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Contents
DWM/DWS interfaceEdit
DWM and DWS are DAVE WiFi addons that provide WiFi 802.11 bgn and Bluetooth connectivity.
DescriptionEdit
The DWM interface available on the Evaluation Kit at the connector J2.
J2 is a 30-pins 0.50mm Pitch SlimStack™ Receptacle. This connector is dedicated to the DWM/DWS optional add-on module.
SignalsEdit
The following table describes the interface signals:
| Pin# | SOM 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 | J15.18 | TIWI_MMC2_CMD | ||
| 8 | J15.16 | TIWI_MMC2_CLK | ||
| 11 | J15.20 | TIWI_MMC2_DAT0 | ||
| 13 | J15.22 | TIWI_MMC2_DAT1 | ||
| 15 | J15.24 | TIWI_MMC2_DAT2 | ||
| 17 | J15.26 | TIWI_MMC2_DAT3 | ||
| 21 | J15.114 | UART2_RX | Used only for BT peripheral | |
| 23 | J15.110 | UART2_CTS | Used only for BT peripheral | |
| 24 | J15.36 | TIWI_BT_F5 | Used only for BT peripheral | |
| 25 | J15.114 | UART2_TX | Used only for BT peripheral | |
| 26 | J15.38 | TIWI_BT_F2 | Used only for BT peripheral | |
| 27 | J15.116 | UART2_RTS | Used only for BT peripheral | |
| 28 | J15.56 | TIWI_IRQ | ||
| 29 | J15.34 | TIWI_BT_EN | Used only for BT peripheral | |
| 30 | J15.32 | TIWI_EN | ||
| 12, 14, 16, 18, 20, 22 | - | N.C. | Not connected |
WiFiEdit
Device mappingEdit
The WiFi peripheral is mapped to the corresponding wlan<X> device in Linux. The network peripheral is visible under the ifconfig network configuration utility.
Device usageEdit
The peripheral is used the standard kernel interface and network protocol stack.
BluetoothEdit
Device mappingEdit
The BT peripheral is mapped to the /dev/ttymxc2 serial port in Linux. It can be mounted as an hci device with the hci tools commands.
Device usageEdit
The peripheral is used by the standard kernel interface and BlueZ protocol stack.