Datasheet
4D SYSTEMS  PICadillo-35T Display Module 
 © 2014 4D SYSTEMS   Page 6 of 31 www.4dsystems.com.au 
Continued overleaf… 
I = Input, O = Output, P = Power, A = Analog Input 
P4 Pinout (Top Right) 
Pin 
Symbol 
IDE Pin 
Chip Pin 
I/O 
Description 
1 
AN0 
A0 / 14 
25 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
PGED1/AN0/CN2/RB0 
2 
AN6 
A6 / 20 
26 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
PGEC2/AN6/OCFA/RB6 
3 
AN1 
A1 /15 
24 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
PGEC1/AN1/CN3/RB1 
4 
AN7 
A7 / 21 
27 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
PGED2/AN7/RB7 
5 
AN2 
A2 / 16 
23 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
AN2/C2IN-/CN4/RB2 
6 
AN8 
A8 / 22 
32 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
AN8/C1OUT/RB8 
7 
AN3 
A3 / 17 
22 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
AN3/C2IN+/CN5/RB3 
8 
AN9 
A9 / 23 
33 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
AN9/C2OUT/RB9 
9 
AN4/SCL1 
A4 / 18 
21/66 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
AN4/C1IN-/CN6/RB4 or 
AETXCLK/SCL1/INT3/RA14 
10 
AN10 
A10 / 24 
34 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
AN10/CVREFOUT/PMA13/RB10 
11 
AN5/SDA1 
A5 / 19 
20/67 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
AN5/C1IN+/VBUSON/CN7/RB5 or 
AETXEN/SDA1/INT4/RA15 
12 
AN11 
A11 / 25 
35 
A/I/O 
General Purpose I/O. This pin is 5.0V tolerant. 
AN11/EREXERR/AETXERR/PMA12/RB11 
15 – RD14 
13 – RD8 
11 – RA6 
9 – RA7 
7 – RG14 
5 – RG12 
3 – RG13 
1 – RA9 
15 – RA0 
13 – RA1 
11 – RA4 
9 – RA5 
7 – RA2 
5 – RD1 
3 – RD2 
1 – RB14 
U1ARX – 16 
U1ATX – 14 
RE8 – 12 
RA3 – 10 
RF3 – 8 
RG15 – 6 
RD11 – 4 
RE9 – 2 
RD15 – 16 
RD3 – 14 
RC4 – 12 
RD10 – 10 
RD9 – 8 
RD0 – 6 
GND – 4 
RA10 – 2 
A11 – 12 
A10 – 10 
A9 – 8 
A8 – 6 
A7 – 4 
A6 – 2 
11 – A5 or SDA1 
9 – A4 or SCL1 
7 – A3 
5 – A2 
3 – A1 
1 – A0 
P3 
P1 
P4 










