1. Features
1  eDPx Receiver
2 1/2/4/8 configurable data lanes
3 Input data rate is up to 3.75Gbps
4 Adaptive receiver equalization for PCB and cable losses
5 Support 3-byte,4-byte mode
6 Support 6bit,8bit,10bit color depth
7 Support 1/2/4 sections input mode
8 Support Center Spread Spectrum ,±5000ppm@30kHz
9  eDP/DP Transmitter
10 Compliant with VESA eDP1.4/DP 1.2
11 Support 1.62/2.7/5.4 Gbps per lane
12 Support 1/2/4 lanes
13 Support SSC
14 Programmable transmitter swing and pre-emphasis
15 1Mbps AUX channel
16 MCCS Over AUX Support
17 Support ASSR
18 Support video formats: 6bpc RGB,8bpc RGB/YCbCr
422/YCbCr 444,10bpc RGB/YCbCr422/YCbCr 444
19  Miscellaneous
20 Integrated microprocessor
21 Embedded SPI flash for firmware
22 Integrated 100/400kHz I2C slave
23 Firmware update through SPI or I2C interface
24 IIS/SPDIF input support(transmitter is DP mode)
25 CSC support
26 Dither support
27 UART Support
28 Backlight Control Support(transmitter is eDP mode)
29 Power supply: 3.3V for I/O and 1.2V for core
30 Temperature Range: -40°C ~ +85°C
31 64 pin QFN 7.5*7.5 package
2. General Description
The LT87121 is a high performance eDPx to eDP/DP
converter, designed to connect eDPx source to an
eDP/DP sink.
The device is capable of automatic operation which is
enabled by an integrated microprocessor that uses an
embedded SPI flash for firmware storage. System control
is also available through the use of a dedicated
configuration I2C slave interface.
3. Applications

Figure 3.1 Application Diagram

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