摘要
介绍一种LED大显示屏用的DMA逻辑电路控制下多达16路数据串行高速直传接口,其特点是传输速度快,数据量大。
This article introduces a design of high speed 16 channel data direct series transmission interface controlled by DMA logic circuit for LED super screen display.It features with high speed transmission,large amount of data,and the transmission time is independent of program.