Wistron NeWeb SWA51 Wireless Audio Module User Manual

Wistron NeWeb Corporation Wireless Audio Module

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User Manual

CONFIDENTIAL | PROVIDED UNDER NDA    General Description The SWA51 module is a member of a family of products representing a new level of system integration offering customers fast time to market with a point-to-point mono, or stereo, wireless connection. These modules are optimized for low-cost, high-quality and ease-of-use.  The module incorporates Avnera’s proprietary 5GHz wireless audio protocol, designed from the ground up specifically for audio. It features low fixed latency, uncompressed CD quality mono or stereo audio, superior interference immunity, and inherent coexistence with WiFi. The SWA51 module integrates all features necessary to complete a wireless stereo or mono link, including AV5100 Wireless Audio Chip, printed diversity antennas, PA, shield can, flash memory, interface connector and all passive components. Just provide power and an I2S interface and you are ready to create a wireless audio link. The module measures 26 x 47 x 3.3 mm and is provided with a 24 pin FPC connector.  The module is certified to FCC and CE standards. Applications  Wireless Subwoofers   Stereo Wireless Rear Speakers   Soundbar / Audio Video Receiver / BluRay   Mono/Stereo Audio Channel Transmission   Ordering Options SWA51 TX: Transmit module with digital audio input SWA51 RX: Receive module with digital audio output  Features  Audio Interfaces   I2S Digital Input / Output interface with >93dB end-to-end digital audio path  Wireless Range (Typ)  > 50m Non Line Of Sight (NLOS) range   > 160m Line Of Sight (LOS) range  Frequency range: 5.15-5.25&5.725-5.825 GHz, continuous dynamic channel selection   Forward error correction coding, error detection, and audio-specific error concealment   Dual printed PCB diversity antennas for multipath and fading mitigation   Auto-search/synch and dynamic channel selection   Low, fixed latency    24 pin FPC or pin header connector   Sample rate converter: Support for 32 - 96kHz input sample rates   Customizable firmware for simple, low-cost, sub-woofer amplifier implementations   RF parts can-shielded, module meets FCC part 15 rules for emissions and susceptibility.   General purpose over-the-air (OTA) serial interface:    11 kbps, bi-directional, full duplex   Support for amplifier control data, meta-data, and remote control commands           SWA51, 5GHz Module Datasheet Extended Range Mono/Stereo Wireless Audio System, based on the Avnera AV5100 IC  Different labels and P/Ns are used to distinguish between TX and RX.
SWA51 Module Datasheet  Rev 1.1 CONTENTS SUBJECT TO CHANGE WITHOUT NOTICE  2 CONFIDENTIAL 1  Functional Description  The SWA51 module is available in 2 variations; digital input transmitter module or digital output receiver module.   There are three available I2S digital audio data inputs/outputs, each of these can be configured to operate as either a master or a slave - depending on the application, the I2S ports can operate simultaneously as either inputs or outputs. When configured as slaves, the I2S inputs/outputs can be independently clocked by up to two external masters. In addition, MCLK can be output from the module to provide a reference clock source to an external ADC or DAC.  MCLK can also be input to the module to provide a reference clock from an external source.  The hardware for the audio input (transmit) and audio output (receive) versions of the module is identical and only the firmware loaded onto the module determines its function.   The highly integrated nature of the AV5100 transceiver IC results in few external components being required for the SWA51 module design. 2 printed PCB antennas are used to achieve increased range, and to achieve antenna spatial diversity. The extended-range RF path consists of the antennas, associated tuning components, shield can, the RF switch, and two baluns, one connected to each of the RF input/output ports on the AV5100 IC.   A 16MHz crystal oscillator generates the AV5100 fundamental system clock used as the basis for all RF and digital audio clocks.   A 2Mb flash memory chip is used to store the module’s application firmware. The AV5100 is able to boot from internal ROM upon first power up, which enables programming the flash chip with the application firmware . In addition, Over-the-air Firmware upgrade capability can be enabled through the application firmware. The module can be controlled from an external host device via the I2C Slave or the SPI Slave data interfaces. The I2C master port allows the module to control other system audio devices such as a sub-woofer amplifier system without having to add another MCU to the product design. Up to 9 additional GPIOs are available on the SWA51 module (not including I2C and I2S signals) for implementing different UI features on the target application. The resources mentioned above can be leveraged to implement low cost sub-woofer designs as outlined below.
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Document ID4038610
Application IDlwly2wov6j2YNNv5g6O9aw==
Document DescriptionUser Manual
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize16.62kB (207721 bits)
Date Submitted2018-10-17 00:00:00
Date Available2018-10-19 00:00:00
Creation Date2018-10-16 17:15:17
Producing SoftwareAcrobat Distiller 15.0 (Windows)
Document Lastmod2018-10-16 17:54:31
Document TitleMicrosoft Word - SWA51 Module Datasheet FOR Regulation_0918 手冊 ok
Document CreatorPScript5.dll Version 5.2.2
Document Author: EmilyChen
FCC ID Filing: NKR-SWA51

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