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OMAP35x and AM/DM37x Wireless Connectivity Product description

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The following describes the content of the wireless connectivity package for OMAP35x & AM/DM37x platforms, its various features and its solution capabilities.

General Description[edit]

The comprehensive wireless connectivity package enables you to add wireless connectivity support to the OMAP35x & AM/DM37x EVM features. As part of the EVM kit, it immediately enables you to add wireless connectivity capabilities to the Applications Processor. This solution includes an integrated system solution for both WLAN and Bluetooth® (BT) based on TI's wireless devices.

The package encapsulates both the HW component in the form of an add-on board for the OMAP35x or AM/DM37x EVM, as well as a complete SW package which includes the WLAN driver and Bluetooth initialization scripts. Both were fully integrated and tested with this specific platform, thus minimizing integration time.

Solution Block Diagram[edit]

The wireless connectivity solution is based on a WiLink™ 6 chipset solution populated on a module. WiLink™ 6 is TI's 6th generation of wireless connectivity devices, encompassing a combo Bluetooth-WLAN device in 65nm technology. This device is accompanied by a DC2DC converter and a Front-End module (designated FEM).

WiLink6.SolutionDiagram.png

Wireless Connectivity Module by LSR[edit]

The LSR module provides the complete wireless connectivity chipset described above including clocks and powering scheme. It may be procured directly from LSR and placed on any OMAP35x, AM/DM37x-based user application board. For further information regarding the module specification, go to Hardware Specification page.

DC2DC Converter[edit]

The DC2DC converter, is a high-efficiency low-noise, switched mode power supply converter (SMPS). It converts VBAT levels in the 2.7 - 5.5 V range to 1.8V, which is required by the device.

Front-End Module[edit]

The Front-End Module (FEM) device carries a powerful PA which is used to provide WLAN output power gain. Additionally, a 3-way switch is located in the FEM device to enable antenna sharing among WLAN and Bluetooth, thus providing a single antenna solution supporting both WLAN and Bluetooth.



Product Features and Capabilities[edit]

General[edit]

Supported OS
Linux ver. 2.6.x
WinCE 6.0 R3
Supplies
VBAT - 3.0 - 5.5V battery supply
VIO - 1.8V I/O supply


Clocks
Reference clock - 38.4 MHz
Sleep clock - 32.768 KHz
Host I/Fs
SDIO, 4-bit, 25 MHz for WLAN
UART, with flow control for Bluetooth


WLAN[edit]

  • WLAN station
  • 802.11 b,g,n,d,e,i compliant
  • 802.11n single antenna
  • 20MHz, 1 spatial stream support
  • RX STBC support


  • Security
  • Personal security protocols and services covering: WEP, WPA & WPA2
  • Open-source supplicant


  • QOS
  • EDCA capability including packet bursting and TXOP
  • U-APSD capability


  • Scan
  • Active scan
  • Passive scan


  • Roaming
  • Low RSSI roaming trigger
  • BSS loss roaming trigger


  • WPS (Linux only)
  • WPS enrollee, PIN mode
  • WPS enrollee, PBC mode


Bluetooth[edit]

  • Bluetooth 2.1 + EDR compliant
  • Linux: Integrated to BlueZ protocol stack
  • Validated Linux Profiles: A2DP, OPP, FTP
  • WinCE: Integrated with Microsoft's protocol stack and Adeneo's Bluetooth Manager
  • Validated WinCE Profiles: A2DP, OPP, FTP


Misc[edit]

  • Bluetooth-WLAN coexistence:
  • Best-in-class single antenna coexistence scheme enabling a full proof shared antenna solution
  • All data & voice use cases combinations are supported
  • Proprietary low power schemes:
Provides extremely low power consumption in critical profiles (such as: WLAN idle connection and Bluetooth scan)



See Also[edit]


Links[edit]


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