Decode Microcontroller Microchip PIC16F870

Decode Microcontroller Microchip PIC16F870

Through understand the structure of MCU can provide more benefit to Decode Microcontroller Microchip PIC16F870:

High-performance RISC CPU

· Only 35 single word instructions to learn

· All single cycle instructions except for program branches which are two cycle

· Operating speed: DC – 20 MHz clock input DC – 200 ns instruction cycle

· 2K x 14 words of FLASH Program Memory

128 x 8 bytes of Data Memory (RAM)

64 x 8 bytes of EEPROM Data Memory

· Pinout compatible to the PIC16CXXX 28 and 40-pin devices

· Interrupt capability (up to 11 sources)

· Eight level deep hardware stack

· Direct, indirect and relative addressing modes

· Power-on Reset (POR)

· Power-up Timer (PWRT) and

Decode Microcontroller Microchip PIC16F870

Decode Microcontroller Microchip PIC16F870

Oscillator Start-up Timer (OST)

· Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation

· Programmable code-protection

· Power saving SLEEP mode

· Selectable oscillator options

· Low-power, high-speed CMOS FLASH/EEPROM technology

· Fully static design

· In-Circuit Serial Programming™ (ICSP) via two pins

· Single 5V In-Circuit Serial Programming capability

· In-Circuit Debugging via two pins

· Processor read/write access to program memory

· Wide operating voltage range: 2.0V to 5.5V

· High Sink/Source Current: 25 mA

· Commercial and Industrial temperature ranges

· Low-power consumption:

– < 1.6 mA typical @ 5V, 4 MHz

– 20 µA typical @ 3V, 32 kHz

< 1 µA typical standby current

 

Peripheral Features:

· Timer0: 8-bit timer/counter with 8-bit prescaler

· Timer1: 16-bit timer/counter with prescaler, can be incremented during sleep via external crystal/clock

· Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler

· One Capture, Compare, PWM module

– Capture is 16-bit, max. resolution is 12.5 ns

– Compare is 16-bit, max. resolution is 200 ns

– PWM max. resolution is 10-bit

· 10-bit multi-channel Analog-to-Digital converter

· Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) with 9-bit address detection

· Parallel Slave Port (PSP) 8-bits wide, with external RD, WR and CS controls (40/44-pin only)

· Brown-out detection circuitry for

Brown-out Reset (BOR)