User Activity

Posted on November 14, 2014 at 15:15Hi I'm new in High frequency PCB design and i want to make my own STM32F439 board , so my question is : should i have any consideration in my design for signal integrity problems when maximum clock is 180 Mhz and ...
Posted on May 17, 2013 at 07:13Hi All I am using TFTP example in my project using STM32F2x7_ETH_LwIP_V1.1.0  library but my problem is about the transfer speed !! my results explain that a 255KB file transfer from Pc to ARM take about 3 minutes to c...
Posted on September 30, 2011 at 20:33Hi I have a problem in Ethernet start up using LWIP. the program always stick in a infinite loop in below line :while (ETH_GetSoftwareResetStatus () == SET) what is problem and what is this line means ? i use an...
Posted on September 10, 2011 at 21:56Hi Hi i have a problem with my STM32F207 ! after a while its getting so hot although its run the Program ! i measure the 3.3V current and see it is not normal and about 1.2 Amp !!!!!! I am sure that the VDD suppl...