Eurotech BitsyXb, User Manual

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Hardware Reference
110118-0001A 15
3.3.1 J1: LCD Panel Interface Connector
Board Connector: 2x17 shrouded header, 2mm, Samtec STMM-117-02-G-D
Recommended Board-to-Cable Connector: TCSD series
Recommended Board-to-Board Connector: ESQT series (e.g. ESQT-117-02-F-D-500)
The following table describes the signals on the LCD panel interface connector. Signal names
shown are for TFT active matrix color LCDs at 16 bpp (bit-per-pixel). For other color depths and
LCD technologies, consult the table in section 4.6.4. Signals from the processor are buffered and
EMI filtered before reaching J1. See section 4.6 for further details about displays.
Pin
PXA270
Signal Name
Color Active TFT Display at 16bpp
Eurotech Signal
Name
Description
1 PNL_VEE Vee (contrast) (3.3.6, 4.6.7)
2 GND ground
3 L_PCLK PNL_PIXCLK Pixel Clock
4 L_LCLK PNL_HSYNC Horizontal Sync.
5 L_FCLK PNL_VSYNC Vertical Sync.
6 GND ground
7 LDD15 PNL_RED0 Red Bit 0
8 LDD11 PNL_RED1 Red Bit 1
9 LDD12 PNL_RED2 Red Bit 2
10 LDD13 PNL_RED3 Red Bit 3
11 LDD14 PNL_RED4 Red Bit 4
12 LDD15 PNL_RED5 Red Bit 5
13 GND ground
14 LDD5 PNL_GREEN0 Green Bit 0
15 LDD6 PNL_GREEN1 Green Bit 1
16 LDD7 PNL_GREEN2 Green Bit 2
17 LDD8 PNL_GREEN3 Green Bit 3
18 LDD9 PNL_GREEN4 Green Bit 4
19 LDD10 PNL_GREEN5 Green Bit 5
20 GND ground
21 LDD4 PNL_BLUE0 Blue Bit 0
22 LDD0 PNL_BLUE1 Blue Bit 1
23 LDD1 PNL_BLUE2 Blue Bit 2
24 LDD2 PNL_BLUE3 Blue Bit 3
25 LDD3 PNL_BLUE4 Blue Bit 4
26 LDD4 PNL_BLUE5 Blue Bit 5
27 GND ground
28 L_BIAS PNL_LBIAS Data Enable
29
PNL_PWR Vcc (5 V) or 3.3 V ()
30
31
PNL_RL
Horizontal mode select
(set by R193 or R207)
32 PNL_UD
Vertical mode select
(set by R191 or R192)
33
ADSmartIO
PD0
PNL_ENA Panel Enable
34
ADSmartIO
PD4 VCON
low-voltage adjust for contrast
control of some displays (6.3.2)
(zero to PNL_PWR volts)