RIALTO SBC/Interfaces and Connectors/DWS
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| 2024/01/12 | First documentation release | ||
Contents
Wifi/Bluetooth interface[edit | edit source]
DWM and DWS are DAVE WiFi addons that provide WiFi 802.11 bgn and Bluetooth connectivity.
Description[edit | edit source]
The Wifi/Bluetooth interfaces are available on RIALTO SBC at the connector J46.
J46 is a 30-pins 0.50mm Pitch SlimStack™ Receptacle. This connector is dedicated to the DWM/DWS optional add-on module.
Signals[edit | edit source]
The following table describes the interface signals:
| Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|
| 1, 2 | 5V | Power supply | |
| 3, 4 | 3.3V | Power supply | |
| 5, 6, 9, 10, 19 | DGND | Ground | |
| 7 | TIWI_MMC2_CMD | ||
| 8 | TIWI_MMC2_CLK | ||
| 11 | TIWI_MMC2_DAT0 | ||
| 13 | TIWI_MMC2_DAT1 | ||
| 15 | TIWI_MMC2_DAT2 | ||
| 17 | TIWI_MMC2_DAT3 | ||
| 21 | UART2_RX | Used only for BT peripheral | |
| 23 | UART2_CTS | Used only for BT peripheral | |
| 24 | TIWI_BT_F5 | Used only for BT peripheral | |
| 25 | UART2_TX | Used only for BT peripheral | |
| 26 | TIWI_BT_F2 | Used only for BT peripheral | |
| 27 | UART2_RTS | Used only for BT peripheral | |
| 28 | TIWI_IRQ | ||
| 29 | TIWI_BT_EN | Used only for BT peripheral | |
| 30 | TIWI_EN | ||
| 12, 14, 16, 18, 20, 22 | N.C. | Not connected |
WiFi[edit | edit source]
Device mapping[edit | edit source]
The WiFi peripheral is mapped to the corresponding wlan<0> device in Linux. The network peripheral is visible under the ifconfig network configuration utility.
Device usage[edit | edit source]
The peripheral uses the standard kernel interface and network protocol stack.
Bluetooth[edit | edit source]
Device mapping[edit | edit source]
The BT peripheral is mapped to the /dev/ttymxc1 serial port in Linux. It can be mounted as an hci device with the hci tools commands.
Device usage[edit | edit source]
The peripheral is used by the standard kernel interface and BlueZ protocol stack.
