Data Sheet
4D SYSTEMS 4DPi-32-II Primary Display – Raspberry Pi Compatible
© 2018 4D SYSTEMS Page 4 of 18 www.4dsystems.com.au
4DPi
-32
-II Primary Display
– Raspberry
Pi
3. Pin Configuration and Summary
Continued overleaf…
I = Input, O = Output, P = Power
P1 Pinout (Raspberry Pi Connector – FEMALE connector)
Pin
Symbol
I/O
Description
1
+5V
P
+5V Supply Pin, connected to the main 5V supply of the Raspberry Pi
2
+3.3V
P
+3.3V Supply Pin, connected to the main 3.3V supply of the Raspberry Pi
3
+5V
P
+5V Supply Pin, connected to the main 5V supply of the Raspberry Pi
4
SDA1
I/O
I2C SDA1
5
GND
P
Ground Pin, connected to the main system Ground of the Raspberry Pi
6
SCL1
O
I2C SCL1
7
GPIO14
I/O
GPIO on the Raspberry Pi - unused
8
GPIO4
I/O
GPIO on the Raspberry Pi - unused
9
GPIO15
I/O
GPIO on the Raspberry Pi - unused
10
GND
P
Ground Pin, connected to the main system Ground of the Raspberry Pi
11
GPIO18
I/O
GPIO on the Raspberry Pi – Can be used for PWM Backlight, else unused
12
PENIRQ
I
Interrupt for the touchscreen controller
13
GND
P
Ground Pin, connected to the main system Ground of the Raspberry Pi
14
KEYIRQ
I
Interrupt for the push buttons
15
GPIO23
I/O
GPIO on the Raspberry Pi - unused
16
GPIO22
I/O
GPIO on the Raspberry Pi - unused
17
GPIO24
I/O
GPIO on the Raspberry Pi - unused
18
+3.3V
P
+3.3V Supply Pin, connected to the main 3.3V supply of the Raspberry Pi
19
GND
P
Ground Pin, connected to the main system Ground of the Raspberry Pi
20
MOSI
O
SPI MOSI Pin
21
GPIO25
I/O
GPIO on the Raspberry Pi - unused
22
MISO
I
SPI MISO Pin
23
SPI-CS0
O
SPI Chip Select 0 – Used for Xilinx Processor for Display, to Raspberry Pi
24
SCK
O
SPI SCK Clock Pin
25
SPI-CS1
O
SPI Chip Select 1 – unused
26
GND
P
Ground Pin, connected to the main system Ground of the Raspberry Pi