TX/RX MCU. BC66F850 Datasheet

BC66F850 MCU. Datasheet pdf. Equivalent

BC66F850 Datasheet
Recommendation BC66F850 Datasheet
Part BC66F850
Description 2.4GHz Flash RF TX/RX MCU
Feature BC66F850; 2.4GHz Flash RF TX/RX MCU BC66F840/BC66F850/BC66F860 Revision: V1.50 Date: �Ju�l��y�1��2,���2�0�1�7 .
Manufacture Holtek Semiconductor
Datasheet
Download BC66F850 Datasheet




Holtek Semiconductor BC66F850
2.4GHz Flash RF TX/RX MCU
BC66F840/BC66F850/BC66F860
Revision: V1.50 Date: �Ju�l��y�1��2,���2�0�1�7



Holtek Semiconductor BC66F850
BC66F840/BC66F850/BC66F860
2.4GHz Flash RF TX/RX MCU
Table of Contents
Features............................................................................................................. 7
CPU Features.......................................................................................................................... 7
Peripheral Features.................................................................................................................. 7
RF Transceiver Features.......................................................................................................... 8
General Description.......................................................................................... 8
Selection Table.................................................................................................. 9
Block Diagram................................................................................................... 9
Pin Assignment............................................................................................... 10
Pin Descriptions............................................................................................. 13
Absolute Maximum Ratings........................................................................... 19
D.C. Characteristics........................................................................................ 19
A.C. Characteristics........................................................................................ 21
LVD & LVR Electrical Characteristics........................................................... 21
ADC Characteristics....................................................................................... 22
Comparator Electrical Characteristics......................................................... 22
RF Transceiver Electrical Characteristics.................................................... 23
Power on Reset Electrical Characteristics................................................... 24
System Architecture....................................................................................... 25
Clocking and Pipelining.......................................................................................................... 25
Program Counter.................................................................................................................... 26
Stack...................................................................................................................................... 27
Arithmetic and Logic Unit – ALU............................................................................................ 27
Flash Program Memory.................................................................................. 28
Structure................................................................................................................................. 28
Special Vectors...................................................................................................................... 29
Look-up Table......................................................................................................................... 29
Table Program Example......................................................................................................... 29
In Circuit Programming.......................................................................................................... 30
On-Chip Debug Support – OCDS.......................................................................................... 31
RAM Data Memory.......................................................................................... 32
Structure................................................................................................................................. 32
General Purpose Data Memory............................................................................................. 32
Special Purpose Data Memory.............................................................................................. 33
Rev. 1.50
2 July 12, 2017



Holtek Semiconductor BC66F850
BC66F840/BC66F850/BC66F860
2.4GHz Flash RF TX/RX MCU
Special Function Register Description......................................................... 36
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 36
Memory Pointers – MP0, MP1............................................................................................... 36
Bank Pointer – BP.................................................................................................................. 37
Accumulator – ACC................................................................................................................ 38
Program Counter Low Register – PCL................................................................................... 38
Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 38
Status Register – STATUS..................................................................................................... 39
EEPROM Data Memory................................................................................... 41
EEPROM Data Memory Structure......................................................................................... 41
EEPROM Registers............................................................................................................... 41
Reading Data from the EEPROM.......................................................................................... 44
Writing Data to the EEPROM................................................................................................. 44
Write Protection...................................................................................................................... 44
EEPROM Interrupt................................................................................................................. 44
Programming Considerations................................................................................................. 45
Oscillator......................................................................................................... 46
Oscillator Overview................................................................................................................ 46
System Clock Configurations................................................................................................. 46
External Crystal/Ceramic Oscillator – HXT............................................................................ 47
External 32.768kHz Crystal Oscillator – LXT......................................................................... 48
Internal 32kHz Oscillator – LIRC............................................................................................ 49
Supplementary Oscillator....................................................................................................... 49
Operating Modes and System Clocks.......................................................... 50
System Clocks....................................................................................................................... 50
System Operation Modes....................................................................................................... 51
Control Register..................................................................................................................... 52
Fast Wake-up......................................................................................................................... 55
Operating Mode Switching..................................................................................................... 56
Standby Current Considerations............................................................................................ 60
Wake-up................................................................................................................................. 60
Programming Considerations................................................................................................. 61
Watchdog Timer.............................................................................................. 61
Watchdog Timer Clock Source............................................................................................... 61
Watchdog Timer Control Register.......................................................................................... 61
Watchdog Timer Operation.................................................................................................... 63
Reset and Initialisation................................................................................... 64
Reset Functions..................................................................................................................... 64
Reset Initial Conditions.......................................................................................................... 68
Rev. 1.50
3 July 12, 2017







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