Phytec 1337.1, Hardware Manual

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Display Adapter LCD-014-x / LCD-017-x
10
©
PHYTEC Messtechnik GmbH 2011 L-758e_1
2.1.2 Display Power Connector (X3)
The display power connector X3 (AMP microMatch 8-188275-2)
provides all supply voltages needed to supply the display and a
backlight.
Table 3
shows the pinout with pin names, descriptions and voltages.
Pin # Pin Name Voltage Description
1 GND Ground
2 LCD_3V3 3.3 V
3,3V power supply display /
backlight
3 GND Ground
4 LCD_5V 5.0 V
5V power supply display /
backlight
5 GND Ground
6 LCD_5V 5.0 V
5V power supply display /
backlight
7 GND Ground
8 LCD_5V 5.0 V
5V power supply display /
backlight
9 GND Ground
10 DISP_BRIGHT 3.3 V
PWM brightness Input
(see
Table 2
)
11 12V_Backlight 12.0 – 24.0 V Backlight power supply
12 12V_Backlight 12.0 – 24.0 V Backlight power supply
Table 3: Display power connector signal description
Caution:
On a custom board we recommend connecting all ava5V input
pins and at least the matching number of GND pins to the power
supply system.
Please refer to
section 3
for more information.