Posted on May 17, 2011 at 13:38Yeah thanks, I found that out yesterday evening too. That was the point where I resignated and decided to use NXP next time! The Bug seems to be found in 2008 and is still in the newest revisions of the chip! I do not ...
Posted on May 17, 2011 at 13:38Ok now I tried to transfer a buffer from external to internal SRAM and that does not work. Then I tried a transfer from internal to internal SRAM and that works fine. Transfer from external to external SRAM does not wo...
Posted on May 17, 2011 at 13:38The initialization is done in two steps. First the SPI and DMA is configured, later when the data shall be transferred the source and size is set and a transfer is initiated. Here the code fragments: Code:// Setup cloc...
Posted on May 17, 2011 at 13:38Thanks for your reply! Good to hear that the DMA should be able to transfer from external memory. I also thought that the mixing of 8Bit and 16Bit could be the problem. To eliminate this as a potential failure source, ...
Posted on May 17, 2011 at 13:38Hi, I experience problems with the DMA and SPI. I want to send data from a buffer stored in external memory to SPI1. The external memory ist 16Bit wide and the SPI1 is configured to send 8Bits. I set up the DMA1-Channe...