PIC18F2480/2580/4480/4580
TABLE 1-3:
Pin Name
PIC18F4480/4580 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Number
Pin Buffer
Type Type
Description
PDIP QFN TQFP
PORTD is a bidirectional I/O port or a Parallel Slave
Port (PSP) for interfacing to a microprocessor port.
These pins have TTL input buffers when the PSP
module is enabled.
RD0/PSP0/C1IN+
RD0
19
20
21
22
27
38
39
40
41
2
38
39
40
41
2
I/O
I/O
I
ST
TTL
Analog
Digital I/O.
Parallel Slave Port data.
Comparator 1 input (+).
PSP0
C1IN+
RD1/PSP1/C1IN-
RD1
I/O
I/O
I
ST
TTL
Analog
Digital I/O.
Parallel Slave Port data.
Comparator 1 input (-)
PSP1
C1IN-
RD2/PSP2/C2IN+
RD2
I/O
I/O
I
ST
TTL
Analog
Digital I/O.
Parallel Slave Port data.
Comparator 2 input (+).
PSP2
C2IN+
RD3/PSP3/C2IN-
RD3
I/O
I/O
I
ST
TTL
Analog
Digital I/O.
Parallel Slave Port data.
Comparator 2 input (-).
PSP3
C2IN-
RD4/PSP4/ECCP1/
P1A
RD4
I/O
I/O
I/O
O
ST
TTL
ST
Digital I/O.
Parallel Slave Port data.
Capture 2 input/Compare 2 output/PWM2 output.
ECCP1 PWM Output A.
PSP4
ECCP1
P1A
TTL
RD5/PSP5/P1B
RD5
28
29
30
3
4
5
3
4
5
I/O
I/O
O
ST
TTL
TTL
Digital I/O.
Parallel Slave Port data.
ECCP1 PWM Output B.
PSP5
P1B
RD6/PSP6/P1C
RD6
I/O
I/O
O
ST
TTL
TTL
Digital I/O.
Parallel Slave Port data.
ECCP1 PWM Output C.
PSP6
P1C
RD7/PSP7/P1D
RD7
I/O
I/O
O
ST
TTL
TTL
Digital I/O.
Parallel Slave Port data.
ECCP1 PWM Output D.
PSP7
P1D
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
= Output
I2C = I2C™/SMBus input buffer
CMOS = CMOS compatible input or output
I
= Input
O
P
= Power
DS39637D-page 22
© 2009 Microchip Technology Inc.
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