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stm32l431rct6: SD detect pin question

Jacob3104
Associate II

Sorry, are there has a pin call or used for SD_detect in Stm32l431rct6? I can not find in STM32L431xx Datasheet - production data. These has no mention.I do not know which pin(SD-Detect)should i choose for GPIO_Input of the FATS.

1 ACCEPTED SOLUTION

Accepted Solutions
SofLit
ST Employee

Hello,

You can use any GPIO pin for that. It’s not a part of the SDIO peripheral.

You can refer to any SD BSP driver like this one from L476 Eval board: 

https://github.com/STMicroelectronics/stm32l476g-eval-bsp/blob/31280bc4a9d038f9981b8fe4c2824582efc163fe/stm32l476g_eval_sd.h

You can watch this video on Youtube / especially @5:58

Hope it helps.

To give better visibility on the answered topics, please click on "Accept as Solution" on the reply which solved your issue or answered your question.

View solution in original post

1 REPLY 1
SofLit
ST Employee

Hello,

You can use any GPIO pin for that. It’s not a part of the SDIO peripheral.

You can refer to any SD BSP driver like this one from L476 Eval board: 

https://github.com/STMicroelectronics/stm32l476g-eval-bsp/blob/31280bc4a9d038f9981b8fe4c2824582efc163fe/stm32l476g_eval_sd.h

You can watch this video on Youtube / especially @5:58

Hope it helps.

To give better visibility on the answered topics, please click on "Accept as Solution" on the reply which solved your issue or answered your question.