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  Microchip Technology Semiconductor Electronic Components Datasheet  

16F874 Datasheet

PIC16F874

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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, Industrial and Extended temperature
ranges
• Low-power consumption:
- < 0.6 mA typical @ 3V, 4 MHz
- 20 A typical @ 3V, 32 kHz
- < 1 A typical standby current
Pin Diagram
PDIP
MCLR/VPP
1
RA0/AN0
2
RA1/AN1
3
RA2/AN2/VREF-
4
RA3/AN3/VREF+
5
RA4/T0CKI
6
RA5/AN4/SS
7
RE0/RD/AN5
8
RE1/WR/AN6
9
RE2/CS/AN7
10
VDD
11
VSS
12
OSC1/CLKIN
13
OSC2/CLKOUT
14
RC0/T1OSO/T1CKI
15
RC1/T1OSI/CCP2
16
RC2/CCP1
17
RC3/SCK/SCL
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/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)
1998-2013 Microchip Technology Inc.
DS30292D-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

16F874 Datasheet

PIC16F874

No Preview Available !

PIC16F87X
Pin Diagrams
PDIP, SOIC
MCLR/VPP
1
RA0/AN0
2
RA1/AN1
3
RA2/AN2/VREF-
4
RA3/AN3/VREF+
5
RA4/T0CKI
6
RA5/AN4/SS
7
VSS
8
OSC1/CLKIN
9
OSC2/CLKOUT
10
RC0/T1OSO/T1CKI
11
RC1/T1OSI/CCP2
12
RC2/CCP1
13
RC3/SCK/SCL
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
33
2
32
3
31
4
30
5 PIC16F877 29
6
7
PIC16F874
28
27
8
26
9
25
10
24
11
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
DS30292D-page 2
1998-2013 Microchip Technology Inc.


Part Number 16F874
Description PIC16F874
Maker Microchip
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16F874 Datasheet PDF






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