PIC16F870T-I/SS Microchip Technology, PIC16F870T-I/SS Datasheet - Page 8

• Manufacturer Part Number: PIC16F870T-I/SS
• Description: IC MCU FLASH 2KX14 EE 28SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F870T-I/SS

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: UART/USART
• 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 ~ 85°C
• Package / Case: 28-SSOP
• For Use With: I3-DB16F871 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
-
+