利用LM3S2B93设计电路,原本想利用片内LDO提供VDDC,但是在ERRATA中看到,利用片内LDO,存在问题There is a small risk of flash corruption or device failure on power up. The issue can occur with certain VDD and VDDC power sequences. The failure is not in the flash memory itself but in the control logic to the flash.