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MIPI C-PHY vs MIPI D-PHY-Difference between MIPI C-PHY,D-PHY

This page compares MIPI C-PHY vs MIPI D-PHY mentions basic difference between MIPI C-PHY and MIPI D-PHY.

MIPI stands for Mobile Industry Processor Interface. It defines set of physical layers such as M-PHY, C-PHY and D-PHY for camera, display and chip to chip communication.

MIPI defines protocol interface specifications for the following.
• application processor and camera
• application processor and display
• Baseband and RF IC

Following are the features of MIPI variants C-PHY V1.0 and D-PHY V1.2.
• Both are efficient uni-directional streaming interface.
• Support low speed in-band reverse channel.

Specifications MIPI C-PHY MIPI D-PHY
Full form C stands for CSI (Camera Serial Interface) D stands for DSI (Display Serial Interface)
Function specifies serial interface between processor and camera module. specifies serial interface between processor and display module.
Clock mechanism Uses embedded clock Uses DDR source sync clock
channel equalization encoding to reduce data toggle rate data skew control relative to clock
configurations 1 lane (trio), simplex, 3 pins 1 lane plus clock , simplex, 4 pins
max. transmitter swing amplitude LP: 1300 mV (peak), HS: 425 mV (peak) LP: 1300 mV (peak), HS: 360mV (peak)
HS (data rate per lane) 80Msym/sec to 2.5 Gsym/sec times 2.28 bit/sym
OR 5.7 Gbps (MAX) Aggregate
80 Mbps to approx. 2.5 Gbps (Aggregate)
LS (Data rate per lane) < 10 Mbps < 10 Mbps
BW per port (3 or 4 lanes) Approx. 17.1 Gbps per 3 lane port (Aggregate) (Maximum) Approx. 10 Gbps per 4 lane port (Aggregate) (Maximum)
Typical pins per port (3 or 4 lanes) 9 (3 lanes) 10 (4 lanes, 1 lane clock)

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