1. Features

 HDMI2.0 Receiver

 Compliant with HDMI2.0b, HDMI1.4 and DVI1.0

 Compliant with HDCP2.3, HDCP2.2 and HDCP1.4

 Data rate up to 6Gbps

 Support up to 4Kx2K@60Hz

 Adaptive receiver equalization

 AC and DC couple capable

 Support 3D and HDR

 Support 8/10/12-bit color depth

 Support TMDS descrambling for EMI/RFI reduction

 Support SCDC and CEC2.0

 Support ARC

 Integrated EDID shadow

 5V tolerance DDC/HPD I/Os

 HDMI2.0 Transmitter

 Compliant with HDMI2.0b, HDMI1.4 and DVI1.0

 Compliant with HDCP2.3, HDCP2.2 and HDCP1.4

 Data rate up to 6Gbps

 Support up to 4Kx2K@60Hz

 Programmable transmitter swing and pre-emphasis

 Support channel swap(arbitrarily) and polarity

inversion(independent)

 DC couple capable

 Downstream receiver sensing

 Support 3D and HDR

 Support 8/10/12-bit color depth

 Support TMDS scrambling for EMI/RFI reduction

 Support SCDC and CEC2.0

 Support ARC

 5V tolerance DDC/HPD I/Os

 Digital Audio Output

 Up to four I2S interface supporting 8-channel audio, with

sample rates of 32~192 kHz and sample sizes of 16~24

bits

 SPDIF interface supporting PCM, Dolby Digital, DTS

digital audio at up to 192kHz frame rate

 IEC60958 or IEC61937 compatible

 Miscellaneous

 Internal rterm calibration

 External crystal supports 25MHz

 Integrated microprocessor

 Integrated SPI master for embedded SPI flash

 Embedded SPI flash for firmware and HDCP keys

 Integrated 100/400kHz I2C slave for debug and firmware

update

 1.2V core power supply & 3.3V I/O power supply

 -40°C to +85°C ambient operating temperature range

 128-pin 14x14mm QFN package

2. General Description

The LT8641UXE HDMI2.0/1.4 Switch features a 4:1 switch

compliant with HDMI2.0/1.4 specification, max 6Gbps high

speed data rate, adaptive equalization RX input and pre emphasized TX output to support long cable application.

LT8641UXE HDMI2.0/1.4 Switch automatically detects the

cable loss, and adaptively optimize the equalization setting.

It supports