In order to achieve real-time storage of the parameters during the launch of the flight

we give the circuit design and control logic design of onboard data storage based on the FPGA.For the requirements of high-speed data storage

we give an in-depth analysis on the write speed of FLASH in different programming mode via researching the structure of FLASH

which revolutionized the design of FLASH control logic.The recorder implements the interface control

write

erase

invalid block check of FLASH via Field programmable gate array.In this design

we present the reasonable solution to meet the high-speed data storage by using the efficient "zone" address management of FLASH.The practice has proved that the storage achieve the real time

reliable storage of parameters produced in the process of launching of the flight

it has met the needs of the practical engineering.