PIC16F872-I/SP Microchip Technology Inc., PIC16F872-I/SP Datasheet - Page 6

• 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
FIGURE 1-1:
DS30221C-page 4
Note 1:
OSC1/CLKIN
OSC2/CLKOUT
Program
Data EEPROM
Bus
Higher order bits are from the STATUS register.
Timer0
Instruction reg
Generation
Instruction
Decode &
14
Program
Control
Memory
Timing
FLASH
PIC16F872 BLOCK DIAGRAM
8
13
Timer1
MCLR
CCP
Direct Addr
Start-up Timer
Programming
Program Counter
Low Voltage
Watchdog
8 Level Stack
Debugger
Brown-out
Power-up
Oscillator
Power-on
In-Circuit
Timer
Timer
Reset
Reset
(13-bit)
V
DD
, V
SS
7
RAM Addr (1)
Synchronous
Serial Port
8
Timer2
3
Data Bus
Addr MUX
Registers
W reg
ALU
RAM
File
STATUS reg
FSR reg
9
MUX
8
Indirect
Addr
8
10-bit A/D
PORTA
PORTB
PORTC
© 2006 Microchip Technology Inc.
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4/SS
RB0/INT
RB1
RB2
RB3/PGM
RB4
RB5
RB6/PGC
RB7/PGD
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6
RC7
REF
REF
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