I'm busy with the Embedded System Designer exam these days, and I don't know if this certificate will be useful in the future, so I'll get it done first! Hehe...
1.After the CPLD EPM7064S is powered on, the level output of one port always changes to a high level for 1s before returning to normal output. Before the power is turned off, it also changes to a high
For the push-pull topology in the figure below, the battery voltage input is about 40 volts. For example, when the lower tube is turned on and the upper tube is turned off, it works normally. But when
The written program is downloaded to SDRAM or Nand flash through U-BOOT. The timing of the running lights is different. What's going on? It is much faster when in SDRAM, and much slower when booting f
We use a human-machine interface of wince4.2 system. I think I should be able to write programs for it with vs.net. So I wrote a very simple program. The project type I chose was intelligent device.ne