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如何完美的關閉CC2640R2F串口通訊.



HI TI,

我們客戶需求需使用到串口,還有低功耗休眠,

我發現,我們做了uart_close後,在做power_shutdown後,

電流大約是1.2uA,

但我看了datasheet中,power_shutdown應該是150nA,

我在power_shutdown後,把PCB板的2640R2的UART TX把它關開,

這樣子,功耗就可以降下來,

所以感覺應該是uart_close後,

是不是針對uart TX,RX的腳位,需另外處理呢???

可否告知一下,要如何完美的去關閉UART?

謝謝.