Phytec phyCORE-PXA255, Hardware Manual

Page: 56 / 106

Development Board for phyCORE-PXA255
48 
PHYTEC Meßtechnik GmbH 2004 L-657e_0
Signal A B Signal
GND 1 1 PCLK
GND 2 2 LCLK
GND 3 3 FCLK
GND 4 4 R0
R1 5 5 R2
R3 6 6 R4
R5 7 7 GND
G0 8 8 G1
G2 9 9 G3
G4 10 10 G5
GND 11 11 B0
B1 12 12 B2
B3 13 13 B4
B5 14 14 GND
LCD_ENAB
15 15
3.3V VCC
3.3V VCC
16 16
LCD_POS1
LCD_POS2
17 17
LCD_POS3
Table 36: LCD Connector at X33
The supply voltage for the TFT display and the inverter can be turned
on with the help of a register in control PLD U6. The brightness of
the background illumination can be set using the controller’s PWM0
signal. The inverter is located on the Development Board near the
LCD inverter cable.
> H e l l o
P W M 0
I n v e r t e r
E n a b l e
5 V
Figure 24: LCD Inverter Circuitry