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Omap-L138 McBSP口接收溢出问题



在使用138McBSP口做从接收数据出现接收溢出现象,表现为:

1、寄存器SPCR_RFULL位被置1;

2、异常之后无法恢复;McBSP接收重新配置和PSC操作均不能正常工作;

3、只能机器硬复位之后才能正常工作。

请大神帮忙分析。