7481 - MachXO3/MachXO2: Should PB231101 be followed when using EFB at usermode?

7481 - MachXO3/MachXO2: Should PB231101 be followed when using EFB at usermode?

Solution: PB231101 applies for for EFB even at usermode. Issue #1: Race condition between CS and MCLK at the end of SPI transaction: This issue occurs even at user mode since EFB block is also involved with this issue. To avoid issue in SPI communication, please make sure to follow the suggested pull up for CS(10k) and MCLK(1k). Issue #2: Race condition between MCLK OE and rising transition This issue could occur even at usermode. Please follow Product bulletin's hardware workaround to avoid the ringing issue.