2011 Microchip Technology Inc.
DS31037B-page 5
PIC24F16KL402 FAMILY
Pin Diagrams: PIC24FXXKL10X/20X
20-Pin QFN(1)
89
2
3
1
12
13
14
15
10
6
11
16
17
18
19
20
7
5
4
OSCO/AN14/C1INA/CLKO/CN29/RA3
PGED1/AN2/ULPWU/C1IND/CN4/RB0
OSCI/AN13/C1INB/CLKI/CN30/RA2
AN4/T3G/U1RX/CN6/RB2
PGEC1/AN3/C1INC/CN5/RB1
U1
T
X
/I
NT
0
/CN2
3
/RB7
SDA1
/T
1
C
K/
U1
R
T
S
/CN2
1
/RB9
PG
E
C
3/
SO
SCO
/S
C
LK
I/CN0
/R
A4
PG
ED3
/SO
SCI
/AN1
5/CN1
/RB4
S
C
L1
/U
1C
T
S
/SS1
/CN2
2
/RB8
AN12/HLVDIN/SCK1/CCP2/CN14/RB12
AN11/SDO1/CN13/RB13
CCP1/INT2/CN8/RA6
CVREF/AN10/SDI1/C1OUT/INT1/CN12/RB14
AN9/T3CK/REFO/CN11/RB15
PG
ED2
/CV
RE
F
-/
V
RE
F-
/AN1
/CN3
/RA1
PG
EC2
/V
RE
F
+
/CV
RE
F
+/
AN0
/CN2
/RA0
MC
LR
/VPP/
RA5
VDD
VSS
Note 1:
Analog features (indicated in red) are not available on PIC24FXXKL100/101 devices.
20-Pin SPDIP/SSOP/SOIC(1)
PI
C24F
XXK
L
101
(2
)
MCLR/VPP/RA5
OSCO/AN14/C1INA/CLKO/CN29/RA3
PGEC2/VREF+/CVREF+/AN0/CN2/RA0
PGED2/CVREF-/VREF-/AN1/CN3/RA1
VDD
VSS
PGED1/AN2/ULPWU/C1IND/CN4/RB0
U1TX/INT0/CN23/RB7
PGEC3/SOSCO/SCLKI/CN0/RA4
PGED3/SOSCI/AN15/CN1/RB4
SCL1/U1CTS/SS1/CN22/RB8
OSCI/AN13/C1INB/CLKI/CN30/RA2
AN4/T3G/U1RX/CN6/RB2
PGEC1/AN3/C1INC/CN5/RB1
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
AN9/T3CK/REFO/CN11/RB15
CVREF/AN10/SDI1/C1OUT/INT1/CN12/RB14
AN11/SDO1/CN13/RB13
AN12/HLVDIN/SCK1/CCP2/CN14/RB12
SDA1/T1CK/U1RTS/CN21/RB9
CCP1/INT2/CN8/RA6
P
IC24F
XX
KL
201
MCLR/VPP/RA5
PGEC2/VREF+/CVREF+/AN0/CN2/RA0
PGED2/CVREF-/VREF-/AN1/ULPWU/CN3/RA1
VDD
VSS
OSCI/AN13/C1INB/CLKI/CN30/RA2
PGEC3/SOSCO/SCLKI/CN0/RA4
PGED3/SOSCI/AN15/HLVDIN/CN1/RB4
OSCO/AN14/C1INA/CLKO/CN29/RA3
1
2
3
4
5
6
7
14
13
12
11
10
9
8
AN9/T3CK/REFO/U1RX/SS1/INT0/CN11/RB15
CVREF/AN10/T3G/U1TX/SDI1/C1OUT/INT1/CN12/RB14
CCP1/INT2/CN8/RA6
SDA1/T1CK/U1RTS/SDO1/CCP2/CN21/RB9
SCL1/U1CTS/SCK1/CN22/RB8
14-Pin PDIP(1)
PIC24FXXKL101(2)
PIC24FXXKL201
PI
C2
4
F
XXKL1
0
(2
)
PIC2
4
F
X
KL
2
0