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General Description

The AV6301 / 6302 chipset is optimized for building

wireless gaming headsets and point to multi-point

audio distribution solutions such as rear speakers and

subwoofers in home theater systems.The chipset is

comprised of two ICs: AV6301 (sender) and AV6302

(client). These devices share the VMI RF Protocol

and may be mixed and matched with other VMI chips

(AV6200 / AV6201 / AV6202).

The AV63xx family expands the capabilities of

Avnera’s world-class VMI wireless audio protocol by

providing increased signal routing flexibility to

accommodate a wide range of gaming headset

applications. The AV6301 / 02 chipset achieves the

goal of enabling a single core design to service

multiple game platforms (PC or Console), External

Digital Signal Processing (DSP) is also easily

supported for all gaming platforms.

The chip set provides all functions necessary to

complete a bidirectional wireless audio link with high

quality voice and music performance. Operation in the

worldwide 2.4 GHz spectrum addresses the need for

global application.

System / Chipset Features

 Stereo audio path: >93 dB SNR, 20 kHz BW

 Mono voice path: >70 dB SNR, 6.5 kHz voice BW

with on chip MIC path (>93 dB SNR with external

16 ADC)

 Over-the-air (OTA) serial interface: >2 kbps, bi-

directional, full duplex

 Advanced forward error correction coding, error

detection, and audio-specific error concealment

 Diversity antenna support

 Low and Fixed Latency: <16 ms,

 Long Range: 15m (non-line-of-site)

 Auto search/sync/standby/wake-up/shutdown

 All Voltage Regulators on-chip

 Interoperability with AV6200 and AV6201

AV6302

The core functionality of the AV6302 is identical to

that of the AV6301 and it integrates all of the same

functions. To minimize external Bill of Materials

(BOM) for a complete headset client the AV6302

integrates additional analog functions. SPI and TWI

interfaces are retained as well as a full USB

transceiver. Enumeration as a high current device

during charging as well as simplified field update of

firmware on the Headset is enabled.

A complete battery charging system is added to the

significant power management functions already on

chip. The battery charger includes a temperature

monitor and is compliant with Lithium Ion and Lithium

polymer battery types.

An Integrated high quality audio CODEC directly

drives on-chip low impedance headphone amplifiers

and interfaces to electret and condenser microphone

transducers. On-chip audio DSP, for both the stereo

forward audio path and mono microphone path,

performs fully programmable functions including gain

control, equalization and compression, providing the

headset designer with the essential tools to create

custom voicing across Headset models or

applications.

18 General purpose I/O ports are available, including

support for LEDs and Encoders. In addition, a 3

channel general purpose ADC is provided that can

support up to 2 potentiometers.

A unique feature of the AV6302 Client chip is its

ability to accept I2S input in addition to Microphone

input for advanced routing of Chat and Microphone

signals. Advanced audio routing options include the

ability to utilize the microphone preamp, gain control

and DSP before outputting the signal to an I2S out.

This is a key feature when interfacing to XBOX

controller radios.

Preliminary Datasheet AV6302

Wireless Audio Receiver

Summary of content (19 pages)

PAGE 1
Preliminary Datasheet AV6302 Wireless Audio Receiver General Description AV6302 The AV6301 / 6302 chipset is optimized for building wireless gaming headsets and point to multi-point audio distribution solutions such as rear speakers and subwoofers in home theater systems.The chipset is comprised of two ICs: AV6301 (sender) and AV6302 (client). These devices share the VMI RF Protocol and may be mixed and matched with other VMI chips (AV6200 / AV6201 / AV6202).
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AV6302 Features Applications  On Chip Audio Codec includes Data-Converters, microphone amplifier and headphone amplifiers PC Game Wireless Headset  Audio DSP: EQ, gain control, mix-back, muting Game Console Wireless Headset  Complete Battery Charging System I2S based Wireless Audio  USB HID interface for USB compliant charging and firmware update Wireless Rear Speakers Wireless Subwoofer  Noise Gates on Mic and Chat paths  18 General Purpose I/O pins with support for: Packaging  M
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Revision History Revision Change Summary Release Date 0.1 0.2 Preliminary release of datasheet Audio Routing Diagram Update. Package Drawing Update. Pin Description minor updates. Add Selector Grid Update Selector Grid, Update to Front page general description and Features. 9/29/11 10/28/11 0.
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AV6302 Datasheet (Preliminary) revision 0.3 Table of Contents General Description .............................................................................................................................................................. 1 System / Chipset Features ................................................................................................................................................... 1 AV6302 ....................................................................................
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AV6302 Datasheet (Preliminary) revision 0.
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AV6302 Datasheet (Preliminary) revision 0.3 1 REFERENCE DIAGRAMS 1.
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AV6302 Datasheet (Preliminary) Pwr SW 3.6V LDO Batt Chgr PWR pin XTAL SUP VBG REF DIG Regs VDDIO VDDDIG VDD1P8 CFP CFN IREF BGOUT RESETN VDDXO XLATP XTALN PWR VBAT VDC Functional Diagram VIN 1.2 revision 0.3 DSCP,DSCN SPI, I2C GPIO (Buttons, LEDs) I2S 3.3V REG V3P6 MCU RFP RFN ROM RAM OTP ADC GPIO ADC GPIO DP DM HPR 3 18 USB Digital Block RF/IF Transceiver PHY EQ HPL VCM DAC_GND MICP MICN VDDMIC Audio CODEC SRC Figure 1-2 AV6302 Block Diagram 1.
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AV6302 Datasheet (Preliminary) 1.4 revision 0.3 Application Circuit - Universal Wireless Gaming Headset ENCoder 0 (option) D+ D- to USB connector Chat Vol + 22Ω 22Ω 1uF ENCoder 1 (option) GPIO9 pin 52 VDDIO Game Vol+ Chat Vol .1u Game Vol- 56 55 M_SCL 54 M_SDA 53 ENC 0 52 ENC 0 51 I2S Master Clk 50 49 48 47 46 45 44 43 EEPROM GPIO4 pin 1 GPIO8 pin 53 .1u Mute DSP Mode Link Status 12pF Game Volume 0.22uF VDDIO 1.
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AV6302 Datasheet (Preliminary) revision 0.
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AV6302 Datasheet (Preliminary) revision 0.3 2.2 PIN DESCRIPTION Table 2-1 AV6302 Pin Description Pin No.
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AV6302 Datasheet (Preliminary) Pin No. 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 Symbol I2S MONO OUT ENC1B PWM2 GPIO14 I2S MONO IN ENC1A PWM0 GPIO13 WCLK ENC0B PWM2 GPIO12 BCLK ENC0A PWM1 DM DP VDDDIG CFN CFP VDD18 VDDIO GPIO17 MCLK PWM1 PWM2 GPIO9 M_SSB (SPI Master) ENC0B MICIN GPIO8 M_SCLK (SPI Master) ENC0A MICCLK GPIO7 M_MOSI (SPI Master) M_SDA (TWI Master) SDA (TWI) GPIO6 M_MISO (SPI Master) M_SCL (TWI Master) SCL (TWI) GPIO5 S_MISO (SPI Slave) S_SCL (TWI Slave) ENC1B revision 0.
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AV6302 Datasheet (Preliminary) revision 0.3 3 ELECTRICAL SPECIFICATIONS 3.1 Absolute Maximum Ratings The Absolute Maximum Rating (AMR) corresponds to the maximum value that can be applied without leading to instantaneous or very short-term unrecoverable hard failure (destructive breakdown). Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously operating at or beyond these limits.
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AV6302 Datasheet (Preliminary) revision 0.3 3.2 DC Electrical Characteristics Operating Conditions: VDC = 4.4V to 5.5V or VIN = 3.2V to 4.3V, VDDIO = 3.3V, T A = 0ºC to +70 ºC; Typical specifications at TA = 25ºC, VDC = 5.0V or VIN=3.6V. Table 3-2 AV6302 DC Electrical Characteristics PARAMETER MIN TYP MAX UNIT VDC Supply Voltage Input CONDITIONS 4.4 5.0 5.5 V VIN Supply Voltage Range 3.2 3.6 4.3 V 4.3 V VBAT Voltage Input Range 0 V3P6 Internally regulated voltage 3.
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AV6302 Datasheet (Preliminary) 3.4 revision 0.3 Electrical Characteristics – RF Receiver Operating Conditions: VDC = 4.4V to 5.5V, VDDIO = 3.3V, TA = 0ºC to +70 ºC; RF Channel Freq = 2403.35-2477.35MHz, measured at the single-ended input of the RF balun (with external impedance matching). Typical specifications at T A = 25ºC, VDC = 5.0V or VIN=3.6V.
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AV6302 Datasheet (Preliminary) revision 0.3 3.6 Electrical Characteristics – End-to-end Audio Characteristics Operating Conditions: VDC = 4.4V to 5.5V or VIN = 3.2V to 4.3V, VDDIO = 3.3V, TA = 0ºC to +70 ºC; Typical specifications at TA = 25ºC, VDC = 5.0V or VIN=3.6V.
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AV6302 Datasheet (Preliminary) revision 0.3 3.8 Electrical Characteristics – MIC pre-amp and Voice ADC Operating Conditions: VDC = 4.4V to 5.5V or VIN = 3.2V to 4.3V, VDDIO = 3.3V, TA = 0ºC to +70 ºC; Typical specifications at TA = 25ºC, VDC = 5.0V or VIN=3.6V.
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AV6302 Datasheet (Preliminary) revision 0.3 4 PACKAGE INFORMATION 4.
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AV6302 Datasheet (Preliminary) 4.2 revision 0.3 Package Marking A V D D D D C C Y Y W W X X L L L L L L T T A Figure 4-2 Package Marking Layout Abbreviations: AVDDDD Product number (i.e. AV6302) CC Country Code (i.e.
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AV6302 Datasheet (Preliminary) revision 0.3 5 CONTACT INFO & LEGAL DISCLAIMER Avnera Corporation 16505 Bethany Court, Suite 100 Beaverton, Oregon 97006 U.S.A. Main: +1.503.718.4100 Fax: +1.503.718.4101 www.avnera.com Avnera Corporation reserves the right to make changes without notice to the product to improve function, reliability, or performance. Avnera Corporation does not assume any liability arising from the application or use of the products or circuits described herein.