PIC18F23K20-E/MLQTP MICROCHIP [Microchip Technology], PIC18F23K20-E/MLQTP Datasheet - Page 21

• Manufacturer Part Number: PIC18F23K20-E/MLQTP
• Description: 28/40/44-Pin Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

TABLE 1-3:
© 2007 Microchip Technology Inc.
RA0/AN0/C12IN0-
RA1/AN1/C12IN0-
RA2/AN2/V
C2IN+
RA3/AN3/V
C1IN+
RA4/T0CKI/C1OUT
RA5/AN4/SS/HLVDIN/
C2OUT
RA6
RA7
Legend: TTL = TTL compatible input
Note 1: Default assignment for CCP2 when Configuration bit CCP2MX is set.
RA0
AN0
C12IN0-
RA1
AN1
C12IN0-
RA2
AN2
V
CV
C2IN+
RA3
AN3
V
C1IN+
RA4
T0CKI
C1OUT
RA5
AN4
SS
HLVDIN
C2OUT
REF
REF
2: Alternate assignment for CCP2 when Configuration bit CCP2MX is cleared.
Pin Name
REF
-
+
ST = Schmitt Trigger input with CMOS levels
O
REF
REF
= Output
-/CV
+/
PIC18F4XK20 PINOUT I/O DESCRIPTIONS (CONTINUED)
REF
/
PDIP
2
3
4
5
6
7
Pin Number
QFN TQFP
19
20
21
22
23
24
19
20
21
22
23
24
Advance Information
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
CMOS
CMOS
Type
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
CMOS = CMOS compatible input or output
I
P
PORTA is a bidirectional I/O port.
PIC18F2XK20/4XK20
Digital I/O
Analog input 0, ADC channel 0
Comparator C1 and C2 inverting input
Digital I/O
Analog input 1, ADC channel 1
Comparator C1 and C2 inverting input
Digital I/O
Analog input 2, ADC channel 2
A/D reference voltage (low) input
Comparator reference voltage output
Comparator C2 non-inverting input
Digital I/O
Analog input 3, ADC channel 3
A/D reference voltage (high) input
Comparator C1 non-inverting input
Digital I/O
Timer0 external clock input
Comparator C1 output
Digital I/O
Analog input 4, ADC channel 4
SPI slave select input
High/Low-Voltage Detect input
Comparator C2 output
See the OSC2/CLKOUT/RA6 pin
See the OSC1/CLKIN/RA7 pin
= Input
= Power
Description
DS41303B-page 19