Eurotech BitsyXb - J1: LCD Panel Interface Connector

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)