BC48R2020 Datasheet, PDF (2/67 Pages) Holtek Semiconductor Inc – 315/433MHz Remote RF TX 8-Bit OTP MCU

BC48R2020
315/433MHz Remote RF TX 8-Bit OTP MCU
Table of Contents
Features................................................................................................................. 5
CPU Features...............................................................................................................................5
Peripheral Features.......................................................................................................................5
RF Transmitter Features...............................................................................................................5
General Description.............................................................................................. 6
Block Diagram....................................................................................................... 7
Pin Assignment..................................................................................................... 7
Pin Description..................................................................................................... 8
Absolute Maximum Ratings................................................................................. 9
D.C. Characteristics.............................................................................................. 9
RF Transmitter Electrical Characteristics........................................................ 10
A.C. Characteristics............................................................................................ 11
Power on Reset Characteristics........................................................................ 11
Functional Description....................................................................................... 12
Two Chip Hardware Considerations............................................................................................12
Two Chip Programming Considerations......................................................................................13
System Architecture........................................................................................... 13
Clocking and Pipelining...............................................................................................................13
Program Counter – PC................................................................................................................14
Stack...........................................................................................................................................15
Arithmetic and Logic Unit – ALU.................................................................................................15
Program Memory................................................................................................ 16
Structure......................................................................................................................................16
Special Vectors...........................................................................................................................16
Look-up Table..............................................................................................................................17
Table Program Example..............................................................................................................17
RAM Data Memory.............................................................................................. 18
Structure......................................................................................................................................18
Special Purpose Data Memory...................................................................................................19
Special Function Registers................................................................................ 20
Indirect Addressing Register – IAR0, IAR1.................................................................................20
Memory Pointers – MP0, MP1 ...................................................................................................20
Accumulator – ACC.....................................................................................................................21
Program Counter Low Register – PCL .......................................................................................21
Look-up Table Registers – TBLP, TBLH .....................................................................................21
Status Register – STATUS .........................................................................................................21
System Control Registers – CTRL0, CTRL1...............................................................................23
Rev. 1.10
2
May 04, 2015