Datasheet

PIC24F16KA102 FAMILY
DS39927C-page 16  2008-2011 Microchip Technology Inc.
T1CK 10 7 12 9 I ST Timer1 Clock
T2CK 18 15 26 23 I ST Timer2 Clock
T3CK 18 15 26 23 I ST Timer3 Clock
U1CTS
12 9 17 14 I ST UART1 Clear to Send Input
U1RTS
13 10 18 15 O — UART1 Request to Send Output
U1RX 6 3 6 3 I ST UART1 Receive
U1TX 11 8 16 13 O — UART1 Transmit Output
V
DD 20 17 13, 28 10, 25 P — Positive Supply for Peripheral Digital Logic and
I/O Pins
V
PP 1 18 1 26 P — Programming Mode Entry Voltage
V
REF- 3 20 3 28 I ANA A/D and Comparator Reference Voltage (low)
Input
V
REF+ 2 19 2 27 I ANA A/D and Comparator Reference Voltage (high)
Input
V
SS 19 16 8, 27 5, 24 P — Ground Reference for Logic and I/O Pin
TABLE 1-2: PIC24F16KA102 FAMILY PINOUT DESCRIPTIONS (CONTINUED)
Function
Pin Number
I/O
Input
Buffer
Description
20-Pin
PDIP/SSOP/
SOIC
20-Pin
QFN
28-Pin
SPDIP/
SSOP/SOIC
28-Pin
QFN
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.