NHD-FT81x-SHIELD User Guide
Rev 1.0
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www.newhavendisplay.com
TFT Connector Pin Description
The EVE2 TFT Module is connected to the NHD-FT81x-SHIELD via the FFC connector labeled “LCD1” (20-Pin 1.0mm FFC
Bottom-Contact). The table below describes the pins of the TFT connector and shows their connection to the Arduino.
Pin No.
Symbol
Arduino Pin
Function Description
1
VDD
-
Power supply for TFT and FT813 Video Engine (3.3V)
2
GND
GND
Ground
3
SCK
D13
SPI Clock (Input)
4
MISO/IO1
D12
SPI MISO (Output) / Quad-SPI mode: SPI data line 1
5
MOSI/IO0
D11
SPI MOSI (Input) / Quad-SPI mode: SPI data line 0
6
/CS
D10
SPI Chip Select (Input), Active LOW
7
/INT
D9
Interrupt to host (Output), Active LOW
8
/PD
D8
Power Down control (Input), Active LOW
9
AUDIO_L
-
Audio PWM out (Output)
10
N.C.
-
No Connect
11
GPIO0/IO2
-
General Purpose IO0 / SPI Quad mode: SPI data line 2
12
GPIO1/IO3
-
General Purpose IO1 / SPI Quad mode: SPI data line 3
13
GPIO2
-
General Purpose IO2
14
GPIO3
-
General Purpose IO3
15 - 16
N.C.
-
No Connect
17 - 18
VBL
-
Power supply for LED Backlight Circuit (3.3V/5V)
19 - 20
GND
GND
Ground
Connecting with an Arduino
To use the NHD-FT81x-SHIELD, simply place it onto your Arduino as shown below:
