TMS470R1x DMA Restart Procedure

Texas Instruments

Published Date: 11/16/2005

Description

In many TMS470R1x applications direct memory access (DMA) is used to move data between the system memory and peripherals to communicate with external devices. When the external device detects a data error a request (normally an interrupt) will be sent to the TMS470 to restart the unfinished DMA block transfer. This application note presents a generic software approach to restarting the DMA chan