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The FX3 has an ARM9 processor, which runs firmware to control the FPGA, and communicate with the USB host. The FX3 firmware is available in different flavors and is explained in detail in /wiki/spaces/INT/pages/3244122 Flex Config page.
HDMI transmitter
The Demo3 uses Analog Devices ADV7511 for HDMI transmitter. It supports HDMI 1.4 standard with 12-bit Deep Color. The digital video input supports both RGB and YCbCr. This block has the following interfaces
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