PIC Microcontroller 16F874/877A Pin Details

PIC Microcontroller:  

  • 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
  • Up to 8K x 14 words of Flash Program Memory, Up to 368 x 8 bytes of Data Memory (RAM)
  • Up to 256 x 8 bytes of EEPROM Data Memory
  • Pinout compatible to other 28-pin or 40/44-pin PIC16CXXX and PIC16FXXX microcontroller using projects.SRE1

Peripheral Features:

  1. Timer0: 8-bit timer/counter with 8-bit prescaler
  2. Timer1: 16-bit timer/counter with prescaler,can be incremented during Sleep via external crystal/clock
  3. Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler
  4. Two Capture, Compare, PWM modules
  5.  Capture is 16-bit, max. resolution is 12.5 ns
  6. Compare is 16-bit, max. resolution is 200 ns
  7. PWM max. resolution is 10-bit
  8. Synchronous Serial Port (SSP) with SPI™ (Master mode) and I2C™ (Master/Slave)
  9. Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) with 9-bit address Detection
  10. Parallel Slave Port (PSP) – 8 bits wide with external RD, WR and CS controls (40/44-pin only)
  11. Brown-out detection circuitry for Brown-out Reset (BOR)

Analog Features:

  • 10-bit, up to 8-channel Analog-to-Digital Converter (A/D)
  •  Brown-out Reset (BOR)
  • Analog Comparator module with:
  • Two analog comparators
  • Programmable on-chip voltage reference (VREF) module
  • Programmable input multiplexing from device inputs and internal voltage reference
  •  Comparator outputs are externally accessible.

Special Microcontroller Features:

  • 100,000 erase/write cycle Enhanced Flash program memory typical
  • 1,000,000 erase/write cycle Data EEPROM memory typical
  • Data EEPROM Retention > 40 years
  •  Self-reprogrammable under software control
  • In-Circuit Serial Programming™ (ICSP™) via two pins
  •  Single-supply 5V In-Circuit Serial Programming
  • Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation
  • Programmable code protection
  • Power saving Sleep mode
  • Selectable oscillator options

In-Circuit Debug (ICD) via two pins.

CMOS Technology:

  • Low-power, high-speed Flash/EEPROM technology
  • Fully static design
  • Wide operating voltage range (2.0V to 5.5V)
  • Commercial and Industrial temperature ranges
  • Low-power consumption.

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