Data Sheet

4D SYSTEMS 4DPi-35 Primary Display – Raspberry Pi Compatible
© 2015 4D SYSTEMS Page 4 of 14 www.4dsystems.com.au
4DPi
-35
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
GND
P
Ground Pin, connected to the main system Ground of the Raspberry Pi
2
SPI-CS1
O
Chip Select Pin for the SPI to the Resistive Touch Controller chip
3
SCK
O
Clock Pin for the SPI
4
SPI-CS0
O
Chip Select Pin for the on-board processor for the SPI communications
5
MISO
I
MISO Pin for the SPI
6
GPIO25
I/O
GPIO on the Raspberry Pi - unused
7
MOSI
O
MOSI Pin for the SPI
8
GND
P
Ground Pin, connected to the main system Ground of the Raspberry Pi
9
+3.3V
P
+3.3V Supply Pin, connected to the main 3.3V supply of the Raspberry Pi
10
GPIO24
I/O
GPIO on the Raspberry Pi - unused
11
GPIO22
I/O
GPIO on the Raspberry Pi - unused
12
GPIO23
I/O
GPIO on the Raspberry Pi - unused
13
KEYIRQ
I
Interrupt for the push buttons (Reserved for next revision)
14
GND
P
Ground Pin, connected to the main system Ground of the Raspberry Pi
15
PENIRQ
I
Interrupt for the touchscreen controller
16
GPIO18
I/O
GPIO on the Raspberry PI – Can be used for PWM Backlight, else unused
17
GND
P
Ground Pin, connected to the main system Ground of the Raspberry Pi
18
GPIO15
I/O
GPIO on the Raspberry Pi - unused
19
GPIO4
I/O
GPIO on the Raspberry Pi - unused
20
GPIO14
I/O
GPIO on the Raspberry Pi - unused
21
GPIO1
I/O
GPIO on the Raspberry Pi - unused
22
GND
P
Ground Pin, connected to the main system Ground of the Raspberry Pi
23
GPIO0
I/O
GPIO on the Raspberry Pi - unused
24
+5V
P
+5V Supply Pin, connected to the main 5V supply of the Raspberry Pi
25
+3.3V
P
+3.3V Supply Pin, connected to the main 3.3V supply of the Raspberry Pi
26
+5V
P
+5V Supply Pin, connected to the main 5V supply of the Raspberry Pi