Posted on May 17, 2011 at 12:28When I run the Virtual Com Port demo and connect the Keil board to the PC, Windows installs an ''unknown USB device'' which has the following device instance ID: USB\VID_0000&PID_0000\5&1B4CAF5C&0&2 Can anyone suggest ...
Posted on May 17, 2011 at 12:26Greg, thanks for the suggestion. It makes no difference to the DMA rate - not suprising I suppose as instruction fetches via the IBus do not influence the DMA process. However, I've learnt a lot more about my eval boar...
Posted on May 17, 2011 at 12:26I am running code on the Keil STM32 Eval Board to do a parallel transfer from an SRAM array to GPIO-B (CPU=72MHz/APB2=72MHz/APB1=36MHz). The transfers are edge-triggered from TMR2. I can get the TMR2 output-compare to ...
