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Microchip

PIC16F877 Datasheet

28/40-pin 8-Bit CMOS FLASH Microcontrollers


PIC16F877 Datasheet Preview


PIC16F87X
28/40-pin 8-Bit CMOS FLASH Microcontrollers
Devices Included in this Data Sheet:
• PIC16F873
• PIC16F874
• PIC16F876
• PIC16F877
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
• Up to 8K x 14 words of FLASH Program Memory,
Up to 368 x 8 bytes of Data Memory (RAM)
Up to 256 x 8 bytes of EEPROM data memory
• Pinout compatible to the PIC16C73B/74B/76/77
• Interrupt capability (up to 14 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:
- < 2 mA typical @ 5V, 4 MHz
- 20 µA typical @ 3V, 32 kHz
- < 1 µA typical standby current
Pin Diagram
PDIP
MCLR/VPP/THV
RA0/AN0
RA1/AN1
RA2/AN2/VREF-
RA3/AN3/VREF+
RA4/T0CKI
RA5/AN4/SS
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
VDD
VSS
OSC1/CLKIN
OSC2/CLKOUT
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RD0/PSP0
RD1/PSP1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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/SDO
23 RC4/SDI/SDA
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
• Two Capture, Compare, PWM modules
- 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
• Synchronous Serial Port (SSP) with SPI(Master
Mode) and I2C(Master/Slave)
• 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)
© 1999 Microchip Technology Inc.
DS30292B-page 1
Page 1

PIC16F87X
Pin Diagrams
DIP, SOIC
MCLR/VPP/THV
RA0/AN0
RA1/AN1
RA2/AN2/VREF-
RA3/AN3/VREF+
RA4/T0CKI
RA5/AN4/SS
VSS
OSC1/CLKIN
OSC2/CLKOUT
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 RB7/PGD
27 RB6/PGC
26 RB5
25 RB4
24 RB3/PGM
23 RB2
22 RB1
21 RB0/INT
20 VDD
19 VSS
18 RC7/RX/DT
17 RC6/TX/CK
16 RC5/SDO
15 RC4/SDI/SDA
PLCC
RA4/T0CKI
RA5/AN4/SS
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
VDD
VSS
OSC1/CLKIN
OSC2/CLKOUT
RC0/T1OSO/T1CK1
NC
7 39
8 38
9 37
10 36
11 PIC16F877 35
12
13
PIC16F874
34
33
14 32
15 31
16 30
17 29
RB3/PGM
RB2
RB1
RB0/INT
VDD
VSS
RD7/PSP7
RD6/PSP6
RD5/PSP5
RD4/PSP4
RC7/RX/DT
QFP
RC7/RX/DT
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
VSS
VDD
RB0/INT
RB1
RB2
RB3/PGM
1
2
3
4
5 PIC16F877
6
7
PIC16F874
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
NC
RC0/T1OSO/T1CKI
OSC2/CLKOUT
OSC1/CLKIN
VSS
VDD
RE2/AN7/CS
RE1/AN6/WR
RE0/AN5/RD
RA5/AN4/SS
RA4/T0CKI
DS30292B-page 2
© 1999 Microchip Technology Inc.
Page 2

PIC16F87X
Key Features
PICmicro™ Mid-Range Reference
Manual (DS33023)
Operating Frequency
Resets (and Delays)
FLASH Program Memory
(14-bit words)
Data Memory (bytes)
EEPROM Data Memory
Interrupts
I/O Ports
Timers
Capture/Compare/PWM modules
Serial Communications
Parallel Communications
10-bit Analog-to-Digital Module
Instruction Set
PIC16F873
PIC16F874
PIC16F876
PIC16F877
DC - 20 MHz
POR, BOR
(PWRT, OST)
4K
DC - 20 MHz
POR, BOR
(PWRT, OST)
4K
DC - 20 MHz
POR, BOR
(PWRT, OST)
8K
DC - 20 MHz
POR, BOR
(PWRT, OST)
8K
192
128
13
Ports A,B,C
3
2
MSSP, USART
5 input channels
35 Instructions
192
128
14
Ports A,B,C,D,E
3
2
MSSP, USART
PSP
8 input channels
35 Instructions
368
256
13
Ports A,B,C
3
2
MSSP, USART
5 input channels
35 Instructions
368
256
14
Ports A,B,C,D,E
3
2
MSSP, USART
PSP
8 input channels
35 Instructions
© 1999 Microchip Technology Inc.
DS30292B-page 3
Page 3
Part Number PIC16F877
Manufactur Microchip
Description 28/40-pin 8-Bit CMOS FLASH Microcontrollers
Total Page 30 Pages
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