s32k312 I2C Clock Source

Hoon — Thu, 19 Jun 2025 02:09:24 GMT

I used S32K312 and there is a problem to select I2C Clock Source

Even though i set the clock source to 30Mhz and active, i2c clcok source candidates are not identified when i set i2c peripheral.

candidate group of SPI could selected without any problems, can you help me?

MCU : S32K312NHT0MPASR

IDE : Design Studio 3.6.2

RTD : S32K3_S32M27x Real-Time Drivers ASR R21-11 Version 6.0.0 (Latest by current standards)

Re: s32k312 I2C Clock Source

Robin_Shen — Thu, 19 Jun 2025 23:29:47 GMT

It looks similar to the previous question, please refer to the screenshot in that question: s32k312 I2C Clock Source

Please add Clock_Ip_ReferencePoints in Peripherals tool and configure AIPS_SLOW_CLK as the MODULE_CLK source of LPI2C.

Best Regards,
Robin
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