PS8640 – MIPI Single Channel DSI to eDP Converter

MIPI DSI to Embedded DisplayPort Video Format Converter

The PS8640 is a low power MIPI-to-eDP video format converter supporting mobile devices with embedded panel resolutions up to 2048 x 1536.  The device accepts a single channel of MIPI DSI v1.1, with up to four lanes plus clock, at a transmission rate up to 1.5Gbit/sec per lane.  The device outputs eDP v1.4, one or two lanes, at a link rate of up to 3.24Gbit/sec per lane.

DP8640 Block Diagram 20140325

KEY FEATURES

MIPI DSI Receiver Interface

  • Compliant to MIPI DSI v1.1, D‐PHY v1.1 and DCS v1.1 specifications
  • Single Channel DSI with 1/2/3/4 lane scalability, transmission rate up to 1.5Gbps/lane
  • Support for Video Mode only
  • Supports the following pixel formats: RGB565, loosely RGB666, RGB666, RGB888 and RGB101010

eDP Transmitter Interface

  • Compliant to VESA Embedded DisplayPort Standard (eDP) v1.4
  • 1 or 2 lane operation
  • Link rates of 1.62, 2.16, 2.43, 2.7, and 3.24Gbps
  • Configurable output swing down to 200mVpp
  • Supports Full/Fast/No link training
  • 18/24/30 bit RGB color output formats
  • Optional DisplayPort SSC 0.5% down spreading
  • Supports eDP authentication Alternate Scrambler Reset (ASSR)

ŸGeneral

  • Low power consumption suitable for mobile devices
  • 1.2V/1.35V Core & 3.3V I/O power supplies
  • Slave I2C interface for device control
  • Supports external 27MHz crystal or oscillator
  • ESD: HBM 8kV
  • Operating temperature range availability: 0° to 70°C (commercial), -40° to 85°C (industrial)
  • 7x7mm 56‐pin QFN Halogen free RoHS package

APPLICATIONS

  • Tablets
  • Smartphones
  • Notebook PCs
  • Other embedded display devices with high resolution panels