PIC16F886 – 8 Bit Microcontroller, Pinout Diagram, Features & Datasheet

Pin Number

Pin Name

Description

1

RE3/MCLR/VPP

RE3: Pin3 of  Port E

MCLR: Master Clear Input or Reset pin

VPP: Programming voltage

2

RA0/AN0/ULPWU/C12IN0-

RA0: Pin0 of Port A

AN0: Analog input 0

ULPWU: Ultra Low-Power Wake-up input

C12IN0-: Comparator C1 or C2 negative input

3

RA1/AN1/C12IN1-

RA1: Pin1 of Port A

AN1: Analog input 1

C12IN1-: Comparator C1 or C2 negative input

4

RA2/AN2/VREF-/CVREF/C2IN+

RA2: Pin2 of Port A

AN2: Analog input 2

VREF-: A/D reference voltage (low) input

CVREF: Comparator voltage reference output

C2IN+: Comparator C2 positive input

5

RA3/AN3/VREF+/C1IN+

RA3: Pin3 of Port A

AN3: Analog input 3

VREF+: A/D reference voltage (high) input

C1IN+: Comparator C1 positive input

6

RA4/T0CKI/C1OUT

RA4: Pin4 of Port A

T0CKI: Timer0 external clock input

C1OUT: Comparator C1 output

7

RA5/AN4/SS/ C2OUT

RA5: Pin5 of Port A

AN4: Analog input 4

SS: SPI slave select input

C2OUT: Comparator C2 output

8

VSS

Ground

9

RA7/OSC1/CLKIN

RA7: Pin7 of Port A

OSC1:Oscillator pin 1

CLKI: External clock source input

10

RA6/OSC2/CLKOUT

RA6: Pin6 of Port A

OSC2: Oscillator pin 2

CLKO: Clock source output

11

RC0/T1OSO/T1CKI

RC0: Pin0 of Port C

T1OSO :Timer1 oscillator output

T1CKI: Timer1 external clock input

12

RC1/T1OSI/CCP2

RC1: Pin1 of Port C

T1OSI: Timer1 oscillator input

CCP2:Capture 2 input/Compare 2 output/PWM2 output

13

RC2/P1A/CCP1

RC2: Pin2 of Port C

P1A: PWM output

CCP1: Capture 1 input/Compare 1 output/PWM1 output.

14

RC3/SCK/SCL

RC3: Pin3 of Port C

SCK: SPI clock

SCL: I2C clock

15

RC4/SDI/SDA

RC4: Pin4 of Port C

SDI: SPI data input

SDA: I2C data I/O

16

RC5/SDO

RC5: Pin5 of Port C

SDO: SPI data out

17

RC6/TX/CK

RC6: Pin6 of Port C

TX: EUSART asynchronous transmit

CK: EUSART synchronous clock

18

RC7/RX/DT

RC7: Pin7 of Port C

RX: EUSART asynchronous receive

DT: EUSART synchronous data

19

VSS

Ground

20

VDD

Positive Power Supply

21

RB0/AN12/INT

RB0: Pin0 of Port B

AN12: Analog input 12

INT: External interrupt

22

RB1/AN10/P1C/C12IN3-

RB1: Pin1 of Port B

AN10: Analog input 10

P1W: PWM output

C12IN3-: Comparator C1 or C2 negative input

23

RB2/AN8/P1B

RB2: Pin2 of Port B

AN8: Analog input 8

P1B: PWM output

24

RB3/AN9/PGM/C12IN2-

RB3: Pin3 of Port B

AN9: Analog input 9

PGM: Low-voltage ICSP Programming enable pin

C12IN2-: Comparator C1 or C2 negative input

25

RB4/AN11/P1D

RB4: Pin4 of Port B

AN11: Analog input 11

P1D: PWM output

26

RB5/AN13/T1G

RB5 Pin5 of Port B

AN13: Analog input 13

T1G: Timer1 Gate input

27

RB6/ICSPCLK

RB6: Pin6 of Port B

ICSPCLK: Serial Programming Clock

28

RB7/ICSPDAT

RB7: Pin7 of Port B

ICSPDAT: ICSP Data I/O

CPU

8-bit

Total pins

28

Programmable pins

24

Communication Interface

SPI Serial Interface(7,14,15,16 PINS) [Can be used for programming this controller]

UART Interface(17,18 PINS) [Can be used for programming this controller]

Two-wire Serial Interface or I2C(14,15 PINS) [Can be used to connect sensors and LCDs]

ICSP or In-Circuit Serial Programming Interface (27,28 Pins) [Can be used for programming this controller]

ADC Feature

11channels of 10-bit resolution

Timer Feature

One 8-bit counter, Two 16-bit counter

Analog Comparators

2

PWM channels

4

External Oscillator

Up to 20MHz

Internal Oscillator

31KHz-8MHz  Internal R-C Oscillator featured with:

• Factory calibrated to ±1%
• Software selectable frequency range of 8 MHz to 31 kHz
• Software tunable
• Crystal fail detect for critical applications
• Clock mode switching during operation for power savings

Program memory / Flash memory

16Kbytes[100000 write/erase cycles]

CPU Speed

 1MIPS @ 1MHz

RAM

368Bytes

EEPROM

256Bytes

Watchdog Timer

Programmable Watchdog Timer with separate on-chip oscillator

Power Save Modes

Available

Operating Voltage

2.0V to 5.5V

Maximum current to any I/O pin

IN :25mA

OUT : 25mA

Operating Temperature

-40°C to +125°C