PIC16F870

Features:

• 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 Oscillator Start-up Timer (OST)
• Selectable oscillator options
• Low-power, high-speed CMOS FLASH/EEPROM technology
• Fully static design
• In-Circuit Serial Programmingä (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: 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





Pinout






Specifications

Parameter Name	Value
Program Memory Type	Flash
Program Memory (KB)	3.5
CPU Speed (MIPS)	5
RAM Bytes	128
Data EEPROM (bytes)	64
Digital Communication Peripherals	1-A/E/USART,
Capture/Compare/PWM Peripherals	1 CCP
Timers	2 x 8-bit, 1 x 16-bit
ADC	5 ch, 10-bit
Temperature Range (C)	-40 to 125
Operating Voltage Range (V)	2 to 5.5
Pin Count	28

Description

This powerful (200 nanosecond instruction execution) yet easy-to-program (only 35 single word instructions) CMOS FLASH-based 8-bit microcontroller packs Microchip's powerful PIC? architecture into an 28-pin package and is upwards compatible with the PIC16C5X, PIC12CXXX and PIC16C7X devices. The PIC16F870 features 64 bytes of EEPROM data memory, self programming, an ICD, 5 channels of 10-bit Analog-to-Digital (A/D) converter, 2 additional timers, a capture/compare/PWM functions and a Universal Asynchronous Receiver Transmitter (USART). All of these features make it ideal for more advanced level A/D applications in automotive, industrial, appliances and consumer applications.