Fixed _verified_ | Mipi Dphy Specification V25 Pdf
MIPI D-PHY v2.5 is a high-speed, low-power physical layer interface specifically designed for connecting megapixel cameras and high-resolution displays to application processors. This version introduced critical enhancements over previous iterations to support the increasing data demands of mobile and automotive systems. Key Specifications & Features
The transition from LP mode to HS mode requires strict adherence to initialization states ( LP-11 -> LP-01 -> LP-00 ). Version 2.5 clarifies the minimum and maximum bounds for $T_HS-PREPARE$ and $T_HS-ZERO$ . This fix ensures that receivers have sufficient time to enable internal 100-ohm terminations before the high-speed data burst arrives, eliminating initial bit corruption. Alternate Low-Power State (ALP)
A long-reach SerDes interface designed specifically for automotive ADAS and infotainment. Document Resources For technical implementation, the full MIPI D-PHY Specification v2.5 mipi dphy specification v25 pdf fixed
The MIPI D-PHY specification v2.5 PDF offers several benefits to designers and manufacturers, including:
Includes High-Speed (HS), Low-Power (LP), Alternate Low-Power (ALP), and CD modes. MIPI D-PHY v2
While older versions of D-PHY topped out at 1.5 Gbps to 2.5 Gbps per lane, version 2.5 expands throughput capabilities to support up to (and up to 9.0 Gbps per lane in specific configuration modes like C-PHY/D-PHY combo implementations). This allows a standard 4-lane configuration to achieve an aggregate bandwidth exceeding 18 Gbps. 2. Alternate Low-Power (ALP) State
LP-11 (Stop State) │ ▼ LP-01 (Drive Flip) │ ▼ LP-00 (Prepare State) ──► Start of THS-PREPARE window │ ▼ HS-0 (Zero State) ──► Receiver connects 100Ω termination (THS-ZERO) │ ▼ HS-SYNC Pattern ──► Leader sequence for RX word alignment │ ▼ HS Data Payload ──► Active streaming data (Up to 4.5 Gbps) │ ▼ HS-TRAIL / Post-amble ──► End of burst; disconnects termination │ ▼ Return to LP-11 Critical Timing Constraints to Enforce Version 2
The MIPI D-PHY specification v2.5 provides a flexible, scalable, and low-power interface solution for a wide range of applications.
The MIPI D-PHY v2.5 specification is widely used in a range of applications, including:
Each lane is a differential pair. Clock lanes handle continuous Double Data Rate (DDR) clock signals, while data lanes only carry signals when actively transmitting data.
To push performance further, v2.5 supported data rates up to 2.5 Gbps per lane with skew calibration, while maintaining 1.5 Gbps in standard D-PHY mode. Real-World Applications
