Datasheet

PIC24F16KL402 FAMILY
DS30001037C-page 16  2011-2013 Microchip Technology Inc.
PGEC1 5252I/OSTICSP™ Clock 1
PCED1 4141I/OSTICSP Data 1
PGEC2 2 19 22 19 I/O ST ICSP Clock 2
PGED2 3 20 21 18 I/O ST ICSP Data 2
PGEC3 10 7 15 12 I/O ST ICSP Clock 3
PGED3 9 6 14 11 I/O ST ICSP Data 3
RA0 2 19 2 27 I/O ST PORTA Pins
RA1 320328I/OST
RA2 7496I/OST
RA3 8 5 10 7 I/O ST
RA4 10 7 12 9 I/O ST
RA5 118126IST
RA6 14 11 20 17 I/O ST
RA7 — — 19 16 I/O ST
RB0 4141I/OSTPORTB Pins
RB1 5252I/OST
RB2 6363I/OST
RB3 — — 7 4 I/O ST
RB4 9 6 11 8 I/O ST
RB5 — — 14 11 I/O ST
RB6 — — 15 12 I/O ST
RB7 11 8 16 13 I/O ST
RB8 12 9 17 14 I/O ST
RB9 13 10 18 15 I/O ST
RB10 — — 21 18 I/O ST
RB11 — — 22 19 I/O ST
RB12 15 12 23 20 I/O ST
RB13 16 13 24 21 I/O ST
RB14 17 14 25 22 I/O ST
RB15 18 15 26 23 I/O ST
REFO 18 15 26 23 O — Reference Clock Output
SCK1 15 12 22 19 I/O ST MSSP1 SPI Serial Input/Output Clock
SCK2 18 15 14 11 I/O ST MSSP2 SPI Serial Input/Output Clock
SCL1 12 9 17 14 I/O I
2
C MSSP1 I
2
C Clock Input/Output
SCL2 18 15 7 4 I/O I
2
C MSSP2 I
2
C Clock Input/Output
SCLKI 10 7 12 9 I ST Digital Secondary Clock Input
SDA1 13 10 18 15 I/O I
2
C MSSP1 I
2
C Data Input/Output
SDA2 219227I/OI
2
C MSSP2 I
2
C Data Input/Output
SDI1 17 14 21 18 I ST MSSP1 SPI Serial Data Input
SDI2 2 19 19 16 I ST MSSP2 SPI Serial Data Input
SDO1 16 13 24 21 O — MSSP1 SPI Serial Data Output
SDO2 3 20 15 12 O — MSSP2 SPI Serial Data Output
TABLE 1-4: PIC24F16KL40X/30X FAMILY PINOUT DESCRIPTIONS (CONTINUED)
Function
Pin Number
I/O Buffer Description
20-Pin
PDIP/
SSOP/
SOIC
20-Pin
QFN
28-Pin
SPDIP/
SSOP/
SOIC
28-Pin
QFN
Legend: TTL = TTL input buffer ST = Schmitt Trigger input buffer
ANA = Analog level input/output I
2
C = I
2
C™/SMBus input buffer