2 Replies Latest reply on Sep 26, 2016 6:11 AM by dmv8086_1887316

    S25FL208K not responding




      I am developing an application where a microcontroller has to communicate with a s25fl208k memory by spi.


      I have been trying to communicate with the not flash, so I power it up, configure the spi (100000 kbps, msb) and send the Read Manufacturer / Device ID (90h) command, but I always get no response (all 0s). I checked the SO line with the oscilloscope and it is always 0, no matter what spi polarity and phase I choose.


      My pcb configuration is:






      Please, could you help?