Pin Diagrams

Figure .  28-Pin SSOP

Legend: Shaded pins are up to 5.5 VDC tolerant.

Table . 28-Pin SSOP Complete Pin Function Descriptions
Pin #Function(1)Pin #Function(1)
1AN16/RA1(5)15PGC3/RP38/RB6
2AN9/RA216TDO/AN2/RP39/RB7
3AN3/CMP1C/RA317PGD1/AN10/RP40/SCL1/RB8
4AN4/RA418PGC1/AN11/RP41/SDA1/RB9
5

AVDD

19VSS
6

AVSS

20VDD
7

VDD

21TMS/RP42/PWM3H/RB10(3)
8

VSS

22TCK/RP43/PWM3L/RB11
9OSCI/CLKI/AN5/RP32/RB023TDI/RP44/PWM2H/RB12
10OSCO/CLKO/AN6/RP33/RB1(2,4)24RP45/PWM2L/RB13
11AN1/CMP1D/RP34/INT0/RB2(5)25RP46/PWM1H/RB14
12PGD2/AN8/RP35/RB326RP47/PWM1L/RB15
13PGC2/AN17/RP36/RB4(5)27MCLR
14PGD3/RP37/RB528AN0/CMP1A/RA0
Note:
  1. RPn represents remappable peripheral functions.
  2. Pin has an increased current drive strength.
  3. A pull-up resistor is connected to this pin during programming or when JTAG is enabled in the Configuration bits; this limits the maximum voltage on this pin to 3.6V. If JTAG is disabled, the maximum voltage on this pin can reach 5.5V.
  4. This pin is toggled during programming.
  5. Refer to following table for difference in pin function:
    PindsPIC33CK128/dsPIC33CK256dsPIC33CK32/dsPIC33CK64
    1AN16/RA1RA1
    11AN1/CMP1D/RP34/INT0/RB2AN1/AN7/CMP1D/RP34/INT0/RB2
    13PGC2/AN17/RP36/RB4PGC2/RP36/RB4