PIC18F258 Datasheet, PDF (16/384 Pages) Microchip Technology – High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN

PIC18FXX8
TABLE 1-2: PIC18FXX8 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
RD0/PSP0/C1IN+
RD0
PSP0
C1IN+
Pin Number
PIC18F248/258 PIC18F448/458
SPDIP, SOIC PDIP TQFP PLCC
Pin
Type
—
19
38
21
I/O
I/O
I
Buffer
Type
Description
PORTD is a bi-directional I/O port.
These pins have TTL input buffers
when external memory is enabled.
ST
TTL
Analog
Digital I/O.
Parallel slave port data.
Comparator 1 input.
RD1/PSP1/C1IN-
RD1
PSP1
C1IN-
—
20
39
22
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
23
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
24
I/O
ST
Digital I/O.
I/O TTL
Parallel slave port data.
I Analog
Comparator 2 input.
RD4/PSP4/ECCP1/
—
27
2
30
P1A
RD4
I/O
ST
Digital I/O.
PSP4
I/O TTL
Parallel slave port data.
ECCP1
I/O
ST
ECCP1 capture/compare.
P1A
O
—
ECCP1 PWM output A.
RD5/PSP5/P1B
RD5
PSP5
P1B
—
28
3
31
I/O
ST
Digital I/O.
I/O TTL
Parallel slave port data.
O
—
ECCP1 PWM output B.
RD6/PSP6/P1C
RD6
PSP6
P1C
—
29
4
32
I/O
ST
Digital I/O.
I/O TTL
Parallel slave port data.
O
—
ECCP1 PWM output C.
RD7/PSP7/P1D
RD7
PSP7
P1D
—
30
5
33
I/O
ST
Digital I/O.
I/O TTL
Parallel slave port data.
O
—
ECCP1 PWM output D.
Legend:
TTL =
ST =
I=
P=
TTL compatible input
Schmitt Trigger input with CMOS levels
Input
Power
CMOS =
Analog =
O
=
OD =
CMOS compatible input or output
Analog input
Output
Open Drain (no P diode to VDD)
DS41159B-page 14
Preliminary
 2002 Microchip Technology Inc.