Hi @Wobaffet,
I hope you are doing well.
Please see the response to your queries below:
- In my application HDMI and PCI modules are not used. According to hardware design guide the supply pins for these modules can be left floating? Is the connection below is correct? Please note that I have 4 GPIO/i2c in HDMI pins.
[NXP]: Yes. The connections are correct. The 4 signals (GPIO/I2C) used are referenced to the power rail NVCC_ECSPI_HDMI. So to use these 4 signals, NVCC_ECSPI_HDMI should be powered as per requirement.
2. In my application, I use MIPI_DSI throught MIPI_CSI1 (2 lanes). For unused pins is the connection below correct?
[NXP]: Yes. The connections are correct.
3. In my application, USB1 is used as USB3.0, USB2 is used as USB2.0 is the connection diagram below correct? Should the VBUS pins can be left floating because they're used as host only.
[NXP]: If the USB 3.0 port is used as a USB 2.0 port, it is recommended that TX pins shall be left floating and RX pins shall be connected to GND. As long as the USB connector (where the USB device will be connected) has 5V connected externally, the USB_VBUS pin can be kept floating. One can take the reference from i.MX8M Plus Base Board schematic.
Thanks & Regards,
Ritesh M Patel
