Datasheet
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.