/* Configure the IO matrix for the device. On the FX3 DVK board,
* the COM port is connected to the IO(53:56). This means that
* either DQ32 mode should be selected or lppMode should be set
* to UART_ONLY. Here we are choosing UART_ONLY configuration. */
在GPIO的例程里，看到这样一段话，说的是把53-56引脚配置为uart的数据引脚，但是我在例程里完全找不到相关的配置，求大神们指教 |
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