PIC18F2682 Datasheet, PDF (22/484 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology

PIC18F2682/2685/4682/4685
TABLE 1-3: PIC18F4682/4685 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin Buffer
PDIP QFN TQFP ^{Type Type}
Description
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 PSP module
is enabled.
RD0/PSP0/C1IN+
RD0
PSP0
C1IN+
19 38 38
I/O ST
Digital I/O.
I/O TTL Parallel Slave Port data.
I Analog Comparator 1 input (+).
RD1/PSP1/C1IN-
RD1
PSP1
C1IN-
20 39 39
I/O ST
Digital I/O.
I/O TTL Parallel Slave Port data.
I Analog Comparator 1 input (-)
RD2/PSP2/C2IN+
RD2
PSP2
C2IN+
21 40 40
I/O ST
Digital I/O.
I/O TTL Parallel Slave Port data.
I Analog Comparator 2 input (+).
RD3/PSP3/C2IN-
RD3
PSP3
C2IN-
22 41 41
I/O ST
Digital I/O.
I/O TTL Parallel Slave Port data.
I Analog Comparator 2 input (-).
RD4/PSP4/ECCP1/ 27 2
P1A
RD4
PSP4
ECCP1
P1A
2
I/O ST
I/O TTL
I/O ST
O TTL
Digital I/O.
Parallel Slave Port data.
Capture2 input/Compare2 output/PWM2 output.
ECCP1 PWM output A.
RD5/PSP5/P1B
RD5
PSP5
P1B
28 3
3
I/O ST
Digital I/O.
I/O TTL Parallel Slave Port data.
O TTL ECCP1 PWM output B.
RD6/PSP6/P1C
RD6
PSP6
P1C
29 4
4
I/O ST
Digital I/O.
I/O TTL Parallel Slave Port data.
O TTL ECCP1 PWM output C.
RD7/PSP7/P1D
RD7
PSP7
P1D
30 5
5
I/O ST
Digital I/O.
I/O TTL Parallel Slave Port data.
O TTL ECCP1 PWM output D.
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
CMOS = CMOS compatible input or output
I
= Input
P
= Power
DS39761B-page 20
Preliminary
© 2007 Microchip Technology Inc.