The CS5801 is a HDMI2.0b to DP1.4a converter. CS5801 has a HDMI2.0b input and the maximum bandwidth is up to 18Gbps. It supports the highest resolutions of 4k@60Hz. For DP1.4 output, it consists of 4 data lanes, supporting 1.62Gbps, 2.7Gbps, 5.4Gbps link rate. The build-in optional SSC function reduces EMI effect. The embedded MCU is based on a 32-bit RISC-V core with internal serial flash. The CS5801 is suitable for multiple market segments and display applications, such as monitor, Dongles, Mobile systems, and embedded applications.


  • HDMI specification v2.0b compliant receiver, data rate up to 6-Gbps per channel

  • VESA DisplayPortTM (DP) v1.4 compliant transmitter

  • VESA embedded DisplayPortTM (eDP) v1.4 compliant transmitter

  • Support both HDCP 1.4 & HDCP2.3 with on-chip keys

  • Support RGB 4:4:4 8/10bit bpc and YCbCr 4:4:4, 4:2:2, 8/10bit bpc

  • AUX channel, I2C host interface for chip control

  • Embedded EDID

  • Embedded 32-bit RISC-V with SPI flash controller

  • Require only one crystal to generate all timing