PIC16F872-I/SP Microchip Technology Inc., PIC16F872-I/SP Datasheet - Page 8

• Manufacturer Part Number: PIC16F872-I/SP
• Description: 28 PIN, 7 KB FLASH, 128 RAM, 22 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F872-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 5 MIPS
• Eeprom Memory: 64 Bytes
• Input Output: 22
• Interface: I2C/SPI
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 3.5K Bytes
• Ram Size: 128 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F872
TABLE 1-2:
DS30221C-page 6
RB0/INT
RB1
RB2
RB3/PGM
RB4
RB5
RB6/PGC
RB7/PGD
RC0/T1OSO/T1CKI
RC1/T1OSI
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6
RC7
V
V
Legend:
Note 1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
SS
DD
RB0
INT
RB3
PGM
RB6
PGC
RB7
PGD
RC0
T1OSO
T1CKI
RC1
T1OSI
RC2
CCP1
RC3
SCK
SCL
RC4
SDI
SDA
RC5
SDO
Pin Name
2: This buffer is a Schmitt Trigger input when used in Serial Programming mode.
I = input
— = Not used
PIC16F872 PINOUT DESCRIPTION (CONTINUED)
8, 19
Pin#
21
22
23
24
25
26
27
28
12
13
14
15
16
17
18
20
11
O = output
TTL = TTL input
I/O/P
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
P
P
TTL/ST
TTL/ST
TTL/ST
Buffer
Type
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
—
—
(1)
(2)
(2)
I/O = input/output
ST = Schmitt Trigger input
PORTB is a bi-directional I/O port. PORTB can be software
programmed for internal weak pull-up on all inputs.
PORTC is a bi-directional I/O port.
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
Digital I/O.
External interrupt pin.
Digital I/O.
Digital I/O.
Digital I/O.
Low voltage ICSP programming enable pin.
Digital I/O.
Digital I/O.
Digital I/O.
In-Circuit Debugger and ICSP programming clock.
Digital I/O.
In-Circuit Debugger and ICSP programming data.
Digital I/O.
Timer1 oscillator output.
Timer1 clock input.
Digital I/O.
Timer1 oscillator input.
Digital I/O.
Capture1 input/Compare1 output/PWM1 output.
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I
Digital I/O.
SPI Data In pin (SPI mode).
SPI Data I/O pin (I
Digital I/O.
SPI Data Out pin (SPI mode).
Digital I/O.
Digital I/O.
2
C mode).
Description
© 2006 Microchip Technology Inc.
P = power
2
C mode.