On the LPC55S6x I am getting a response timeout after CMD 8 for the SD card is called.
It does not seem to be a hardware issue, because I used an oscilloscope to verify that a response is sent.
The dark blue waveform is the clock, and the dark pink is the response.
Hello,
How about first test the sdcard examples under sdk, does it can work well?
BR
Alice
I have tested the sd card interrupt example and it did not work. As yo u cna see, the program does not continue after CMD 8. The sd card cannot initialize, so I doubt any of the examples can work. It stops at the function ProbeBusVoltage.
Hello alee1,
Which SDK version do you used? How about the latest version SDK v2.12.0?
Do you use LPCxpresso55s69-evk board?
And what about your card capacity?
BR
Alice