The invention discloses an MIPI C-
PHY signal generating method, device and 
system. The method comprises the following steps: 1) receiving a C-
PHY signal starting parameter and image 
source data, and performing 
data management and flow control according to the starting parameter; 2) packaging a code 
stream in the starting parameter to form an LP 
signal group packet; 3) performing one-hot encoding on the data of the LP signal group packet, mapping an encoded LP signal to a 3-wire for transmission; 4) packaging the image 
source data, and distributing a packaged HS signal onto each lane; 5) encoding the HS signal, then outputting the encoded HS signal, and converting the parallel HS signal into a serial output of each wire; and 6) 
aliasing a high speed signal and a 
low speed signal to form a C-
PHY signal source, and outputting the C-PHY 
signal source to a module. parallel 6lane is maximally supported, the 
data transmission speed of 17.1 Gbps per lane meets the 
throughput requirement of a C-
phy module of any resolution on the market, the adaptability is high, the 
layout and wiring are simple, and the hardware cost is low, so that the MIPI C-PHY signal generating method, device and 
system are worthy of popularization and application.