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ST25R3919B: EXT_LM voltage level

Gilles_FR
Visitor

‎2025-12-09 12:20 AM

Hi

From the ST25R3919B datasheet, I cannot find or understand the voltage level of EXT_LM. Does the EXT_LM voltage level depend on the VDD supply?”

BR

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1 REPLY 1
Ulysses HERNIOSUS
ST Employee

‎2025-12-09 1:24 AM

Hi,

 

EXT_LM is being driven by VDD_TX.

BR, Ulysses

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