PIC18F2420-I/SOC01 Microchip, PIC18F2420-I/SOC01 Datasheet - Page 23

• Manufacturer Part Number: PIC18F2420-I/SOC01
• Description: 28 pin, 16 kb flash, 3804 ram, 25 i/o...
• Manufacturer: Microchip

TABLE 1-3:
© 2008 Microchip Technology Inc.
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
RE3
V
V
NC
Legend: TTL = TTL compatible input
Note 1: Default assignment for CCP2 when Configuration bit, CCP2MX, is set.
SS
DD
RE0
RD
AN5
RE1
WR
AN6
RE2
CS
AN7
2: Alternate assignment for CCP2 when Configuration bit, CCP2MX, is cleared.
Pin Name
ST = Schmitt Trigger input with CMOS levels
O
= Output
PIC18F4420/4520 PINOUT I/O DESCRIPTIONS (CONTINUED)
12, 31 6, 30,
11, 32 7, 8,
PDIP
10
—
—
8
9
Pin Number
28, 29
QFN TQFP
25
26
27
31
13
—
12, 13,
33, 34
6, 29
7, 28
25
26
27
—
PIC18F2420/2520/4420/4520
Type
Pin
I/O
I/O
I/O
—
—
P
P
I
I
I
I
I
I
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
ST
ST
ST
—
—
—
—
CMOS = CMOS compatible input or output
I
P
PORTE is a bidirectional I/O port.
See MCLR/V
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
No Connect.
Digital I/O.
Read control for Parallel Slave Port
(see also WR and CS pins).
Analog input 5.
Digital I/O.
Write control for Parallel Slave Port
(see CS and RD pins).
Analog input 6.
Digital I/O.
Chip Select control for Parallel Slave Port
(see related RD and WR).
Analog input 7.
= Input
= Power
PP
/RE3 pin.
Description
DS39631E-page 21