Azurewave AW-AH397 Dual Band WiFi+BT USB/SDIO SiP Module User Manual

1. Introduction

This manual provides essential information for the proper installation, operation, and maintenance of the Azurewave AW-AH397 Dual Band WiFi+BT USB/SDIO SiP Module. Please read this manual thoroughly before using the device to ensure optimal performance and safety.

The AW-AH397 is a System-in-Package (SiP) module designed for wireless communication, integrating Dual Band WiFi and Bluetooth 4.0+HS (LE) capabilities. It utilizes the Marvell 8797 chipset and supports 2T x 2R MIMO for enhanced WiFi performance.

2. caractéristiques du produit

The AW-AH397 module offers a range of features designed for embedded wireless applications:

• Taille compacte : Small footprint of 15.1mm(L) x 10.2mm(W) x 1.2 mm(H) for space-constrained designs.
• Interfaces multiples: Supports SDIO3.0, G-SPI, and USB interfaces for WLAN, and high-speed UART, PCM/Inter-IC Sound (I2S), SDIO3.0, and USB for Bluetooth.
• Bluetooth 4.0+HS (LE): Compliant with Bluetooth 2.1 + Enhanced Data Rate (EDR) for broad compatibility.
• Audio Codec Interface: Provides support for audio codec integration.
• Cellular Phone Co-existence: Designed to operate effectively alongside cellular phone modules.
• Modes d'économie d'énergie : Multiple modes for reduced power consumption.
• Sécurité avancée : Supports IEEE 802.11i for robust wireless security.
• Qualité de service (QoS) : Ensures reliable performance for multimedia applications.
• Linux Driver Support: Drip-in WLAN Linux drivers are Android ready and validated on Android-based systems, supporting Linux kernel versions up to 2.6.32.
• BlueZ Bluetooth Stack: Supports BlueZ v4.47 Bluetooth profiles stack used in Android Éclair.
• Simultaneous AP-STA: Capability for concurrent Access Point and Station modes.
• Sans plomb: Environmentally compliant design.

Figure 1: Azurewave AW-AH397 Dual Band WiFi+BT USB/SDIO SiP Module. This image shows the compact form factor of the module, highlighting its small size and integrated components.

3. Configuration et intégration

The AW-AH397 is a SiP module intended for integration into host devices. Proper integration requires knowledge of embedded system design and wireless communication protocols.

3.1. Hardware Integration

1. Alimentation: Ensure the host system provides a stable power supply within the module's specified voltagPlage de puissance. Consultez la fiche technique du module pour connaître les exigences de puissance exactes.
2. Connexions d'interface : Connect the module to the host processor via the appropriate interface (SDIO, USB, G-SPI, UART, I2S) as per your design. Ensure all data and control lines are correctly routed and terminated.
3. Conception de l'antenne : Integrate suitable antennas for both WiFi and Bluetooth. Antenna placement and matching are critical for optimal wireless performance. Consult the module's design guide for antenna recommendations.
4. Gestion thermique : While the module is low power, consider thermal dissipation in compact enclosures to maintain operating temperature within specifications.

3.2. Intégration logicielle

1. Installation du pilote : Install the appropriate Linux drivers for WLAN and Bluetooth on the host operating system. The module supports drip-in WLAN Linux drivers that are Android ready.
2. Kernel Compatibility: Ensure the host Linux kernel version is compatible (up to 2.6.32 for WLAN drivers).
3. Pile Bluetooth: For Bluetooth functionality, integrate the BlueZ v4.47 Bluetooth profiles stack or a compatible alternative.
4. Configuration: Configure network settings (SSID, password, security protocols) for WiFi and pairing settings for Bluetooth as required by your application.

4. Mode d'emploi

Once integrated and drivers are installed, the AW-AH397 module operates under the control of the host system's operating system and applications.

4.1. Fonctionnement du Wi-Fi

• Connexion à un réseau : Use the host system's network manager or command-line tools to scan for available WiFi networks, select the desired SSID, and enter the password.
• Mode AP: If configured for Access Point (AP) mode, the module will broadcast its own SSID, allowing other devices to connect to it.
• Simultaneous AP-STA: The module supports operating as both an Access Point and a Station concurrently, enabling flexible network configurations.

4.2. Fonctionnement Bluetooth

• Appairage d'appareils : Enable Bluetooth on the host system. Scan for discoverable Bluetooth devices, select the device to pair with, and follow the on-screen prompts for pairing (e.g., entering a PIN).
• Connexion aux appareils : After successful pairing, connect to the desired Bluetooth device (e.g., headphones, keyboard, smartphone) to establish a communication link.
• Bluetooth à faible consommation d'énergie (LE) : The module supports Bluetooth LE for low-power applications, allowing connection to compatible LE devices.

5. Entretien

The AW-AH397 module is a sealed component and does not require user-level maintenance. Maintenance primarily involves ensuring the host system's environment is suitable for the module's operation.

• Mises à jour logicielles : Regularly update the host system's operating system and drivers to ensure optimal performance, security, and compatibility with the module.
• Conditions environnementales : Ensure the module operates within its specified temperature and humidity ranges. Avoid exposure to excessive dust, moisture, or extreme temperatures.
• Inspection physique: Periodically inspect the host device for any signs of physical damage or loose connections that might affect the module's operation.

6. Dépannage

If you encounter issues with the AW-AH397 module, consider the following troubleshooting steps:

• Module non détecté :
  • Verify that the module is correctly integrated into the host system and all connections (SDIO, USB, etc.) are secure.
  • Check the host system's power supply to ensure it meets the module's requirements.
  • Confirm that the necessary drivers are installed and loaded correctly on the host operating system.
• Problèmes de connexion WiFi :
  • Ensure the WiFi network SSID and password are correct.
  • Check the signal strength. Move closer to the access point if the signal is weak.
  • Verify that the WiFi drivers are up to date.
  • Restart the host system and the WiFi access point.
• Bluetooth Pairing/Connection Issues:
  • Ensure Bluetooth is enabled on both the host system and the target device.
  • Make sure both devices are in pairing mode and within range.
  • Remove previous pairings and attempt to pair again.
  • Verify that the Bluetooth stack (e.g., BlueZ) and drivers are correctly installed and running.
• Poor Performance (WiFi/Bluetooth):
  • Check for sources of interference (e.g., other wireless devices, microwaves, large metal objects).
  • Ensure proper antenna placement and orientation.
  • Update drivers and firmware if available.
  • Verify that the host system's resources (CPU, memory) are not overutilized.

If issues persist, consult the technical documentation provided by Azurewave or contact their support for further assistance.

7. Spécifications

Key technical specifications for the Azurewave AW-AH397 module:

8. Garantie et assistance

Information regarding warranty coverage for the AW-AH397 module is typically provided by the vendor or the manufacturer, Azurewave, at the point of purchase or within the product packaging. As an embedded component, the warranty may be subject to the terms of the end product into which it is integrated.

For technical support, documentation, or inquiries regarding the AW-AH397 module, please refer to the official Azurewave website or contact their authorized distributors. Support resources may include datasheets, application notes, and driver downloads.

Note: The AW-AH397 is nearing End-Of-Life (EOL). Please check with Azurewave or your supplier for current availability and recommended alternatives.