TI 诚邀您参与论坛问卷调查,帮助我们改善技术支持体验。几分钟便可完成,将随机抽取30名用户送出快充数据线,点击参与

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

WIFI板高温老化后无WIFI

Other Parts Discussed in Thread: WL1835MOD

请教下,WL1835的WIFI板在调试时工作正常,经过整机高温老化后,没有WIFI。

经测试,WL_SDIO0~WL_SDIO3均为高电平,WL_CMD、WL_CLK信号在WIFI板启动时有波形,但WL_CLK波形异常(频率低于正常频率,仅有97KHz)。WL_EN信号在WIFI板启动时,有4次被拉低。32768KHz信号正常。请大家指导下,各信号波形如下图所示:

32768Hz 时钟信号

WL_EN使能信号

WL_SDIO_CLK 仅97KHZ

WL_SDIO_CMD信号,该信号仅在启动时有