Preliminary Datasheet AV6301
Wireless Audio Sender IC
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 (AAV6200, V6201, and AV6202).
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
9 Stereo audio path: >93 dB SNR, 20 kHz
BW
9 Mono voice path: >70 dB SNR, 6.5 kHz
voice
9 Sophisticated audio routing and mixing
options to meet demands of multiple gaming
headset platforms
9 Over-the-air (OTA) serial interface: >2
kbps, bi-directional, full duplex
9 Works within 3 inches of WIFI Client
without impairment to Audio or WIFI throughput
9 Advanced forward error correction coding,
error detection, and audio-specific error
concealment
9 Diversity antenna support
9 Low and Fixed Latency: <16 ms,
9 Long Range: 15m (non-line-of-site)
9 Auto search/sync/standby/wake-
up/shutdown
9 All Voltage Regulators on-chip
9 Interoperability with VMI (AV6201 / 02)
Chipset
AV6301
The AV6301 is a highly integrated, single-chip,
wireless audio sender IC. It integrates the following: a
complete 2.4 GHz RF transceiver, PHY & MAC,
advanced power management hardware, audio DSP,
USB 2.0 transceiver and a full complement of
programmable digital interfaces to support a wide
range of end-product user-interface requirements,
including SPI and TWI interfaces.
The device incorporates a complete USB 2.0
transceiver and enumerates as a USB Audio device
as well as USB Human Interface Device (HID) without
the need for external drivers, enabling true plug &
play. Additionally, the device makes available 3
independent I2S interfaces, allowing independent
processing of non-USB audio sources. Simultaneous
use of the USB and I2S ports is enhanced by
additional audio processing capability, allowing for
independent control and mixing of the different audio
sources.
AV6301 Features
9 Advanced Signal Routing Capability
9 USB Port Enumerates as Audio and / or
Human interface device (HID)
9 Three available I2S ports
9 Simultaneous operation of USB and I2S
ports
9 Expansive Digital I/O Capability
9 20 General Purpose Input / Output Pins
9 Master and Slave SPI and TWI interfaces
9 Pulse Width Modulated (PWM) I/O support
9 Straightforward implementation of external
EEPROM, DSP, Audio Codec and Host uC for
advanced applications
9 On-Chip One-Time-Programmable (OTP)
Memory
Applications
PC Game Wireless Headset
Game Console Wireless Headset
I2S based Wireless Audio
Wireless Rear Speakers
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Packaging
The AV6301 is packaged in a 7 x 7 mm, 48 pin
QFN and is rated for operation over the commercial
temperature range (0 to 70 degrees C)
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AV6301 Datasheet (Preliminary) revision 0.2
Revision History
Revision Change Summary Release Date
0.1 Preliminary release of datasheet 10/7/11
0.2
0.3 Update Selector Grid 11/4/11
0.4
Add AV6xxx Selection Grid, Update Audio Routing, Block Diagram, Application
Circuit, Pin Out and Pin Description. RF TX Electrical characteristics update.
CORRECTION to I2S assignments to GPIO ports (stereo in, stereo out and mono
out have all changed).I2S assignments reflected in Applications Diagram. Update
of selection grid.
10/27/11
11/15/11
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AV6301 Datasheet (Preliminary) revision 0.2
Table of Contents
General Description .............................................................................................................................................................. 1
System / Chipset Features ................................................................................................................................................... 1
AV6301................................................................................................................................................................................. 1
AV6301 Features.................................................................................................................................................................. 1
Applications .......................................................................................................................................................................... 1
Packaging............................................................................................................................................................................. 2
Revision History.................................................................................................................................................................... 3
Table 0-1 AV6xxx Selection Grid .......................................................................................................................................... 6
1 REFERENCE DIAGRAMS .......................................................................................................................................... 7
1.1 Wireless Arbiter Solution Diagram.......................................................................................................................... 7
1.2 Functional Diagram ................................................................................................................................................ 8
1.3 Audio Signal Routing Diagram ............................................................................................................................... 8
1.4 Application Circuit – Wireless Universal Gaming Arbiter ........................................................................................ 9
2 PIN INFORMATION .................................................................................................................................................. 10
2.1 Pin Diagram.......................................................................................................................................................... 10
2.2 Pin Description ..................................................................................................................................................... 11
3 ELECTRICAL SPECIFICATIONS ............................................................................................................................. 13
3.1 Absolute Maximum Ratings .................................................................................................................................. 13
3.2 DC Electrical Characteristics ................................................................................................................................ 14
3.3 Electrical Characteristics – Voltage Supervisory Circuit ....................................................................................... 14
3.4 Electrical Characteristics – RF Receiver .............................................................................................................. 15
3.5 Electrical Characteristics – RF Transmitter .......................................................................................................... 15
3.6 Electrical Characteristics – End-to-end Audio Characteristics.............................................................................. 15
4 PACKAGE INFORMATION....................................................................................................................................... 16
4.1 Package Outline Drawing..................................................................................................................................... 16
4.2 Package Marking.................................................................................................................................................. 17
5 CONTACT INFO & LEGAL DISCLAIMER................................................................................................................. 18
List of Tables
Table 0-1 AV6xxx Selection Grid .......................................................................................................................................... 6
Table 2-2-1 AV301 pin description...................................................................................................................................... 11
Table 3-1 Absolute Maximum Ratings ................................................................................................................................ 13
Table 3-2 AV6301 DC Electrical Characteristics ................................................................................................................ 14
Table 3-3 AV6301 Electrical Characteristics - Voltage Supervisory ................................................................................... 14
Table 3-4 AV6301 Electrical Characteristics - RF Receiver................................................................................................ 15
Table 3-5 AV6301 Electrical Characteristics - RF Transmitter............................................................................................ 15
Table 3-6 AV6301 Electrical Characteristics - End-to-End Audio Characteristics............................................................... 15
List of Figures
Figure 1-1 AV6301 Wireless Arbiter Solution ....................................................................................................................... 7
Figure 1-2 AV6301 Functional Diagram................................................................................................................................ 8
Figure 1-3 AV6301 Audio Routing ........................................................................................................................................ 8
Figure 1-4 AV6301 Application Circuit .................................................................................................................................. 9
Figure 2-1 AV6301 Pin Diagram ......................................................................................................................................... 10
Figure 4-1 AV6301 48 Pin QFN Outline Drawing ............................................................................................................... 16
Figure 4-2 Package Marking Layout ................................................................................................................................... 17
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AV6301 Datasheet (Preliminary) revision 0.2
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AV6301 Datasheet (Preliminary) revision 0.2
Table 0-1 AV6xxx Selection Grid
Part Number AV6200 AV6201 AV6301 AV6200 AV6202 AV6302
Role Sender Receiver
I2S IN Stereo No Stereo N/A Mono Mono
I2S Out N/A No Stereo
Mono
USB Port No Audio /
HID
Audio /
HID
MIC Amp No No No No Yes Yes
Headphone
No No No No Yes Yes
Driver Amp
Battery
No No No No Yes Yes
Charger
General
0 0 0 0 0 3
Purpose
ADCs
Button
Yes Yes Yes Yes Yes Yes
Support
Rotary
No No No No Yes Yes
Encoder
Support
LED Support Yes Yes Yes Yes Yes Yes
Stereo Stereo Stereo
Mono
No HID HID
I2S Loop-
No No Yes No No No
Back
(external
DSP)
MIC path
N/A N/A N/A N/A No Yes
input to I2S
out
MIC Side-
N/A N/A N/A N/A Yes Yes
tone Mix
Game / Chat
N/A No Yes N/A N/A N/A
Mix on TX
Game / Chat
N/A N/A N/A No No Yes
Mix at RX
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AV6301 Datasheet (Preliminary) revision 0.2
1 REFERENCE DIAGRAMS
1.1 Wireless Arbiter Solution Diagram
Figure 1-1 AV6301 Wireless Arbiter Solution
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AV6301 Datasheet (Preliminary) revision 0.2
1.2 Functional Diagram
VDC
V3P6
RFP
RFN
3.6V
LDO
USB
Spnd
RF/IF
Transceiver
XTAL
MCU GPIO
PHY
Figure 1-2 AV6301 Functional Diagram
1.3 Audio Signal Routing Diagram
VBGSUP REF
ROM
RAM
OTP
Audio
Proc
DIG
Regs
USB
3.3V
REG
20
GPIO
DSCP,DSCN
SPI, I2C
GPIO (Buttons, LEDs)
I2S
DP
DM
Figure 1-3 AV6301 Audio Routing
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AV6301 Datasheet (Preliminary) revision 0.2
1.4 Application Circuit – Wireless Universal Gaming Arbiter
Figure 1-4 AV6301 Application Circuit
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AV6301 Datasheet (Preliminary) revision 0.2
2 PIN INFORMATION
2.1 Pin Diagram
Figure 2-1 AV6301 Pin Diagram
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AV6301 Datasheet (Preliminary) revision 0.2
2.2 Pin Description
Table 2-2-1 AV301 pin description
Pin No. Symbol Pin Type Description
1 GPIO1
DSCN
DPA-EN
2 GPIO0
DSCP
DSC
3 XTALP Analog input External crystal input
4 XTALN Analog input External crystal input
5 VDDXO Analog Crystal oscillator regulator bypass pin
6,8,10-14,
16, 19, 20,
23
7 IREF Analog pin Reference current setting resistor connection
9 BGOUT Analog bypass Bandgap reference bypass pin
15 VDDRXADC Bypass Bypass pin for Receiver Data Converter Supply
17 RFP RF I/O RF input/output positive
18 RFN RF I/O RF input/output negative
21 VDC Supply pin 5V input supply voltage from USB
22 V3P6 Bypass Bypass pin for 3.6V main regulator
24 RESETN Digital input RESET signal; active low
25 GPIO16
26 GPIO15
27 GPIO14
28 GPIO13
29 GPIO12
30 GPIO11
32 VDDIO Supply Supply bypass capacitor pin for digital I/O
31 GPIO10
33 GPIO9
34 GPIO8
35 GPIO7
36 GPIO6
37 GPIO19 Digital I/O GPIO port 19, usage is programmable to GPIO OR to
N/C - No connection – Leave unconnected – Do not Ground
PWM2
I2S MONO OUT
PWM1
I2S STEREO IN
I2S STEREO OUT
WCLK
BCLK
PWM1
MCLK
PWM0
M_MISO (SPI Mater)
M_SCL (TWI Master)
SCL (TWI)
M_MOSI (SPI Master)
M_SDA (TWI Master)
SDA (TWI)
M_SCLK (SPI Master)
PWM1
M_SSB (SPI Master)
PWM0
Digital Output GPIO port 1; Usage is programmable to GPIO OR to
Antenna Diversity Switch – OR to
Power Amplifier Enable
Digital Output GPIO port 0; Usage is programmable to GPIO OR to
Antenna Diversity Switch + OR to
Single Polarity Diversity Switch Control
Digital I/O GPIO port 16, usage is programmable to GPIO OR to
PWM resource #2
Digital I/O GPIO port 15, usage is programmable to GPIO OR to
I2S port 2 MONO OUT Data
PWM resource #1
Digital I/O GPIO port 14; usage is programmable to GPIO OR to
I2S Port 1 STEREO IN Data
Digital I/O GPIO port 13; usage is programmable to GPIO OR to
I2S Port 0 STEREO OUT Data
Digital I/O GPIO port 12; usage is programmable to GPIO OR to
I2S Word Clock
Digital I/O GPIO port 11; usage is programmable to GPIO OR to
I2S Bit Clock OR to
PWM resource #1
Digital I/O GPIO port 10; usage is programmable to GPIO OR to
I2S Master Clock OR to
PWM resource #0
Digital I/O GPIO port 9; usage is programmable to GPIO OR to
M_MISO OR to
M_SCL OR to
SCL
Digital I/O GPIO port 8; usage is programmable to GPIO OR to
M-MOSI OR to
M_SDA OR to
SDA
Digital I/O GPIO port 7; usage is programmable to GPIO OR to
M_SCLK OR to
PWM resource #1
Digital I/O GPIO port 6; usage is programmable to GPIO OR to
M-SSB OR to
PWM resource #0
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AV6301 Datasheet (Preliminary) revision 0.2
Pin No. Symbol Pin Type Description
PWM2 PWM resource #2
38 VDDDIG Bypass Bypass capacitor pin for 1.35V digital core regulator
39 VDD18 Bypass Bypass capacitor pin for 1.8V digital regulator (LDO)
40 VDDIO Bypass Bypass capacitor pin for 3.3V digital I/O regulator
41 DM USB I/O USB negative input
42 DP USB I/O USB positive input
43 GPIO18
PWM1
44 GPIO5
S_MISO (SPI Slave)
S_SCL (TWI Slave)
45 GPIO4
S_MOSI (SPI Slave)
S_SDA (TWI Slave)
46 GPIO3
S_SCLK (SPI Slave)
UART_RX
PWM1
47 GPIO2
S_SSB (SPI Slave)
UART_TX
PWM0
48 GPIO17
PWM2
GPIO port 18, usage is programmable to GPIO OR to
PWM resource #1
Digital I/O GPIO port 5; usage is programmable to GPIO OR to
S_MISO OR to
S_SCL
Digital I/O GPIO port 4; usage is programmable to GPIO OR to
S_MOSI OR to
S_SDA
Digital I/O GPIO port 3; usage is programmable to GPIO OR to
S_SCLK OR to
The UART Receiver OR to
PWM resource #1
Digital I/O GPIO port 2; usage is programmable to GPIO OR to
S_SSB OR to
The UART Transmitter OR to
PWM resource #0
Digital I/O GPIO port 17, usage is programmable to GPIO OR to
PWM resource #2
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AV6301 Datasheet (Preliminary) revision 0.2
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.
Device functional operating limits and guaranteed performance specifications are given under Electrical Characteristics at
the test conditions specified.
Table 3-1 Absolute Maximum Ratings
CONDITION MIN MAX Units
Supply (relative to AGND and DGND)
VDC -0.3 6.0 V
Input Voltage Range – Digital Inputs -0.3 3.6 V
Input Voltage Range – Analog Inputs -0.3 3.6 V
Short circuit to GND (any pin) -- continuous
Operating Temperature -40 +85 ºC
Storage Temperature -40 +100 ºC
Lead Temperature (10s) -- +300 ºC
Static Discharge Voltage – HBM (All pins ) 3000 V
Static Discharge Voltage – MM 300 V
Note:
1) HBM = ESD Human Body Model; C = 100pF, R = 1kΩ
2) MM = ESD Machine Model; C = 100pF; R = 300Ω
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AV6301 Datasheet (Preliminary) revision 0.2
3.2 DC Electrical Characteristics
Operating Conditions: VDC = 4.4V to 5.5V, VDDIO = 3.3V, TA = 0ºC to +70 ºC; Typical specifications at TA = 25ºC, VDC = 5.0V.
Table 3-2 AV6301 DC Electrical Characteristics
PARAMETER CONDITIONS MIN TYP MAX UNIT
VDC Supply Voltage Input 4.4 5.0 5.5 V
V3P6 Internally regulated voltage 3.6 V
VDDIO (Digital 3.3V I/O) Reg. Voltage Internally regulated voltage 3.3 V
VDDDIG (Digital Core) Reg. Voltage Internally regulated voltage 1.35 V
VDD1P8 Internally regulated voltage 1.8 V
Supply Current (I
USB Suspend Mode 1.0 mA
Arbiter Search Mode TBD TBD mA
Arbiter Headset Link Mode 55 TBD mA
GPIO Source Current 4 TBD mA
CMOS I/O Logic Levels – 3.3V I/O
Input Voltage Logic Low, VIL V
Input Voltage Logic High, VIH V
Output Voltage Logic Low, VOL V
Output Voltage Logic High, VOH V
USB Interface
DP Logic Output High refer to USB spec; voltage relative to VDDIO 0.8*VDD
DM Logic Output Low refer to USB spec; voltage relative to VDDIO 0.2*VDD
DP Logic Input High refer to USB spec; voltage relative to VDDIO 0.7*VDD
DM Logic Input Low refer to USB spec; voltage relative to VDDIO 0.3*VDD
USB Differential Input Sensitivity 0.2 V
USB Differential Common Mode 0.8 2.5 V
USB Single Ended RX Threshold 0.8 2.0 V
USB IO Pin Static Output (Low) Rl=1.5k to 3.6V 0.3 V
) – USB chip Reset TBD
VDC
= 3.3V 0.8 V
VDDIO
= 3.3V 2.0 V
VDDIO
VDDIO
VDDIO
= 3.3V ; I
= 3.3V; I
=1mA 0.4 V
LOAD
=1mA 2.9 V
LOAD
V
IO
V
IO
V
IO
V
IO
3.3 Electrical Characteristics – Voltage Supervisory Circuit
Operating Conditions: VDC = 4.4V to 5.5V, VDDIO = 3.3V, TA = 0ºC to +70 ºC; Typical specifications at TA = 25ºC, VDC = 5.0V.
Table 3-3 AV6301 Electrical Characteristics - Voltage Supervisor y
PARAMETER CONDITIONS MIN TYP MAX UNIT
Voltage Monitor Low Thres. (assert reset) Monitoring the voltage on V3P6 2.7 V
Voltage Monitor High Thres. (de-assert reset) Monitoring the voltage on V3P6 3.0 V
Brownout bandwidth Monitoring the voltage on V3P6 100 kHz
Reset Threshold (assert) 2.2 V
Reset Threshold (de-assert) 1.1 V
RESETN Minimum Time 0.1uF external capacitor 11 ms
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AV6301 Datasheet (Preliminary) revision 0.2
3.4 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
Table 3-4 AV6301 Electrical Characteristics - RF Receiver
PARAMETER CONDITIONS MIN TYP MAX UNIT
RF Channel Frequency Range LO frequency (driving the mixers)
RF carrier frequency
Modulated Signal Offset from LO 1.35 MHz
Sensitivity (Note 1) TA=25ºC, LNA = High gain mode; max IF gain -89 dBm
Max input signal (desired signal) (Note 1) TA=25ºC, LNA = low gain mode; min IF gain -5 dBm
Input Blocker Level – High Gain mode > 2MHz offset -45 dBm
Out-of-band blocker level <2400 MHz; >2483.5 MHz TBD dBm
Spurious RF outputs
Note 1: Sensitivity and max signal level are defined as the onset of 0.2% Block Error Rate. )BLER)
<2400 MHz
>2483.5 MHz
= 25ºC, VDC = 5.0V.
A
2402
2403.35
2478
-75
-75
2479.35
MHz
MHz
dBm
dBm
3.5 Electrical Characteristics – RF Transmitter
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
Table 3-5 AV6301 Electrical Characteristics - RF Transmitter
PARAMETER CONDITIONS MIN TYP MAX UNIT
RF Channel Frequency Range LO frequency (driving the mixers)
RF carrier frequency
Modulated Signal Offset from LO 1.35 MHz
Modulated Signal Bandwidth -10dB point 1.8 MHz
Output Power Pi/4 DQPSK modulated signal
ACPR: Adj <
Output harmonics 2nd harmonic, P
Out-of-band Spurious Output RF < 2390MHz, > 2483.5MHz, 1MHz RBW <-62 dBm
Output Noise Floor RF < 2390MHz, > 2483.5MHz, 1MHz RBW <-62 dBm
rd
3
harmonic, P
-23dBc, Alt < -30dBc
= 0dBm
out
= 0dBm
out
= 25ºC, VDC = 5.0V.
A
2402
2403.35
+2 dBm
-52
2478
2479.35
dBm
-50
MHz
MHz
dBm
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.
Table 3-6 AV6301 Electrical Characteristics - End-to-End Audio Characteristics
PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Forward stereo path 93 dB
Reverse mono path 68 dB
Audio/Voice Bandwidth End-to-end audio BW; 0.1dB point 20 kHz
End-to-end audio BW; 0.1dB point 6.5 kHz
Audio Latency
Voice Latency AV6202 analog input to AV6201 USB output <16 msec
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AV6201 USB to AV6202 analog output
AV6201 I2S to AV6202 I2S output
<16
<16
msec
msec
AV6301 Datasheet (Preliminary) revision 0.2
4 PACKAGE INFORMATION
4.1 Package Outline Drawing
Figure 4-1 AV6301 48 Pin QFN Outline Drawing
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AV6301 Datasheet (Preliminary) revision 0.2
4.2 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. AV6301)
CC Country Code (i.e. MY for Malaysia)
YY 2 digit year code
WW 2 digit work week
XX Production revision
LLLLLL Silicon Lot number
TT Wafer split (1 by default)
A Assembly Lot
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AV6301 Datasheet (Preliminary) revision 0.2
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.
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