TI工程師您好:
我想由GPIO腳提供3.3V驅動繼電器RELAY,想請問3.3V能提供的電流多大?
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这个在芯片datasheet第32页的7.4 Recommended Operating Conditions中有说明,一般为4或者8mA。www.ti.com.cn/.../tms320f28335.pdf