Hardware requirements

  • Micro USB cable

  • evkmimxrt685 board

  • Personal Computer

  • One of the following modules:

    • AzureWave AW-AM510-uSD

    • AzureWave AW-AM457-uSD

    • AzureWave AW-CM358-uSD

    • Murata uSD-M.2 Adapter (LBEE0ZZ1WE-uSD-M2) and Embedded Artists 1XK M.2 Module (EAR00385)

    • Murata uSD-M.2 Adapter (LBEE0ZZ1WE-uSD-M2) and Embedded Artists 1ZM M.2 Module (EAR00364)

    • Murata uSD-M.2 Adapter (LBEE0ZZ1WE-uSD-M2) and Embedded Artists 2EL M.2 Module (EAR00409)

Board settings

Before building the example application select Wi-Fi module macro in the app_bluetooth_config.h. (see #define WIFI_BOARD). If you want use the AzureWave AW-AM510-uSD, please change the macro to WIFI_IW416_BOARD_AW_AM510_USD. If you want use the AzureWave AW-AM457-uSD, please change the macro to WIFI_IW416_BOARD_AW_AM457_USD. If you want use the AzureWave AW-CM358-uSD, please change the macro to WIFI_88W8987_BOARD_AW_CM358_USD. If you want to use Embedded Artists Type 1XK module with uSD-M2 adapter, please change the macro to WIFI_IW416_BOARD_MURATA_1XK_USD . If you want to use Embedded Artists Type 1ZM module with uSD-M2 adapter, please change the macro to WIFI_88W8987_BOARD_MURATA_1ZM_USD. If you want to use Embedded Artists Type 2EL module with uSD-M2 adapter, please change the macro to WIFI_IW612_BOARD_MURATA_2EL_USD.

Jumper settings for RT685: connect J6 with external power

Jumper settings for evkmimxrt685 Module:

  • JP12 2-3: 3.3V VDDIO

Murata Solution Board settings

Murata uSD-M.2 adapter resource page: https://www.murata.com/en-us/products/connectivitymodule/wi-fi-bluetooth/overview/lineup/usd-m2-adapter Murata uSD-M.2 adapter datasheet: https://www.murata.com/-/media/webrenewal/products/connectivitymodule/asset/pub/rfm/data/usd-m2_revb1.ashx Embedded Artists M.2 module resource page: https://www.embeddedartists.com/m2 Embedded Artists 1XK module datasheet: https://www.embeddedartists.com/doc/ds/1XK_M2_Datasheet.pdf Embedded Artists 1ZM module datasheet: https://www.embeddedartists.com/doc/ds/1ZM_M2_Datasheet.pdf Embedded Artists 2EL module datasheet: https://www.embeddedartists.com/doc/ds/2EL_M2_Datasheet.pdf

Jumper settings for Murata uSD-M.2 adapter:

  • Both J12 & J13 = 1-2: WLAN-SDIO = 1.8V; and BT-UART & WLAN/BT-CTRL = 3.3V

  • J1 = 2-3: 3.3V from uSD connector

The following pins between the evkmimxrt685 board and Murata uSD-M.2 Adapter with Embedded Artists 1ZM M.2 Module or 1XK M.2 Module are connected using male-to-female jumper cables:

PIN NAME | uSD-M.2 Adapter | I.MXRT685 | PIN NAME OF RT685 | GPIO NAME OF RT685

BT_UART_TXD_HOST | J9(pin 1) | J27(pin 1) | USART4_RXD | FC4_RXD_SDA_MOSI_DATA BT_UART_RXD_HOST | J9(pin 2) | J27(pin 2) | USART4_TXD | FC4_TXD_SCL_MISO_WS BT_UART_RTS_HOST | J8(pin 3) | J47(pin 9) | USART4_CTS | FC4_CTS_SDA_SSEL0 BT_UART_CTS_HOST | J8(pin 4) | J27(pin 5) | USART4_RTS | FC4_RTS_SCL_SSEL1

AzureWave Solution Board settings

Jumper settings for AzureWave AW-AM457-uSD Module:

  • J11 2-3: VIO_SD 3.3V (Voltage level of SDIO pins is 3.3V)

  • J2 1-2: 3.3V VIO_uSD (Power Supply from uSD connector)

  • J4 2-3: 3.3V VIO

The hardware should be reworked according to the Hardware Rework Guide for MIMXRT685-EVK and AW-AM457-uSD in document Hardware Rework Guide for EdgeFast BT PAL. The pin connect for UART HCI as the following table,

PIN NAME | AW-AM457-USD | I.MXRT685 | PIN NAME OF RT685 | GPIO NAME OF RT685

UART_TXD | J10(pin 4) | J27(pin 1) | USART4_RXD | FC4_RXD_SDA_MOSI_DATA UART_RXD | J10(pin 2) | J27(pin 2) | USART4_TXD | FC4_TXD_SCL_MISO_WS UART_RTS | J10(pin 6) | J47(pin 9) | USART4_CTS | FC4_CTS_SDA_SSEL0 UART_CTS | J10(pin 8) | J27(pin 5) | USART4_RTS | FC4_RTS_SCL_SSEL1 GND | J6(pin 7) | J29(pin 6) | GND | GND

Jumper settings for AzureWave AW-AM510-uSD Module:

  • J2 1-2: 3.3V VIO_uSD (Power Supply from uSD connector)

  • J4 2-3: 3.3V VIO Jumper settings for evkmimxrt685 Module:

  • JP12 2-3: 3.3V VDDIO

The hardware should be reworked according to the Hardware Rework Guide for MIMXRT685-EVK and AW-AM510-uSD in document Hardware Rework Guide for EdgeFast BT PAL. The pin connect for UART HCI as the following table,

PIN NAME | AW-AM510-USD | I.MXRT685 | PIN NAME OF RT685 | GPIO NAME OF RT685

UART_TXD | J10(pin 4) | J27(pin 1) | USART4_RXD | FC4_RXD_SDA_MOSI_DATA UART_RXD | J10(pin 2) | J27(pin 2) | USART4_TXD | FC4_TXD_SCL_MISO_WS UART_RTS | J10(pin 6) | J47(pin 9) | USART4_CTS | FC4_CTS_SDA_SSEL0 UART_CTS | J10(pin 8) | J27(pin 5) | USART4_RTS | FC4_RTS_SCL_SSEL1 GND | J6(pin 7) | J29(pin 6) | GND | GND

Jumper settings for AzureWave AW-CM358-uSD Module:

  • J2 1-2: 3.3V VIO_uSD (Power Supply from uSD connector)

  • J4 1-2: VIO 1.8V (Voltage level of SDIO pins is 1.8V)

The hardware should be reworked according to the Hardware Rework Guide for MIMXRT685-EVK and AW-CM358-uSD in document Hardware Rework Guide for EdgeFast BT PAL. The pin connect for UART HCI as the following table,

PIN NAME | AW-CM358-USD | I.MXRT685 | PIN NAME OF RT685 | GPIO NAME OF RT685

UART_TXD | J10(pin 4) | J27(pin 1) | USART4_RXD | FC4_RXD_SDA_MOSI_DATA UART_RXD | J10(pin 2) | J27(pin 2) | USART4_TXD | FC4_TXD_SCL_MISO_WS UART_RTS | J10(pin 6) | J47(pin 9) | USART4_CTS | FC4_CTS_SDA_SSEL0 UART_CTS | J10(pin 8) | J27(pin 5) | USART4_RTS | FC4_RTS_SCL_SSEL1 GND | J6(pin 7) | J29(pin 6) | GND | GND

Note: To ensure that the LITTLEFS flash region has been cleaned, all flash sectors need to be erased before downloading example code. After downloaded binary into qspiflash and boot from qspiflash directly, please reset the board by pressing SW3 or power off and on the board to run the application.