I am planning to use a Murata M.2 Wi-Fi/BT module with my i.MX 6UL EVK. However, this EVK does not have the M.2 interface? How do I connect the Murata module to the EVK?
Murata has a uSD-M.2 adapter for NXP’s i.MX6 platforms. With this adapter, you can evaluate Embedded Artists’ M.2 1DX, 1MW and 1LV EVB as Fig 1 shows. Fig 2 shows how it works together with i.MX6 UL EVK. For more information, please visit the landing page of Murata wireless solutions.
Fig 1. uSD-M.2 Adapter with type 1DX/1MW/1LV M.2 EVB options
Fig 2. i.MX 6UltraLite EVK with uSD-M.2 Adapter and Type 1LV M.2 EVB
>>I am planning to use a Murata M.2 Wi-Fi/BT module with my i.MX 6UL EVK. However, this EVK does not have the M.2 interface? i.MX6UL has no PCIe or SATA interface, so M.2 connector is not supported on i.MX6UL EVK board.>>How do I connect the Murata module to the EVK?M.2 connector is designed for SATA signals or PCIe signals, i.MX6UL has no these 2 kinds of signals. So if you want to use M.2, you will have to define signals on the connector by yourself, and design a WIFI card with M.2 interface.
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Yes, i.MX6UL EVK doesn't have PCIe or SATA. But it has SDIO interface.
Embedded Artists' Wi-Fi/BT M.2 modules use key id; E, which defines pinning for PCIe(2x), SDIO, UART, PCM, USB2.0, and I2C interfaces. For more information, please refer to Embedded Artists' documentation for M.2 here.
The chipset of the EVBs mentioned in Fig1, 1DX/1MW/1LV are all SDIO interfaced, so they can talk to i.MX 6UL via the M.2 adapter. Murata has provided software support for this adapter and validated it on NXP's i.MX6 UL/ULL EVK, i.MX6SL EVK, i.MX 6SX SDB, and i.MX 6Quad SDB. For more detail, please refer to Murata's quick start guide. https://wireless.murata.com/datasheet?/RFM/data/murata_quick_start_guide_linux.pdf
Yes, right. SDIO signals can be defined on M.2 connector. So WIFI module with M.2 can also be connected to the connector.
Next, you need to confirm with Murata whether there is a SDIO-based M.2 module, if there is such a module, there will be no problem.
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