PIC16F872-I/SP Microchip Technology Inc., PIC16F872-I/SP Datasheet - Page 7

• 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

TABLE 1-2:
© 2006 Microchip Technology Inc.
OSC1/CLKI
OSC2/CLKO
MCLR/V
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/SS/AN4
Legend:
Note 1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
OSC1
CLKI
OSC2
CLKO
MCLR
V
RA0
AN0
RA1
AN1
RA2
AN2
V
RA3
AN3
V
RA4
T0CKI
RA5
SS
AN4
PP
REF
REF
Pin Name
2: This buffer is a Schmitt Trigger input when used in Serial Programming mode.
-
+
PP
I = input
— = Not used
REF
REF
-
+
PIC16F872 PINOUT DESCRIPTION
Pin#
10
9
1
2
3
4
5
6
7
O = output
TTL = TTL input
I/O/P
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/P
O
I
ST/CMOS Oscillator crystal or external clock input.
Buffer
Type
TTL
TTL
TTL
TTL
TTL
ST
ST
—
I/O = input/output
ST = Schmitt Trigger input
Oscillator crystal or clock output.
Master Clear (input) or programming voltage (output).
PORTA is a bi-directional I/O port.
Digital I/O.
Analog input 0.
Digital I/O.
Analog input 1.
Digital I/O.
Analog input 2.
Negative analog reference voltage.
Digital I/O.
Analog input 3.
Positive analog reference voltage.
Digital I/O; open drain when configured as output.
Timer0 clock input.
Digital I/O.
Slave Select for the Synchronous Serial Port.
Analog input 4.
buffer when configured in RC mode. Otherwise CMOS.
function OSC1 (see OSC2/CLKO pin).
Oscillator crystal input or external clock source input. ST
External clock source input. Always associated with pin
Oscillator crystal output.
Connects to crystal or resonator in Crystal Oscillator
mode.
In RC mode, OSC2 pin outputs CLKO, which has 1/4 the
frequency of OSC1 and denotes the instruction cycle rate.
Master Clear (Reset) input. This pin is an active low
RESET to the device.
Programming voltage input.
Description
P = power
PIC16F872
DS30221C-page 5