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2.13.2 DSI Display Expansion Connector Interface
A third display option for the Pandaboard ES is to plug an external display module into the DSI
display expansion connector J7. This connector is a 40-pin, 0.8mm pitch connector (Hirose P/N
FX6A-40P-0.8SV91), and is mounted on the back side of the Pandaboard ES PCB. See
Figure 10 below for the orientation/pin numbering of this connector as viewed from the back
side of the PCB.
A block diagram of the Pandaboard ES Display Expansion interface is shown in Figure 11 on page
36.
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OMAP4460 Pandaboard ES
System Reference Manual
Pin#
Signal
1
VDD_VAUX2
2
VIO_1V8
3
h_DSS_DAT20
4
h_DSS_DAT21
5
h_DSS_DAT17
6
h_DSS_DAT18
7
h_DSS_DAT15
8
h_DSS_DAT16
9
h_DSS_DAT7
10
h_DSS_DAT13
11
h_DSS_DAT8
12
NUSB_PWR
13
h_DSS_DAT9
14
H_I2C2_SCL
15
h_DSS_DAT6
16
h_DSS_PCLK
17
h_DSS_DEN
18
h_DSS_HSYNC
19
GND
20
GND
Table 7: LCD Expansion Connector "B" Pin Definitions (J4)
I/O
Description
PWR Power rail (adjustable from 1.2V to 2.8V)
PWR
1.8V system I/O voltage
I
LCD Pixel Data bit 20
I
LCD Pixel Data bit 21
I
LCD Pixel Data bit 17
I
LCD Pixel Data bit 18
I
LCD Pixel Data bit 15
I
LCD Pixel Data bit 16
I
LCD Pixel Data bit 7
I
LCD Pixel Data bit 13
I
LCD Pixel Data bit 8
O
Input Power Enable
I
LCD Pixel Data bit 9
I
I2C2 Serial Clock
I
LCD Pixel Data bit 6
I
LCD Pixel Clock
I
LCD Data Enable
I
LCD Horizontal Sync
PWR Ground bus
PWR Ground bus
Revision 0.1
September 29, 2011
DOC-21054
Page 34 of 82
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