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RIALTO SBC/Interfaces and Connectors/DWS

3,033 bytes added, 12 January
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==Wifi/Bluetooth interface ==

[[DWM_ADD-ON | DWM]] and [[DWS_ADD-ON | DWS]] are DAVE WiFi addons that provide WiFi 802.11 bgn and Bluetooth connectivity.

=== Description ===

The Wifi/Bluetooth interfaces are available on RIALTO SBC at the connector J46.

J46 is a 30-pins 0.50mm Pitch SlimStackā„¢ Receptacle. This connector is dedicated to the DWM/DWS ''optional'' add-on module.


[[File:RIALTO_SBC-DWS-connector.png|thumb|center|500px| DWS connector]]

===Signals ===

The following table describes the interface signals:
{| class="wikitable"
!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 ===

==== Device mapping ====
The WiFi peripheral is mapped to the corresponding <code>wlan<0></code> device in Linux. The network peripheral is visible under the <code>ifconfig</code> network configuration utility.

==== Device usage ====
The peripheral uses the standard kernel interface and network protocol stack.

=== Bluetooth ===

==== Device mapping ====
The BT peripheral is mapped to the <code>/dev/ttymxc1</code> serial port in Linux. It can be mounted as an <code>hci</code> device with the <code>hci tools</code> commands.

==== Device usage ====
The peripheral is used by the standard kernel interface and BlueZ protocol stack.

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[[Category:RIALTO SBC]]
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