Datasheet Holtek BC66F850

2.4GHz 8-Bit Flash RF TX/RX MCU BC66F840/BC66F850/BC66F860 Revision: V1.10 Date: June 11, 2014 BC66F840/BC66F850/BC66F860 2.4GHz 8-Bit 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. 1.10 2 June 11, 2014 BC66F840/BC66F850/BC66F860 2.4GHz 8-Bit 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. 1.10 3 June 11, 2014 BC66F840/BC66F850/BC66F860 2.4GHz 8-Bit Flash RF TX/RX MCU
Input/Output Ports . 72 I/O Resistor Lists . 72 Pull-high Resistors . 74 Port A Wake-up . 74 I/O Port Control Registers . 74 I/O Pin Structures . 74 Programming Considerations. 76 Timer Modules ­ TM . 77 Introduction . 77 …