PIC18F4539 Datasheet, PDF (19/322 Pages) Microchip Technology – Enhanced FLASH Microcontrollers with Single Phase Induction Motor Control Kernel

PIC18FXX39
TABLE 1-3: PIC18F4X39 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
DIP QFN TQFP ^Type
Buffer
Type
Description
RD0/PSP0
RD0
PSP0
19 38 38 I/O
ST
TTL
RD1/PSP1
RD1
PSP1
20 39 39 I/O
ST
TTL
RD2/PSP2
RD2
PSP2
21 40 40 I/O
ST
TTL
RD3/PSP3
RD3
PSP3
22 41 41 I/O
ST
TTL
RD4/PSP4
RD4
PSP4
27
2
2 I/O
ST
TTL
RD5/PSP5
RD5
PSP5
28
3
3 I/O
ST
TTL
RD6/PSP6
RD6
PSP6
29
4
4 I/O
ST
TTL
RD7/PSP7
RD7
PSP7
30
5
5 I/O
ST
TTL
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
OD = Open Drain (no P diode to VDD)
PORTD is a bi-directional 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.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
Digital I/O.
Parallel Slave Port Data.
CMOS = CMOS compatible input or output
I
= Input
P
= Power
 2002 Microchip Technology Inc.
Preliminary
DS30485A-page 17