nrf connect 2.91sdk,nrf54l15配置P1.2 P1.3为IIC时,无信号输出。(When nrf connect 2.91sdk and nrf54l15 are configured with P1.2 and P1.3 as IIC, there is no signal output.)

nrf connect 2.91sdk ble mesh ,nrf54l15配置P1.2 P1.3为IIC的数据脚和时钟脚,无信号输出。IIC20 21 22都试了,但都不行,换为其他P1端口任意引脚就可以正常工作,为什么就配置P1.2 P1.3为IIC时不起效?(自己画的nrf54l15板)

Nrf connect 2.91sdk ble mesh , nrf54l15 configuration P1.2 P1.3 for IIC data and clock pins, no signal output. I have tried IIC20 21 and 22, but none of them worked. If I switch to any pin of the other P1 port, it can work normally. Why doesn't it work when configuring P1.2 and P1.3 as IIC? (Self drawn nrf54l15 board)

好奇怪。

Parents Reply
  • Hi

    On the nRF54L15 DK P1.03 is by default used for NFCT, but should be configurable with the snippet I mentioned in .dts or .overlay file. However, on the DK you also need to disconnect R21 and R22 d short R33 and R34 with a 0 Ohm resistor.

    As for P2.06, that should work as a normal GPIO as long as you don't use the TRACE pins, since this is dedicated to be the TRACE CLK pin, but by default should be connected to the P2 pin and work as a normal GPIO. How does it behave on your end?

    Best regards,

    Simon

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