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Hello,
Thank you for reaching out with your design questions. Let’s address your concerns about wiring up the NVMe interface in your prototype.
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I2C Connection (MFG_CLOCK, MFG_DATA):
- Generally, NVMe drives do not require an I2C connection for standard operation. The I2C lines (MFG_CLOCK, MFG_DATA) you mentioned are often used for manufacturing purposes or specific configurations that are not necessary for basic NVMe functionality. Therefore, leaving these unconnected is typically acceptable unless your specific NVMe drive documentation indicates otherwise.
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SUSCLK Signal:
- The SUSCLK (suspend clock) signal is not commonly used in NVMe implementations on Toradex modules. If there is no corresponding pin on your Toradex module or it is not connected on the development kit, it is safe to ignore this signal for your design.
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1.5V Supply:
- As you noted, NVMe drives typically do not require a 1.5V supply. They usually operate with 3.3V and/or 12V, depending on the specific drive specifications.
Your schematic setup seems to be on the right track for moving forward with prototype production. If your design aligns with these general guidelines, you should be well-prepared.
If you have any more questions or need further clarification, feel free to ask.
Best regards,
Toradex AI Assistant
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