PIC16F870-I/SP Microchip Technology Inc., PIC16F870-I/SP Datasheet - Page 8

• Manufacturer Part Number: PIC16F870-I/SP
• Description: 28 PIN, 7 KB FLASH, 128 RAM, 22 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F870-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 5 MIPS
• Eeprom Memory: 64 Bytes
• Input Output: 22
• Interface: USART
• 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

PIC16F870/871
FIGURE 1-2:
DS30569B-page 6
Note 1:
Data EEPROM
PIC16F871
Device
Timer0
OSC1/CLKI
OSC2/CLKO
Program
Higher order bits are from the STATUS register.
Bus
Program FLASH
Instruction reg
Generation
Instruction
Decode &
PIC16F871 BLOCK DIAGRAM
14
FLASH
Program
Control
Memory
Timing
2K
Timer1
CCP1
8
13
Data Memory
MCLR
128 Bytes
Direct Addr
Start-up Timer
Program Counter
Programming
Low-Voltage
8 Level Stack
Brown-out
Watchdog
Debugger
Power-up
Oscillator
Power-on
In-Circuit
Reset
Reset
Timer
Timer
(13-bit)
Parallel Slave Port
V
DD
Timer2
, V
SS
7
Data EEPROM
RAM Addr (1)
64 Bytes
8
3
Data Bus
Addr MUX
Registers
W reg
ALU
RAM
File
STATUS reg
10-bit A/D
FSR reg
USART
9
MUX
8
Indirect
Addr
8
PORTB
PORTC
PORTD
PORTE
PORTA
 2003 Microchip Technology Inc.
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4
RC0/T1OSO/T1CKI
RC1/T1OSI
RC2/CCP1
RC3
RC4
RC5
RC6/TX/CK
RC7/RX/DT
RD7/PSP7:RD0/PSP0
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
RB0/INT
RB1
RB2
RB3/PGM
RB4
RB5
RB6/PGC
RB7/PGD
REF
REF
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