PIC18F2221 MICROCHIP [Microchip Technology], PIC18F2221 Datasheet - Page 22

• Manufacturer Part Number: PIC18F2221
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F4321 FAMILY
TABLE 1-3:
DS39689E-page 20
RD0/PSP0
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5/P1B
RD6/PSP6/P1C
RD7/PSP7/P1D
Legend: TTL = TTL compatible input
Note 1:
RD0
PSP0
RD1
PSP1
RD2
PSP2
RD3
PSP3
RD4
PSP4
RD5
PSP5
P1B
RD6
PSP6
P1C
RD7
PSP7
P1D
2:
3:
Pin Name
ST = Schmitt Trigger input with CMOS levels
I
Default assignment for CCP2 when Configuration bit, CCP2MX, is set.
Alternate assignment for CCP2 when Configuration bit, CCP2MX, is cleared.
Special ICPORT features available in select circumstances. See Section 23.9 “Special ICPORT Features
(44-Pin TQFP Packages Only)” for more information.
2
C = ST with I
PIC18F4221/4321 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP
19
20
21
22
27
28
29
30
2
C™ or SMB levels
Pin Number
QFN TQFP
38
39
40
41
2
3
4
5
38
39
40
41
2
3
4
5
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
Preliminary
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
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.
CMOS = CMOS compatible input or output
I
O
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.
Enhanced CCP1 output.
Digital I/O.
Parallel Slave Port data.
Enhanced CCP1 output.
Digital I/O.
Parallel Slave Port data.
Enhanced CCP1 output.
= Input
= Output
Description
© 2007 Microchip Technology Inc.
P = Power