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https://e2e.ti.com/support/rf-microwave-group/rf-microwave/f/rf-microwave-forum/776849/trf3722-check-whether-the-pll-is-locked-via-the-spi-read-back
团队、
是否有办法通过 SPI 读回来检查 PLL 是否已锁定？ 还是 LD 输出引脚是唯一的方法？
