AL422B使用说明，高速双口RAM，带2套可以同时操作的数字存储器。在摄像头视频采集时作用很大，详细说明了高速双口RAM的使用说明和操作步骤。-AL422B instructions, high-speed dual-port RAM, with 2 sets of simultaneous operation of digital storage. Video capture in the camera when the role of large, elaborate high-speed