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PIC16F877AI/ML 数据表(PDF) 15 Page - Microchip Technology

部件名 PIC16F877AI/ML
功能描述  28/40-pin Enhanced FLASH Microcontrollers
PDF  234 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

PIC16F877AI/ML 数据表(HTML) 15 Page - Microchip Technology

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 2003 Microchip Technology Inc.
DS39582B-page 13
PIC16F87XA
PORTD is a bidirectional I/O port or Parallel Slave
Port when interfacing to a microprocessor bus.
RD0/PSP0
RD0
PSP0
19
21
38
38
I/O
I/O
ST/TTL(3)
Digital I/O.
Parallel Slave Port data.
RD1/PSP1
RD1
PSP1
20
22
39
39
I/O
I/O
ST/TTL(3)
Digital I/O.
Parallel Slave Port data.
RD2/PSP2
RD2
PSP2
21
23
40
40
I/O
I/O
ST/TTL(3)
Digital I/O.
Parallel Slave Port data.
RD3/PSP3
RD3
PSP3
22
24
41
41
I/O
I/O
ST/TTL(3)
Digital I/O.
Parallel Slave Port data.
RD4/PSP4
RD4
PSP4
27
30
2
2
I/O
I/O
ST/TTL(3)
Digital I/O.
Parallel Slave Port data.
RD5/PSP5
RD5
PSP5
28
31
3
3
I/O
I/O
ST/TTL(3)
Digital I/O.
Parallel Slave Port data.
RD6/PSP6
RD6
PSP6
29
32
4
4
I/O
I/O
ST/TTL(3)
Digital I/O.
Parallel Slave Port data.
RD7/PSP7
RD7
PSP7
30
33
5
5
I/O
I/O
ST/TTL(3)
Digital I/O.
Parallel Slave Port data.
PORTE is a bidirectional I/O port.
RE0/RD/AN5
RE0
RD
AN5
8
9
25
25
I/O
I
I
ST/TTL(3)
Digital I/O.
Read control for Parallel Slave Port.
Analog input 5.
RE1/WR/AN6
RE1
WR
AN6
910
26
26
I/O
I
I
ST/TTL(3)
Digital I/O.
Write control for Parallel Slave Port.
Analog input 6.
RE2/CS/AN7
RE2
CS
AN7
10
11
27
27
I/O
I
I
ST/TTL(3)
Digital I/O.
Chip select control for Parallel Slave Port.
Analog input 7.
VSS
12, 31
13, 34
6, 29
6, 30,
31
P
—
Ground reference for logic and I/O pins.
VDD
11, 32
12, 35
7, 28
7, 8,
28, 29
P
—
Positive supply for logic and I/O pins.
NC
—
1, 17,
28, 40
12,13,
33, 34
13
—
—
These pins are not internally connected. These pins
should be left unconnected.
TABLE 1-3:
PIC16F874A/877A PINOUT DESCRIPTION (CONTINUED)
Pin Name
PDIP
Pin#
PLCC
Pin#
TQFP
Pin#
QFN
Pin#
I/O/P
Type
Buffer
Type
Description
Legend:
I = input
O = output
I/O = input/output
P = power
— = Not used
TTL = TTL input
ST = Schmitt Trigger input
Note
1:
This buffer is a Schmitt Trigger input when configured as the external interrupt.
2:
This buffer is a Schmitt Trigger input when used in Serial Programming mode.
3:
This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.



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