MCDP60x0 USB Type-C DP Alt-Mode Switching Retimer


The MCDP60x0 is a low power USB3.1 Gen1/Gen2 and DisplayPort1.4 retimer with an integrated USB Type-C 6:4 multiplexer suitable for desktop / laptop PCs, tablet and enterprise smartphone to support USB Type-C with DisplayPort alternate mode. The MCDP6000 can be also used for standard DisplayPort source and sink devices as a DP retimer.

The USB3.1 retimer supports both SuperSpeed (SS) bit rate (5Gbps), and SuperSpeedPlus (SSP) data rate (10Gbps). The USB3.1 retimer includes the link layer function and LTSSM and RTSSM to participate in the link training. The MCDP60x0 supports SS mode with BLR (Bit-Level Retimer) and SSP mode with SRIS (Separate Reference clock Independent SSC). The MCDP60x0 supports link power management with Ux entry and exits in both SS and SSP modes.

The DP1.4 retimer supports 1.62 Gbps, 2.7 Gbps, 5.4 Gbps, and 8.1 Gbps data rates. The DP1.4 retimer implements AUX_CH snooping function of DPCD addresses defined in the standard as well as the LT-tunable PHY Repeater DPCD registers.

The transmitter employs 3-tap FIR-based transmitter equalizer for SSP operation and fixed transmitter equalizer ranging from 3 dB to 4 dB for SS operation. The receiver employs an adaptive Continuous Time Linear Equalizer (CTLE) and a 4-tap Decision Feedback Equalizer (DFE).

The MCDP60x0 implements sophisticated and powerful monitor functions for troubleshooting on PHY and link layer, too.


  • USB 3.1 Gen1 / Gen2 Retimer
  • DisplayPort 1.4 Retimer
  • 6:4 integrated USB Type-C multiplexer
  • IC configuration via configuration pins or I2C
  • -23dB Insertion Loss compensation @5GHz
  • -27dB Insertion Loss compensation @4.05GHz
  • Eye opening monitor
  • Link status monitor
  • Power: 570mW in active mode
  • 4.5mm x 6.5mm Ex-VQFN (MCDP6000)

Block Diagram


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