Posted on March 31, 2014 at 12:49Dear All, I've recently upgraded the CPU on a product using a 407 device, to a 427 device. We are using the DMA2, in memory to memory mode, to write from external SRAM to a display controller also on the external bus...

Posted on February 14, 2014 at 11:46Dear All, I�m currently trying to get a new board up and running. I keep ending up in the Hardfault Handler with an undefined instruction. Seems that the stack pointer is somehow pointing to somewhere out of the...

Posted on October 09, 2013 at 10:19Dear All, If I use the FMC external bus to drive SDRAM and also some NOR flash and a display via an SSD1963, do you recommend buffering the bus between the SDRAM and the Flash / Display? I've looked at various app...

Posted on April 15, 2013 at 15:04Hello, I'm trying to configure DMA2 stream 0 to do a transfer from external SRAM on the FSMC to a SSD1963 Display controller also on the FSMC. This is my code can't seem to get it working, I assume this is possible? ...

Posted on June 11, 2012 at 10:32Hi, Can anyone recommend an RS485 transceiver that can be used with a STM32 UART in half duplex (one wire mode) ?  I've considered an ST3485E but would need extra GPIO lines and software to drive the receiver and driv...