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Ticket Name: TDA2EVM5777: TDA2EVM5777 EVM_3V3_SD | |
Query Text: | |
Part Number: TDA2EVM5777 Other Parts Discussed in Thread: TDA2 Hello Why the R823 in TDA2 EVM is no-pop? Why the TPD2E001DRL need power supply? And why shouldn't R823 connect to EVM_3V3 for continue power for card detection function but EVM_3V3_SD? Thank you | |
Responses: | |
Hi, I'm not aware of the exact reason, my presumption is that INSERT pins being a card-present-contact away from human fingers would not need ESD protection. See more about SD card ESD here: Regards, Stan | |