Audivox DWAM83-TB Manual de usuario
AUDIVO GmbH
User Manual and specicaons for DWAM83- B
Digital Wireless Audio ransceiver Module
FCC and 5.8 GHz RF applicaon only
Audivo GmbH
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3. Contents
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AUDIVO GmbH
1 Revision Log
Date Version Changes Signed Approved by
55 Public release #5!',
55 Added reference to integrator #5!',
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AUDIVO GmbH
2 Technical Module specification
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System Specifications
ID Parameter Value Unit Remarks
RF Characteristics
RF frequency range 5725 - 5875
MHz
Number of RF channels
3
In each Frequency band
Air framing
Addressing 24 Bit
Data message size 32 Byte Application dependent
CRC 16, 24 and 32 Bit Hybrid
Control
Control interface
I2C
Compliant with the I
2
C
protocol (slave), 0…
400kbps Base address
0x80
Data
Data Bandwidth 100 Kbps Bi-directional wireless data
channel
Data latency
5
ms Minimum under good RF
link conditions for
applications that support
the 100kbps data rate
Interference Robustness
Fixed frequency devices (e g
WLAN, microwave oven)
Fully coexistent
1
Frequency hopping devices
(e g 5 8GHz cordless phones)
Fully coexistent
1
Dimensions
Module dimensions 35 x 35 x 4 3 mm
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3 Product Application Overview
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1 Module Block Diagram
2 Module Power Consumption
(Vcc=3 3V, 25°C, Audio Clock:12 288MHz)
Application*
5 8GHz
MU
(in mA)
CU
(in mA)
Standby mode* 21 21
1 Stereo NACK 36 96
2-1 Stereo NACK BiDir 82 146
2 ACK 65 127
TX Continuous mode (peak current) - 300
*Current consumpon measurements based on External MCU using EVK. Standb mode can be wake up b CU
3 RF Performance
For 5 8GHz application (Vcc=3 3V, 25°C)
Parameter Condition in. Typ. ax Units
RF Frequency Range 5725 − 5875 MHz
Number of
RF-channels Carriers in the spectrum − 3 −
Transmission Power Depending on antenna design 9 dBm
Channel Frequency
(dynamic or fixed
allocation)
CH1
CH2
CH3
−
5736
5762 −
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AUDIVO GmbH
5814 MHz
Channel Spacing − 26 − MHz
RF Bandwidth Null-to-null − 22 − MHz
Rx sensitivity − -81 − dBm
Antenna Diversity TX/RX − ON −
4 Module PI Layout
Specs of FFC connector: 0 5mm pitch FPC/FFC Connector, 26 ways, Right Angle Type (Double-Face
Contact), LIF SMT type, Tin/Nickel (Lead Free), Halogen Free
Pin Number Pin Name I/O Description
1
VDD Power Regulated 3 3V input
2
GND Ground Ground
3
MCLK In 12 288MHz audio clock In
4
DARR83_GPIO_2 I/O Configurable
Please refer to the DARR83 datasheet
5
DARR83_GPIO_7 I/O Configurable
Please refer to the DARR83 datasheet
6
DARR83_GPIO_4 I/O Configurable
Please refer to the DARR83 datasheet
7
DARR83_GPIO_23 I/O Configurable
Please refer to the DARR83 datasheet
8
DARR83_GPIO_13 I/O Configurable
Please refer to the DARR83 datasheet
9
DARR83_GPIO_3 I/O Configurable
Please refer to the DARR83 datasheet
10 DARR83_GPIO_15 I/O Configurable
Please refer to the DARR83 datasheet
11 NC NOT CONNECTED
12 NC NOT CONNECTED
13 DARR83_GPIO_24 I/O Configure as MON_TXD
A
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AUDIVO GmbH
14 DARR83_GPIO_14 I/O Configure as IRQ
15 DARR83_GPIO_1 I/O Configure as WP
16 NC NOT CONNECTED
17 DARR_RST DARR RESET (external pull up required)
18 I2C_SCL_SLV I2C SLAVE (SCLK)
19 I2C_SDA_SLV I2C SLAVE (SDA)
20 DARR83_GPIO_12 I/O Configure as SDIO Z
21 DARR83_GPIO_11 I/O Configure as SDIO X
22 DARR83_GPIO_10 I/O Configure as LRCK W
23 GND Ground Ground
24 DARR83_GPIO_8 I/O Configure as BCK W
25 DARR83_GPIO_6 I/O Configure as SDIO Y
26 DARR83_GPIO_5 I/O Configure as SDIO W
;
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AUDIVO GmbH
5 Recommended Operations Conditions
Symbol Parameter in. Typ ax Unit
VCC Supply Voltage 3 1 3 3 3 5 V
VCC Ripple Peak to Peak Ripple (in circuit) − 0 100 mV
T
amb
Operating Temperature -10 25 60
°C
6 Antenna
The module uses embedded PCB track Tri-Band antennas RX and TX diversity antennas are used to avoid
dropouts due to multipath fading
The antenna has a 3 dBi gain (for the 5 8 GHz band)
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Only ‘one’ antenna is selected for use at any one time, through the on-board Transmit-Receive/ Diversity
RF switch
:
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AUDIVO GmbH
7 Transceiver dimensions
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AUDIVO GmbH
8 Critical Module Components (Critical BOM)
BO : Rev0.2
Last Update : 03-June-2011
Item Qty Reference anufacturer FG Part Name Description Package Type RoHS
37 1 BASEBAND IC SMSC DARR83 STS Audio Baseband Chip
FBGA129_7x7;
0 5mm pitch
Yes
38 1 U5, RADIO IC
Airoha Technology
Corp
AL7230S
802 11a/b/g RF IC WLAN transceiver With
Embedded Dual-band PA, 2 4~2 5 GHz and 4 9
~ 5 9 GHz
8mmx8mm QFN-56 Yes
39 1 U4, RF SWITCH NEC uPG2164T5N
DPDT Switch for 2 4GHz and 6GHz Dual-Band
Wireless Lan
6-PIN PLASTIC
TSON
Yes
40 1
U15, BALUN ACX BL2012-10B2450T/LF Balun 50:100, 2400 ±100MHz SMT 2 0x1 25X0 95 Yes
41 1
U8, BALUN MURATA LDB215G5105C-001 Balun, 50:50, 5512 ±363MHz SMT 2 0x1 25X0 95 Yes
42 2
U16-17, DUPLEZER MURATA LFD212G45DF5B859 DIPLEXER 2 4GHz/5GHz SMT 2 0x1 25x0 95 Yes
43 1
Y1, CRYSTAL NDK
NX3225SA, 44MHz, CL
6pF (NDK P/N: EXS00A-
CS04137)
NX3225SA, 44MHz, Frequency Tolerance:
±10ppm, Temperature Characteristics: ±10ppm,
CL Value: 6pF
NX3225SA,
3 2x2 5x0 55
Yes
44 1
U9, REGULATOR
BCD Semiconductor
Manufacturing Ltd
AP2125K-2 8TRE1
Output voltage: 2 8V, 300mA high speed,
extremelylow noise CMOS LDO regulator
SOT-23-5 Yes
9 Firmware revision
6*25
6*4(',','+'4'5
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