PIC16F872-E/SO Microchip Technology, PIC16F872-E/SO Datasheet - Page 6

• Manufacturer Part Number: PIC16F872-E/SO
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SOP,28PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F872-E/SO

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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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