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https://e2e.ti.com/support/wireless-connectivity/wi-fi-group/wifi/f/wi-fi-forum/957459/wl1831mod-pullup-requirement-for-sdio-signals
尊敬的 TI 支持团队：
请阐明、除了时钟外、所有 SDIO 信号都需要任何上拉电阻器来将该模块连接到 Zynq 处理器。
是的、需要10k 上拉电阻。 如需更多信息、请查看我们的设计检查清单- https://www.ti.com/lit/zip/swru554
BR、
Vince
