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DS90UH949A-Q1EVM or DS90UB949A-Q1EVM User's
1.1
General Description
The DS90Ux949A-Q1EVM (Evaluation Module) converts HDMI to FPD-Link III. This kit will demonstrate
the functionality and operation of the DS90Ux949A-Q1. The DS90Ux949A-Q1 is an HDMI to FPD-Link III
serializer which, in conjunction with the DS90Ux940-Q1/DS90Ux948-Q1 deserializers, takes the data from
HDMI serial stream and translates it into either single- or dual-lane FPD-Link III interface. The
DS90Ux949A-Q1 supports video resolutions up to 210 MHz for 3K (2880x1620) with 24-bit color depth.
The FPD-Link III interface supports video and audio data transmission and full duplex control, including
I2C and SPI communication, over the same differential link. In backward-compatible mode, the device
supports up to WXGA and 720p resolutions with 24-bit color depth over a single differential link.
The device supports up to 7.1 audio channels. Audio data received from the HDMI stream is encrypted,
serialized, and sent out on the FPD-Link III stream to a compatible deserializer. Up to 8-channel I2S
interface with maximum bit rate of 192 kHz.
The demo board is not intended for EMI testing. The demo board was designed for easy accessibility to
device pins with tap points for monitoring or applying signals, additional pads for termination, and multiple
connector options.
In this document:
1. The DS90UH949A-Q1EVM and DS90UB949A-Q1EVM devices are referred to as DS90Ux949A-
Q1EVM.
2. The DS90UH949A-Q1 and DS90UB949A-Q1 devices are referred to as DS90Ux949A-Q1.
3. The DS90UH926-Q1 and DS90UB926-Q1 devices are referred to as DS90Ux926-Q1.
4. The DS90UH928-Q1 and DS90UB928-Q1 devices are referred to as DS90Ux926-Q1.
5. The DS90UH948-Q1 and DS90UB948-Q1 devices are referred to as DS90Ux948-Q1.
6. The DS90UH940-Q1 and DS90UB940-Q1 devices are referred to as DS90Ux940-Q1.
SNLU232A – August 2018 – Revised May 2019
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DS90UH949A-Q1EVM or DS90UB949A-Q1EVM User's Guide
Copyright © 2018–2019, Texas Instruments Incorporated
SNLU232A – August 2018 – Revised May 2019
Chapter 1
Guide
5
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