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6.1.1 DLP LightCrafter 4500 to PandaBoard Interface
As shown in
Figure
PandaBoard provides 1.8 V to the DLP LightCrafter 4500 to level-shift all the signals interfacing the two
boards together. The following OMAP4 GPIOs control the routing of OMAP4 peripherals to the
corresponding DLPC350 peripherals:
•
To power down the output of TFP401 and enable the level shifters in the 24-bit RGB interface, the
OMAP4 processor must drive GPIO_140 (SYS_MSTR_MUX_SEL) high.
•
To connect the OMAP4 USB3 bus to the DLC350, OMAP4 must drive GPIO_39 (SYS_USB_SEL)
high.
•
To connect the OMAP4 I2C2 bus to the DLPC350 I2C1 bus, OMAP4 must drive GPIO_51
(SYS_I2C_OE) high.
•
To disconnect UART output of DLPC350 from J20 and route it to OMAP4 UART4, OMAP4 must drive
GPIO_33 high.
•
To connect the triggers from DLPC350 to OMAP4 GPIOs, OMAP4 must drive GPIO_61
(SYS_TRIGGER_SEL) high.
Table
6-1,
Table
6-2,
PandaBoard 4500 with the DLPC350 in the DLP LightCrafter 4500.
DLPU011E – July 2013 – Revised September 2015
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Figure 6-1. DLP LightCrafter 4500 With PandaBoard 4500
6-2, the DLP LightCrafter 4500 supplies 5-V power to the PandaBoard. The
Table
6-3, and
Table 6-4
Copyright © 2013–2015, Texas Instruments Incorporated
list the signals interfacing the OMAP4 processor in the
PandaBoard 4500
57
PandaBoard Interface
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