Wistron NeWeb SWA3 User Manual
WirelessAudioModule
AVMD7520‐SWA3
ChrisO'Connor
2010/12/29
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Avnera Model:
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AVMD7520-SWA3
55SWA301.SG1
Wireless Audio Module
AVMD7520-SWA3
W
+15dBm, integrated antenna, 4 channel digital I/O
ireless HD Audio Module Solution
General Description
The AVMD7520-SWA3 module is a
complete radio module solution
containing all the necessary HW and
FW to provide a system-integrationready, multichannel wireless HD audio
solution compatible with the AM2G and
AAL wireless audio system.
The module is comprised of an AV7520
IC combined with RF front-end circuits
(RF PA + balun + filter + RF switch),
FLASH memory, crystal, and passive
components. It is an FCC-certified
modular solution with high performance
PCB printed antennas. The module also
provides a convenient set of digital I/O
interfaces for digital audio through an
I2S port, host MCU control through an
SPI or I2C interface and optional GPIO
for various control and indicator
functions.
The module is a card slot style using the
36 pin PCIe card edge pin arrangement
to save space and cost in connecting to
a main system board.
Features
9 Complete, Integrated Wireless Module
o AV7520 IC
o Complete RF front-end
o Single +5V supply voltage connection
9 High Performance Audio and RF solution
o Supports 16 bit, 48kHz up to 24 bit, 96kHz digital
audio formats
o 120dB SNR Audio Path
o Fixed Low Latency solution
o +15dBm transmit RF output power
o -82dBm receive RF sensitivity
o Support for 30m/150m range NLOS/LOS
9 Digital interfaces and Audio
o 4 channel digital audio I/O (2 stereo I2S ports)
Configurable as input or output
o Stereo audio DAC output
o 4-wire SPI slave interface or 2-wire I2C-compatible
communication with the host MCU
9 Package and connections
o Compact size (38mm x 53mm)
o 36 pin (2x18) PCIe style card slot edge connector
o Dual PCB printed antennas for diversity support
CONTENTS SUBJECT TO CHANGE WITHOUT NOTICE 2 AVNERA PROPRIETARY & CONFIDENTIAL | PROVIDED UNDER NDA
AVMD7520-SWA3 Module Datasheet – Preliminary revision 1.0
Revision History
Revision Change Summary Release Date
1.0 Initial release Nov, 2010
Table of Contents
General Description .............................................................................................................................................................. 2
Features ............................................................................................................................................................................... 2
List of Figures ....................................................................................................................................................................... 3
1 AVMD7520-SWA3 PIN CONFIGURATION................................................................................................................. 4
2 ELECTRICAL SPECIFICATIONS ............................................................................................................................... 6
2.1 Absolute Maximum Ratings ............................................................................................................................... 6
2.2 DC Electrical Characteristics ............................................................................................................................. 6
2.3 Electrical Characteristics – RF Receiver ............................................................................................................ 7
2.4 Electrical Characteristics – RF Transmitter ........................................................................................................ 7
2.5 Electrical Characteristics – RF Channel Frequency .......................................................................................... 8
2.6 Electrical Characteristics – End-to-end Audio Characteristics ........................................................................... 8
2.6.1 I2S Paths ...................................................................................................................................................... 8
2.6.2 Audio DAC Path ............................................................................................................................................ 8
2.7 Electrical Characteristics – MCLK Characteristics ............................................................................................. 9
2.8 Over-the-air Range ............................................................................................................................................ 9
3 Package Information ................................................................................................................................................. 10
3.1 Mechanical Dimensions ................................................................................................................................... 10
4 Ordering Information ................................................................................................................................................. 11
5 CONTACT INFO & LEGAL DISCLAIMER................................................................................................................. 12
FCC Statement ................................................................................................................................................................... 14
For product available in the USA/Canada market, only channel 1~11 can be operated. Selection of other channels is not
possible. ............................................................................................................................................... 錯誤! 尚未定義書籤。
IC Statement: ...................................................................................................................................................................... 16
List of Figures
Figure 1-1 – AVMD7520-SWA3 module pin configuration .................................................................................................... 4
Figure 3-1 - AVMD7520-SWA3 module mechanical dimensions ........................................................................................ 10
CONTENTS SUBJECT TO CHANGE WITHOUT NOTICE 3 AVNERA PROPRIETARY & CONFIDENTIAL | PROVIDED UNDER NDA
AVMD7520-SWA3 Module Datasheet – Preliminary revision 1.0
1 AVMD7520-SWA3 PIN CONFIGURATION
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
B-side
(with shield can)
A-side
(No shield can)
VCCPA
VCC5V
ADAT3
BCLK3
WCLK3
MCLK_OUT
ADAT1
BCLK1
WCLK1
SDA
SCL
S_SSB
S_SCLK
S_MOSI
S_MISO
SRQ/PND
SM0
WM_DETN/GND
Connector
Top View
B1 A1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B14
B15
B16
B17
B18
AVMD7520-SWA3
Pinout Configuration v.1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13B13
A14
A15
A16
A17
A18
GND
GND
GPIO2
GPIO23
GPIO22
GPIO18
GPIO17
GPIO16
GPIO7
GPIO6
GPIO4
GPIO3
GPIO5
GND
AGND
ROUT
LOUT
AGND
Figure 1-1 – AVMD7520-SWA3 module pin configuration
CONTENTS SUBJECT TO CHANGE WITHOUT NOTICE 4 AVNERA PROPRIETARY & CONFIDENTIAL | PROVIDED UNDER NDA
AVMD7520-SWA3 Module Datasheet – Preliminary revision 1.0
Table 1-1 AVMD7520-SWA3 Pin Description
# Pin Name Pin Type Description
A1 GND Analog Module ground
A2 GND Analog Module ground
A3 GPIO2 Digital I/O GPIO #2 – See Note
A4 GPIO23 Digital I/O GPIO #23
A5 GPIO22 Digital I/O GPIO #22
A6 GPIO18 Digital I/O GPIO #18
A7 GPIO17 Digital I/O GPIO #17
A8 GPIO16 Digital I/O GPIO #16
A9 GPIO7 Digital I/O GPIO #7
A10 GPIO6 Digital I/O GPIO #6
A11 GPIO4 Digital I/O GPIO #4
A12 GPIO3 Digital I/O GPIO #3
A13 GPIO5 Digital I/O GPIO #5
A14 GND Ground Module ground – See Note
A15 AGND Analog Audio DAC ground; do not connect to module or system board ground
A16 ROUT Analog Audio DAC right channel output
A17 LOUT Analog Audio DAC left channel output
A18 AGND Analog Audio DAC ground; do not connect to module or system board ground
B1 VCCPA Analog +5V supply voltage input for the RF power amplifier
B2 VCC5V Analog +5V supply voltage input for the module
B3 ADAT3 Digital I/O I2S Audio Data for AV75xx I2S I/O Port # 3
B4 BCLK3 Digital I/O I2S Bit Clock for AV75xx I2S I/O Port # 3
B5 WCLK3 Digital I/O I2S Word Clock for AV75xx I2S I/O Port # 3
B6 MCLK_OUT Digital Output MCLK for I2S audio data
B7 ADAT1 Digital I/O I2S Audio Data for AV75xx I2S I/O Port # 1
B8 BCLK1 Digital I/O I2S Bit Clock for AV75xx I2S I/O Port # 1
B9 WCLK1 Digital I/O I2S Word Clock for AV75xx I2S I/O Port # 1
B10 SDA Digital I/O I2C compatible serial data I/O
B11 SCL Digital I/O I2C compatible serial clock I/O
B12 S_SSB Digital I/O SPI Slave – Slave Select (active low)
B13 S_SCLK Digital I/O SPI Slave – Serial Clock
B14 S_MOSI Digital I/O SPI Slave – Master Out / Slave In
B15 S_MISO Digital I/O SPI Slave – Master In / Slave Out
B16 SRQ/PND Digital Output Notification signal to host (pending notification)
B17 SM0 Digital Input Serial MUX control (for flash programming) and module reset (active low)
B18 WM_DETN / GND Digital output
Wireless module detect (low signal to indicate module is inserted in product) (This pin
is internally connected to “Module ground” pins A1, A2, & A14)
Note: The GPIO2 module pin assignment is different from that uses on the AVMD7520-SWA1 and AVMD7540-SWA4
modules, which assign GPIO2 to Pin A14
CONTENTS SUBJECT TO CHANGE WITHOUT NOTICE 5 AVNERA PROPRIETARY & CONFIDENTIAL | PROVIDED UNDER NDA
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