The invention discloses a
satellite integrated electronic
system. According to the
system, a heterogeneous
FPGA architecture is adopted, a
satellite service management module is deployed on a first
FPGA chip, and a measurement and control module and an
encryption and decryption module are integrated on a second
FPGA chip. The
system realizes fault isolation through the design of an independent power domain and a reset domain of the measurement and control and
encryption and decryption module, ensures that a measurement and control link is not interrupted through a hardware bypass channel in the second
FPGA chip, and improves the reliability of the system. The
encryption and decryption module adopts an encryption mode mapping graph and
management system, supports a dynamic
key management mechanism triggered based on three events of periodic switching, mapping graph updating and periodic parameter updating, can flexibly configure an encryption strategy according to an on-
orbit task demand, and improves the security and adaptability of the system. The problems that in the prior art,
chip performance and cost are difficult to balance, the integration level is low, and a whole
machine fails due to a single-point fault are effectively solved, and the method is particularly suitable for a
microsatellite platform with strict requirements for cost, size and reliability.