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DLPC3438: 长时间工作后投影停止

Part Number: DLPC3438

您好,

DLPC3438长时间工作,一般10~50小时,会出现投影停止问题。

发生问题时,测试与主板的I2C通讯正常,使用的是Trigger in模式,不投影后,测试Pattern Ready信号波形一直是高电平。

(工作正常时,Pattern Ready信号是低电平,Trigger in 信号发送后,Pattern Ready信号由低到高;I2C 配置9Eh:stop->Reset->start后,

Pattern Ready信号重新变为低电平。)

烦请帮助指点一下这个问题,

谢谢.