Aiming at the interrupt storm performance bottleneck existing in high-speed gyro attitude signal acquisition of aerospace vehicles, an embedded heterogeneous multi-core data acquisition system based on Xilinx ZYNQ-7000 SoC is proposed for inertial measurement unit (IMU) gyro signal sampling. On the hardware layer, a sensor data interface IP conforming to AXI4-Stream protocol is designed in programmable logic (PL) to collect high-frequency gyro original signals, and an AXI DMA controller builds a wideband direct peripheral-DDR transmission channel to realize zero-copy data writing, greatly reducing processor resource occupation under continuous inertial attitude sampling. On the software laye... More >