You are working with an LPDDR4 MT53E1G32D2FW-046 on the STM32MP257-DK, which can operate at 2133MHz. At these frequencies, special precautions are necessary to avoid interference and, above all, delayed signals. The last point is achieved by carefull...
Welcome @PAULZHAO, to the community!
The maximum ratings are not normal conditions, but the parameters beyond which the function is no longer guaranteed and the device may be destroyed. There is no error flag for an overvoltage.
Hope that helps?
Rega...
Welcome @DanielGouvea, to the community!
The output current of the MOC3023 is just sufficient to control the BTA40. However, the BTA40 is not a snubberless TRIAC and therefore requires a snubber circuit. Further information on this and the design of...
The Community is not a technical support team, but a peer-to-peer forum (see Terms and Conditions, article 2 etc). As it is very likely that no community user will be able to help you, please ask your questions again to your local distributor or to t...
Ok - let's assume that this is a genuine ST-LINK/V3:
How did you connect the ST-LINK/V3?Which software did you use for programming?Please add screenshots of the error.