飞思卡尔单片机XEG128 单片机, 卡尔

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FCS Warning (ID 25): writing to reserved register at pc = 0xc007'L. Value: 0x5, Memory Address: 0x13.

FCS Warning (ID 25): writing to reserved register at pc = 0xc0ed'L. Value: 0x0, Memory Address: 0xDC. SPI module is affected.
FCS Warning (ID 25): writing to reserved register at pc = 0xc0ed'L. Value: 0x12, Memory Address: 0xDE. SPI module is affected.
FCS Warning (ID 25): writing to reserved register at pc = 0xc0f6'L. Value: 0x0, Memory Address: 0xDC. SPI module is affected.
FCS Warning (ID 25): writing to reserved register at pc = 0xc0f6'L. Value: 0x34, Memory Address: 0xDE. SPI module is affected.


SPI的SPI0DR中写不进值，为什么会出现这样的情况？

其它寄存器也有这样的情况，写不进去值。