Microchip Technology MA240017 Data Sheet

Page of 278
 2008-2011 Microchip Technology Inc.
DS39927C-page 13
PIC24F16KA102 FAMILY
TABLE 1-2:
PIC24F16KA102 FAMILY PINOUT DESCRIPTIONS
Function
Pin Number
I/O
Input 
Buffer
Description
20-Pin
PDIP/SSOP/
SOIC
20-Pin
QFN
28-Pin
SPDIP/
SSOP/SOIC
28-Pin
QFN
AN0
2
19
2
27
I
ANA
A/D Analog Inputs
AN1
3
20
3
28
I
ANA
AN2
4
1
4
1
I
ANA
AN3
5
2
5
2
I
ANA
AN4
7
4
6
3
I
ANA
AN5
8
5
7
4
I
ANA
AN10
17
14
25
22
I
ANA
AN11
16
13
24
21
I
ANA
AN12
15
12
23
20
I
ANA
U1BCLK
13
10
18
15
O
UART1 IrDA
® 
Baud Clock
U2BCLK
9
6
11
8
O
UART2 IrDA
 
Baud Clock
C1INA
8
5
7
4
I
ANA
Comparator 1 Input A (Positive Input)
C1INB
7
4
6
3
I
ANA
Comparator 1 Input B (Negative Input Option 1)
C1INC
5
2
5
2
I
ANA
Comparator Input C (Negative Input Option 2)
C1IND
4
1
4
1
I
ANA
Comparator Input D (Negative Input Option 3)
C1OUT
17
14
25
22
O
Comparator 1 Output
C2INA
5
2
5
2
I
ANA
Comparator 2 Input A (Positive Input)
C2INB
4
1
4
1
I
ANA
Comparator 2 Input B (Negative Input Option 1)
C2INC
8
5
7
4
I
ANA
Comparator 2 Input C (Negative Input Option 2)
C2IND
7
4
6
3
I
ANA
Comparator 2 Input D (Negative Input Option 3)
C2OUT
14
11
20
17
O
Comparator 2 Output
CLKI
7
4
9
6
I
ANA
Main Clock Input Connection
CLKO
8
5
10
7
O
System Clock Output
Legend:
ST = Schmitt Trigger input buffer, ANA = Analog level input/output, I
2
C™ = I
2
C/SMBus input buffer
Note
1:
Alternative multiplexing when the I2C1SEL Configuration bit is cleared.