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PDF 16F876A Data sheet ( Hoja de datos )

Número de pieza 16F876A
Descripción PIC16F876A
Fabricantes Microchip Technology 
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PIC16F87XA
Data Sheet
28/40/44-Pin Enhanced Flash
Microcontrollers
2003 Microchip Technology Inc.
DS39582B

1 page




16F876A pdf
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Pin Diagrams (Continued)
40-Pin PDIP
MCLR/VPP
RA0/AN0
RA1/AN1
RA2/AN2/VREF-/CVREF
RA3/AN3/VREF+
RA4/T0CKI/C1OUT
RA5/AN4/SS/C2OUT
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
VDD
VSS
OSC1/CLKI
OSC2/CLKO
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
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
RB7/PGD
RB6/PGC
RB5
RB4
RB3/PGM
RB2
RB1
RB0/INT
VDD
VSS
RD7/PSP7
RD6/PSP6
RD5/PSP5
RD4/PSP4
RC7/RX/DT
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
RD3/PSP3
RD2/PSP2
44-Pin PLCC
RA4/T0CKI/C1OUT
RA5/AN4/SS/C2OUT
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
VDD
VSS
OSC1/CLKI
OSC2/CLKO
RC0/T1OSO/T1CK1
NC
PIC16F87XA
7 39
8 38
9 37
10 36
11 PIC16F874A 35
12
13
PIC16F877A
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
44-Pin TQFP
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 PIC16F874A 29
6
7
PIC16F877A
28
27
8 26
9 25
10 24
11 23
NC
RC0/T1OSO/T1CKI
OSC2/CLKO
OSC1/CLKI
VSS
VDD
RE2/CS/AN7
RE1/WR/AN6
RE0/RD/AN5
RA5/AN4/SS/C2OUT
RA4/T0CKI/C1OUT
2003 Microchip Technology Inc.
DS39582B-page 3

5 Page





16F876A arduino
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PIC16F87XA
TABLE 1-2: PIC16F873A/876A PINOUT DESCRIPTION (CONTINUED)
Pin Name
PDIP, SOIC, QFN I/O/P
SSOP Pin# Pin# Type
Buffer
Type
Description
RB0/INT
RB0
INT
PORTB is a bidirectional I/O port. PORTB can be software
programmed for internal weak pull-ups on all inputs.
21 18
TTL/ST(1)
I/O Digital I/O.
I External interrupt.
RB1
22
19 I/O
TTL
Digital I/O.
RB2
23
20 I/O
TTL
Digital I/O.
RB3/PGM
RB3
PGM
24 21
TTL
I/O
I
Digital I/O.
Low-voltage (single-supply) ICSP programming enable pin.
RB4
25
22 I/O
TTL
Digital I/O.
RB5
RB6/PGC
RB6
PGC
RB7/PGD
RB7
PGD
26
23 I/O
TTL
Digital I/O.
27 24
TTL/ST(2)
I/O Digital I/O.
I In-circuit debugger and ICSP programming clock.
28 25
TTL/ST(2)
I/O Digital I/O.
I/O In-circuit debugger and ICSP programming data.
PORTC is a bidirectional I/O port.
RC0/T1OSO/T1CKI
RC0
T1OSO
T1CKI
11
8
I/O
O
I
ST
Digital I/O.
Timer1 oscillator output.
Timer1 external clock input.
RC1/T1OSI/CCP2
RC1
T1OSI
CCP2
12 9
ST
I/O
I
I/O
Digital I/O.
Timer1 oscillator input.
Capture2 input, Compare2 output, PWM2 output.
RC2/CCP1
RC2
CCP1
13 10
ST
I/O
I/O
Digital I/O.
Capture1 input, Compare1 output, PWM1 output.
RC3/SCK/SCL
RC3
SCK
SCL
14 11
ST
I/O
I/O
I/O
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I2C mode.
RC4/SDI/SDA
RC4
SDI
SDA
15 12
ST
I/O
I
I/O
Digital I/O.
SPI data in.
I2C data I/O.
RC5/SDO
RC5
SDO
16 13
ST
I/O
O
Digital I/O.
SPI data out.
RC6/TX/CK
RC6
TX
CK
17 14
ST
I/O
O
I/O
Digital I/O.
USART asynchronous transmit.
USART1 synchronous clock.
RC7/RX/DT
RC7
RX
DT
18 15
ST
I/O
I
I/O
Digital I/O.
USART asynchronous receive.
USART synchronous data.
VSS
8, 19
5, 6 P
— Ground reference for logic and I/O pins.
VDD
20 17 P
— Positive supply for logic and I/O pins.
Legend:
Note 1:
2:
3:
I = input
O = output
I/O = input/output
P = power
— = Not used TTL = TTL input ST = Schmitt Trigger input
This buffer is a Schmitt Trigger input when configured as the external interrupt.
This buffer is a Schmitt Trigger input when used in Serial Programming mode.
This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.
2003 Microchip Technology Inc.
DS39582B-page 9

11 Page







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