DA14531MOD能否支援AT command?

如題,我用UART轉USB的小模組 接到DA14531MOD為什麼下AT command 都沒反應?

硬體連接: Tx Rx GND VBAT (GPIO 沒接)

下面的網址提到有支援....Mouser說沒支援 我有點搞混了..

https://lpccs-docs.renesas.com/UM-140-DA145x-CodeLess/index.html

我在Mouser買的..

https://www.mouser.tw/ProductDetail/Renesas-Dialog/DA14531MOD-00F01002?qs=sGAEpiMZZMu3sxpa5v1qrgqRbH4gaXhhL6%2F5NdzAckc%3D

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