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M31 MIPI IP for Mobile/Automotive Applications – M31 MIPI M-PHY v3.1 IP




Overview


MIPI M-PHY is a serial interface technology with high bandwidth capabilities, which is particularly developed for mobile applications to obtain low pin counts along with excellent power efficiency. As a MIPI Alliance contributor and leading Interface IP provider, M31 provides silicon-proven and low-power M-PHY in different process nodes. The M-PHY IP follows MIPI M-PHY v3.1 spec and supports full range of high-speed (HS) and low-speed (LS) data transfer. It is compliant to the RMMI interface which allows seamless integration with upside controllers. The M-PHY IP is optimized for UFS (Universal Flash Storage) and DigRF applications. It supports not only a very short sync length for HS transmission but also a reference-less mode during LS operation. Meanwhile, M31 also provides various lane configurations for the M-PHY IP to meet different requirements of bandwidth.




Highlights


  • Supports RMMI interface for applications like UNIPRO protocol (UFS,CSI-3, DSI-2), and DigRF
  • High speed gears, HS-G1A/B, HS-G2A/B and HS-G3A/B, with scalable power consumption
  • Burst mode CDR with short sync length (<16SI)
  • Low speed PWM Gears from G1 to G4 with ultra-low power consumption
  • Supports reference-less function during low-speed operation
  • Common lane configuration facilitates the lane scalability
  • Low latencies to switch to/from different power states
  • Supports multiple signal amplitudes
  • Supports strong BIST functions to ease the mass production tests
  • Certified with ASIL-B of ISO 26262 (16nm)
  • Available in 12nm, 16nm, 28nm, 40nm, and 55nm process
  • MIPI M-PHY 4.0 in 7nm is coming soon.




Eye Diagram of M-PHY TX HS-G3 through Ref. Channel 2 with 6dB De-Emphasis





SJ Sens at 5824MBit





Block Diagram:MIPI M-PHY