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Revision 0.1
OMAP4460 Pandaboard ES
System Reference Manual
September 29, 2011
DOC-21054
See Table 5 for the GPIOs used on the Parallel display interface and a description of their function. This
table does not include the 28 parallel display signals (DATA[23:0], PCLK, VSYNC, HSYNC, and DE).
NOTE: no configuration changes are required to switch between usage of the onboard DVI connector or
an external display plugged into the display expansion connectors.
GPIO
GPIO_0
GPIO_122
Signal Name
H_GPIO_0/
TFP410_NPD
DVI_MSEN
Description
TFP410 Device Power down (note: this GPIO goes through a voltage
translator to meet the 3.3V I/O requirement of the TFP410 on this pin)
1 = Normal Operation, 0 = Power Down
TFP410 Monitor Sense
0 = Powered on receiver sensed at the differential outputs
1 = No powered on receiver detected. (note: this output from the
TFP410 is open-drain and has a pull-up to 1.8V, so it is connected
directly to OMAP)
Table 5: DVI-D Display GPIO Definitions
See Table 6 and Table 7 for the pinout of the display expansion connectors.
Pin#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Signal
DCIN_JACK
DCIN_JACK
h_DSS_DAT1
h_DSS_DAT0
h_DSS_DAT3
h_DSS_DAT2
h_DSS_DAT5
h_DSS_DAT4
h_DSS_DAT12
h_DSS_DAT10
h_DSS_DAT23
h_DSS_DAT14
h_DSS_DAT19
h_DSS_DAT22
H_I2C2_SDA
h_DSS_DAT11
h_DSS_VSYNC
H_DPM_EMU2
GND
GND
I/O
PWR
PWR
I
I
I
I
I
I
I
I
I
I
I
I
I/O
I
I
I
PWR
PWR
Description
DC rail from the Main DC supply
DC rail from the Main DC supply
LCD Pixel Data bit 1
LCD Pixel Data bit 0
LCD Pixel Data bit 3
LCD Pixel Data bit 2
LCD Pixel Data bit 5
LCD Pixel Data bit 4
LCD Pixel Data bit 12
LCD Pixel Data bit 10
LCD Pixel Data bit 23
LCD Pixel Data bit 14
LCD Pixel Data bit 19
LCD Pixel Data bit 22
I2C2 Serial Data
LCD Pixel Data bit 11
LCD Vertical Sync Signal
DPM_EMU2/GPIO_13
Ground bus
Ground bus
Table 6: LCD Expansion Connector “A” Pin Definitions (J1)
Page 33 of 82
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