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hi3519DV500 spi2 没有时钟信号出来。
悬赏金¥ 100
已结题
SPI2_SCLK SPI2_SDO SPI2_SDI SPI2_CSN 四个管脚都复用了。SPI门钟时钟也打开。使用示波器检测不到时钟信号，请问一下有没有朋友知道还需要配置哪里？
注：四个管脚都配置成gpio，拉高拉低是没问题的。硬件是通的
我来回答
回答14个
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我最近也遇到这个问题，给个逻辑分析仪波形：
cs、sdo、sdi都正常，唯独sck做时钟不行。gpio、uart都没问题。
gpio测试：
uart测试：
认可0
或将文件直接拖到这里
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