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PIC16F57 28-Pin 20MHz 2kB Microcontroller Datasheet

Photograph
PIC16F57-I/P - PIC16F57 Flash 28-pin 20MHz 2kB Microcontroller

Features
  • High-Performance RISC CPU
    • - Only 35 single word instructions to learn
    • - All instructions are single cycle (1µs) except for program branches
    • - Operating speed: DC - 20MHz clock input
    • - 2K Flash Program Memory
    • - 72 Byte RAM Data Memory
    • - In-circuit Serial Programming
  • Peripheral Features
    • - 8-bit timer/counter(TMR0) with 8-bit programmable prescalar
    • - High current source/sink for direct LED drive
    • - Watchdog Timer (WDT) with separate RC oscillator
  • Special Microcontroller Features
    • - Power-On Reset
    • - Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST)
    • - Brown-out Detect (BOD)
    • - Selectable Oscillator Options
  • CMOS Technology
    • - Low power, high speed CMOS FLASH technology
    • - Fully Static Design
    • - Low Power Consumption
    •    170µA @ 2V, 4MHz
    •    15µA typical @ 2V, 32kHz
    •    < 500nA typical standby current
  • I/O and Packages
    • - 20 I/O pins with individual direction control
    • - 28-pin DIP

Pin Layout
PIC16F57 Pin Layout

Pin Description
Pin Number Description
1 TOCK1 - Clock 1 Input
2 Vdd - Positive Power Supply
3 NC - Not Connected
4 Vss - Ground
5 NC - Not Connected
6 RA0 - Port A
7 RA1 - Port A
8 RA2 - Port A
9 RA3 - Port A
10 RB0 - Port B
11 RB1 - Port B
12 RB2 - Port B
13 RB3 - Port B
14 RB4 - Port B
15 RB5 - Port B
16 RB6 - Port B
17 RB7 - Port B
18 RC0 - Port C
19 RC1 - Port C
20 RC2 - Port C
21 RC3 - Port C
22 RC4 - Port C
23 RC5 - Port C
24 RC6 - Port C
25 RC7 - Port C
26 OSC2 - Oscillator Output
27 OCS1 - Oscillator Input
28 MCLR - Master Reset

Dimensional Drawing
PIC16F57 IC Dimensional Drawing