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PIC16F874A-I/P - PIC16F874A Flash 40-pin 4kB Microcontroller with A/D - Buy PIC16F874A-I/P


Photograph
PIC16F874A-I/P - PIC16F874A Flash 40-pin 4kB 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

    - 4 kBytes Flash Program Memory

    - 192 Byte RAM Data Memory

    - 128 Byte EEPROM Data Memory

    - In-circuit Serial Programming

    - Interrupt Capability (up to 10 sources)

Peripheral Features

    - Two 8-bit timer/counter(TMR0, TMR2) with 8-bit programmable prescalar

    - One 16 bit timer/counter (TMR1)

    - High current source/sink for direct LED drive

    - Watchdog Timer (WDT) with Separate RC Oscillator

    - Two Capture, Compare, PWM Modules

    - Synchronous Serial Port with SPI and I²C

    - Eight Channel, 10-bit Analog to Digital Converter

    - Universal Synchronous Asynchronous Receiver Transmitter (USART)

Special Microcontroller Features

    - Power-On Reset

    - Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST)

    - 1,000 erase/write cycls Enhanced Flash Program Memory

    - 1,000,000 typical erase/write cycles EEPROM Data Memory

    - Selectable Oscillator Options

CMOS Technology

    - Low power, high speed CMOS FLASH technology

    - Fully Static Design

    - Low Power Consumption

I/O and Packages

    - 33 I/O pins with individual direction control

    - 40-pin DIP


Pin Description
Pin Number Description
1 MCLR/VPP - Master Clear Input
2 RA0/AN0 - Port A
3 RA1/AN1 - Port A
4 RA2/AN2/VREF-/CVREF - Port A
5 RA3/AN3/VREF+ - Port A
6 RA4/T0CKI/C1OUT - Port A
7 RA5/AN4/SS/C2OUT - Port A
8 RE0/RD/AN5 - Port E
9 RE1/WR/AN6 - Port E
10 RE2/CS/AN7 - Port E
11 Vdd - Positive Power Supply
12 Vss - Ground
13 OSC1/CLKI - Oscillator Input
14 OSC2/CLKO - Oscillator Output
15 RC0/T1OSO/T1CKI - Port C
16 RC1/T1OSI/CCP2 - Port C
17 RC2/CCP1 - Port C
18 RC3/SCK/SCL - Port C
19 RD0/PSP0 - Port D
20 RD1/PSP1 - Port D
21 RD2/PSP2 - Port D
22 RD3/PSP3 - Port D
23 RC4/SDI/SDA - Port C
24 RC5/SDO - Port C
25 RC6/TX/CK - Port C
26 RC7/RX/DT - Port C
27 RD4/PSP4 - Port D
28 RD5/PSP5 - Port D
29 RD6/PSP6 - Port D
30 RD7/PSP7 - Port D
31 Vss - Ground
32 Vdd - Positive Power Supply
33 RB0/INT - Port B
34 RB1 - Port B
35 RB2 - Port B
36 RB3/PGM - Port B
37 RB4 - Port B
38 RB5 - Port B
39 RB6/PGC - Port B
40 RB7/PGD - Port B
Pin Layout
PIC16F874A Pin Layout

Dimensional Drawing
PDIP40 Dimension Drawing

Technical Data

Data Sheet

Microchip - Data Sheet for PIC16F874A Datasheet

Application Notes

Microchip - Application Notes for PIC16F874A Datasheet



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