................................ 20
Flash Program Memory.................................................................................. 21
Structure................................................................................................................................. 21
Special Vectors...................................................................................................................... 21
Look-up Table......................................................................................................................... 21
Table Program Example......................................................................................................... 22
In Circuit Programming.......................................................................................................... 23
On-Chip Debug Support – OCDS.......................................................................................... 24
RAM Data Memory.......................................................................................... 24
Structure................................................................................................................................. 24
Special Function Register Description......................................................... 25
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 25
Memory Pointers – MP0, MP1............................................................................................... 27
Bank Pointer – BP.................................................................................................................. 28
Accumulator – ACC................................................................................................................ 28
Program Counter Low Register – PCL................................................................................... 28
Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 28
Status Register – STATUS..................................................................................................... 29
Rev. 1.40
2 February 05, 2018



Holtek Semiconductor BS84B06A-3
BS84B06A-3
Touch A/D Flash MCU
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
Oscillator......................................................................................................... 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 Register..................................................................................................................... 39
Operating Mode Switching .................................................................................................... 40
NORMAL Mode to SLOW Mode Switching............................................................................ 41
SLOW Mode to NORMAL Mode Switching ........................................................................... 41
Entering the SLEEP Mode..................................................................................................... 43
Entering the IDLE0 Mode....................................................................................................... 43
Entering the IDLE1 Mode....................................................................................................... 43
Standby Current Considerations............................................................................................ 44
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.......................................................................................................... 49
Input/Output Ports.......................................................................................... 52
I/O Register List..................................................................................................................... 52
Pull-high Resistors................................................................................................................. 52
Port A Wake-up...................................................................................................................... 53
I/O Port Control Registers...................................................................................................... 54
Source Current Selection....................................................................................................... 55
I/O Pin Structures................................................................................................................... 56
Programming Considerations................................................................................................. 57
Rev. 1.40
3 February 05, 2018







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