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https://e2e.ti.com/support/wireless-connectivity/other-wireless-group/other-wireless/f/other-wireless-technologies-forum/627255/tms37157-batteryless-operation
您好！
是否有人知道 TMS37157的 Vbat 引脚是否必须连接到电池或充电电容器才能进行 SPI 操作？ TMS37157的 SPI 无法从 内部稳压器获得电源？
谢谢
子项
