PIC16F886 8-Bit Microcontroller IC

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Description

PIC16F886 is a MICROCHIP TECHNOLOGY microcontroller from the 'PIC16F' series. It's an 8-Bit CMOS Microcontroller with nano-Watt Technology. Because of its functionality and low cost, this microcontroller is popular among amateurs and engineers.

Because of its rapid flash memory rewrite cycle, the PIC16F886 is an excellent microcontroller for testing and creating applications. There are also a variety of instructional and support resources available online. The controller features 16KBytes of flash memory, which is sufficient for a wide range of applications. With 24 programmable input/output pins designed to handle 20mA current (direct LED driving capabilities), the system can readily communicate with a wide range of peripherals. With the Watchdog timer configured to automatically reset in the event of a mistake, the controller may be used to construct permanent installation applications.


Special Microcontroller Features 

  • Precision Internal Oscillator:

 - Factory calibrated to ±1% 

- Software selectable frequency range of 8 MHz to 31 kHz 

- Software tunable 

- Two-Speed Start-up mode 

- Crystal fails to detect critical applications

 - Clock mode switching during operation for power savings

  • Power-Saving Sleep mode
  • Wide operating voltage range (2.0V-5.5V) 
  • Industrial and Extended Temperature range 
  • Power-on Reset (POR) 
  • Power-up Timer (PWRT) and Oscillator Start-up Timer (OST) 
  • Brown-out Reset (BOR) with software control option 
  • Enhanced low-current Watchdog Timer (WDT) with an on-chip oscillator (software selectable nominal 268 seconds with full Prescaler) with software enable 
  • Multiplexed Master Clear with pull-up/input pin 
  • Programmable code protection 
  • High Endurance Flash/EEPROM cell:
-100,000 write Flash endurance
- 1,000,000 write EEPROM endurance 
- Flash/Data EEPROM retention: > 40 years 
  • Program memory Read/Write during run time 
  • In-Circuit Debugger (onboard)


Device 

Flash (words)

SRAM

(bytes)

EEPROM(bytes)

I/O

10-bit A/D (ch)

ECCP/ CCP

EUSART

MSSP

Comparators

Timers Flash 8/16-bit

PIC16F886

8192

368

256

24

11

1/1

1

1

2

2/1



 PIC16F886 Pin Configuration

PIC16F886 is a 28 pin IC and each pin can perform multiple functions as shown in the above PIC16F886 pin diagram. The description for each of these pins is given below.

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





Specifications

CPU

8-bit

Programmable pins

24

Total pins

28

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]

Analog Comparators

2

PWM channels

4

External Oscillator

Up to 20MHz

CPU Speed

1MIPS @ 1MHz

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

Package

PDIP28
Dimensions 35mm x 8.8mm x 3.3mm

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