PIC16F870_13 Datasheet, PDF (1/172 Pages) Microchip Technology – 28/40-Pin, 8-Bit CMOS FLASH Microcontrollers

PIC16F870/871
28/40-Pin, 8-Bit CMOS FLASH Microcontrollers
Devices Included in this Data Sheet:
• PIC16F870
• PIC16F871
Microcontroller Core Features:
• High performance RISC CPU
• Only 35 single word instructions to learn
• All single cycle instructions except for program
branches which are two-cycle
• Operating speed: DC - 20 MHz clock input
DC - 200 ns instruction cycle
• 2K x 14 words of FLASH Program Memory
128 x 8 bytes of Data Memory (RAM)
64 x 8 bytes of EEPROM Data Memory
• Pinout compatible to the PIC16CXXX 28 and
40-pin devices
• Interrupt capability (up to 11 sources)
• Eight level deep hardware stack
• Direct, Indirect and Relative Addressing modes
• Power-on Reset (POR)
• Power-up Timer (PWRT) and
Oscillator Start-up Timer (OST)
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
• Programmable code protection
• Power saving SLEEP mode
• Selectable oscillator options
• Low power, high speed CMOS FLASH/EEPROM
technology
• Fully static design
• In-Circuit Serial Programming(ICSP)via
two pins
• Single 5V In-Circuit Serial Programming capability
• In-Circuit Debugging via two pins
• Processor read/write access to program memory
• Wide operating voltage range: 2.0V to 5.5V
• High Sink/Source Current: 25 mA
• Commercial and Industrial temperature ranges
• Low power consumption:
- < 1.6 mA typical @ 5V, 4 MHz
- 20 A typical @ 3V, 32 kHz
- < 1 A typical standby current
Pin Diagram
PDIP
MCLR/VPP/THV
1
RA0/AN0
2
RA1/AN1
3
RA2/AN2/VREF-
4
RA3/AN3/VREF+
5
RA4/T0CKI
6
RA5/AN4
7
RE0/RD/AN5
8
RE1/WR/AN6
9
RE2/CS/AN7
10
VDD
11
VSS
12
OSC1/CLKI
13
OSC2/CLKO
14
RC0/T1OSO/T1CKI
15
RC1/T1OSI
16
RC2/CCP1
17
RC3
18
RD0/PSP0
19
RD1/PSP1
20
40
RB7/PGD
39
RB6/PGC
38
RB5
37
RB4
36
RB3/PGM
35
RB2
34
RB1
33
RB0/INT
32
VDD
31
VSS
30
RD7/PSP7
29
RD6/PSP6
28
RD5/PSP5
27
RD4/PSP4
26
RC7/RX/DT
25
RC6/TX/CK
24
RC5
23
RC4
22
RD3/PSP3
21
RD2/PSP2
Peripheral Features:
• Timer0: 8-bit timer/counter with 8-bit prescaler
• Timer1: 16-bit timer/counter with prescaler,
can be incremented during SLEEP via external
crystal/clock
• Timer2: 8-bit timer/counter with 8-bit period
register, prescaler and postscaler
• One Capture, Compare, PWM module
- Capture is 16-bit, max. resolution is 12.5 ns
- Compare is 16-bit, max. resolution is 200 ns
- PWM max. resolution is 10-bit
• 10-bit multi-channel Analog-to-Digital converter
• Universal Synchronous Asynchronous Receiver
Transmitter (USART/SCI) with 9-bit address
detection
• Parallel Slave Port (PSP) 8-bits wide, with
external RD, WR and CS controls (40/44-pin only)
• Brown-out detection circuitry for
Brown-out Reset (BOR)
 2000-2013 Microchip Technology Inc.
DS30569C-page 1