Samsung Electronics Co WISP50S Audio Transceiver Module User Manual USER Manual WISP50S rev 1

Samsung Electronics Co Ltd Audio Transceiver Module USER Manual WISP50S rev 1

Contents

Users Manual

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WISP50S Module:
USER Manual
Product Name : Three View Audio Module
Model Name : WISP50S
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1. Product Description
The WISP50S module is a wireless audio module (60X21mm)) based on the SMSC
DARR83. This module can used to build an uncompressed wireless digital audio
transceiver operating in the 2.4GHz, 5.2GHz and 5.8GHz bands.
The wireless audio link supports up to two stereo audio streams and comes together with
additional features such as: data encryption, pairing functionality, bi-directional control
data messages, low power audio snooze mode, WLAN detection and Automatic
Frequency Allocation.
The DARR83 chip itself provides the basic functions of Audio Processing and buffering, Data
Link Layer and Physical Layer. The WISP50S module integrates all functionality for a wireless
digital and analog audio connection, comprising:
2. Features
DARR83 Wireless Audio Processor
2.4GHz/ 5.2GHz/ 5.8 GHz RF Transceiver
Embedded Antennas
Digital audio interfaces (I2S)
Integrated 24 bit stereo Audio DAC + Headphone AMP
Integrated 16 bit Audio ADC + Microphone AMP
Built-in SPI interface Flash
9 pins interface connector for power, audio output, control interface and GPIOs
Regulated 5V supply
3. WISP50S Block Diagram
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4. Description of operations
4.1 Operating Conditions ( 5 V 450 mA)
Symbol Parameter Min. Typ Max Unit
VCC Supply Voltage 4.7 5.0 5.25 V
Temp Operating Temperature 0 25 60 °C
4.2 RF Information
Parameter Value Unit
Modulation QPSK
RF Frequency range (band) 2400 – 2483.5
5150 – 5250
5725 – 5875 MHz
RF Frequency
Ch1 – 2412
Ch2 – 2436
Ch3 – 2464
Ch4 – 5180
Ch5 – 5210
Ch6 – 5240
Ch7 – 5736
Ch8 – 5726
Ch9 – 5814
MHz
Audio Latency 20ms
Audio Bit Resolution 16bit
Audio Sampling Rate 48ksps
Note: Country/ Region dependent.
4.3 Receive mode
In receive mode, antenna diversity is supported. The single ended output of the TR switch is
connected to the RF LNA input through Diplexer and matching networks. Filtering and amplification is
all performed by the radio transceiver. The gain setting is controlled by the BB. The analog IQ outputs
are sampled by the BB by its integrated 22Msps dual channel 8bit ADC. This received data is
demodulated and fed to the audio processing engine controlling the audio function.
4.4 Transmit mode
In transmit mode, the audio engine transforms the audio data into packetized digital IQ signals. These
are in turn pulse-shaped before conversion by a 10bits 44Msps DAC to match to the analog IQ inputs
of the radio IC. The radio IC has programmable baseband filters to lower the RF spectrum side lobes
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and to suppress the DAC image and the DAC spurious. The output power is programmable. A power
detector (PD_out) on the radio IC enables close-loop TX power control. The differential RF PA outputs
are connected via a baluns and Diplexer to a transmit/receive switch with TX diversity option to the RF
connectors.
5. Clock and synthesizer frequencies
The main crystal is connected to the Baseband IC crystal oscillator. This in turn buffers this 44MHz
and feeds it to the radio IC.
In standard configurations, the DARR83 based DWPCIe83 module’s RF section runs at the following
frequencies:
2.4GHz Band: The RF oscillator runs at 2 times the programmed RF output frequency.
Channel RF frequency (in MHz) VCO frequency (in MHz)
1 2412 4824
2 2438 4876
3 2464 4928
5.2GHz Band: The RF oscillator runs at 2/3 times the programmed RF output frequency.
Channel RF frequency (in MHz) VCO frequency (in MHz)
1 5180 3453.33
2 5210 3473.33
3 5240 3493.33
5.8GHz Band: The RF oscillator runs at 2/3 times the programmed RF output frequency.
Channel RF frequency (in MHz) VCO frequency (in MHz)
1 5736 3824
2 5762 3841.33
3 5814 3876
6. Modulation Diagram
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7. Pin out interface connector
Pin information.
Pin Numbe
r
Pin Name I/O Description
1 5V PWR Regulated 4.7V to 5.2V input
2 5V PWR Regulated 4.7V to 5.2V input
3 GPIO_2 I/O PWM_RST#
4 GPIO_13 I/O MUTE
5 GPIO_14 I/O POWER_CTL
6 /RESET(DARR_RST)
I Reset Darr83
7 I2C_SCL_SLV I/O I2C serial clock Slave
8 I2C_SDA_SLV I/O I2C serial data Slave
9 I2C_SCL_MST I/O I2C serial clock Master
10 I2C_SDA_MST I/O I2C serial data Master
11 MCLK I/O 12.288MHz audio clock I/O
12 GND GND GND
13 BCK_W I/O I2S port W Bit Clock
14 LRCK_W I/O I2S port W Left Right Clock
15 GPIO_5 I/O DAT_W
16 GPIO_11 I/O DAT_X
17 MON_TXD I/O Serial sync Data, for test purposes
18 GIPO_6 I/O FW_SEL
19 GPIO_12 I/O IR_RST#
20 GPIO_3 I/O ID_SET#
21 GPIO_15 I/O RED_LED
22 GPIO_4 I/O BLUE_LED (UART_RXD)
23 GPIO_7 I/O IR_SD#(HW_MUTE)
24 GND GND GND
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8. Installation
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9. Notice
FCC Statement
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one of the following measures:
● Reorient or relocate the receiving antenna.
● Increase the separation between the equipment and receiver.
● Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
● Consult the dealer or an experienced radio/TV technician for help.
FCC Caution:
Any changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate this equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
For product available in the USA/Canada market, only channel 1~11 can be operated and
these channel assignments deal with only the 2.4 GHz range.
This device and its antenna(s) must not be co-located or operation in conjunction with any
other antenna or transmitter.
This device is going to be operated in 5.15~5.25GHz frequency range, it is restricted in
indoor environment only.
IMPORTANT NOTE:
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with minimum distance 20cm
between the radiator & your body.
USERS MANUAL OF THE END PRODUCT:
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In the users manual of the end product, the end user has to be informed to keep at least
20cm separation with the antenna while this end product is installed and operated. The
end user has to be informed that the FCC radio-frequency exposure guidelines for an
uncontrolled environment can be satisfied. The end user has to also be informed that
any changes or modifications not expressly approved by the manufacturer could void the
user's authority to operate this equipment. If the size of the end product is smaller than
8x10cm, then additional FCC part 15.19 statement is required to be available in the
users manual: This device complies with Part 15 of FCC rules. Operation is subject to
the following two conditions: (1) this device may not cause harmful interference and (2)
this device must accept any interference received, including interference that may cause
undesired operation.
LABEL OF THE END PRODUCT:
The final end product must be labeled in a visible area with the following " Contains
FCC ID: A3LWISP50S ". If the size of the end product is larger than 8x10cm, then the
following FCC part 15.19 statement has to also be available on the label: This device
complies with Part 15 of FCC rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference and (2) this device must accept any
interference received, including interference that may cause undesired operation.
IC Statement
This Class B digital apparatus complies with Canadian ICES-003.
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interference that
may cause undesired operation of the device.
Cet appareil numérique de la classe B est conforme á la norme NMB-003 du Canada.
For product available in the USA/Canada market, only channel 1~11 can be operated and
these channel assignments deal with only the 2.4 GHz range.
This device and its antenna(s) must not be co-located or operation in conjunction with
any other antenna or transmitter.
The device could automatically discontinue transmission in case of absence of
information to transmit, or operational failure. Note that this is not intended to prohibit
transmission of control or signaling information or the use of repetitive codes where
required by the technology.
The device for the band 5150-5250 MHz is only for indoor usage to reduce potential for
harmful interference to co-channel mobile satellite systems.
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IMPORTANT NOTE:
IC Radiation Exposure Statement:
This equipment complies with IC RSS-102 radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with
minimum distance 20cm between the radiator & your body.
IMPORTANT NOTE:
This module is intended for OEM integrator. The OEM integrator is still responsible for
the IC compliance requirement of the end product, which integrates this module.
20cm minimum distance has to be able to be maintained between the antenna and the
users for the host this module is integrated into. Under such configuration, the IC RSS-
102 radiation exposure limits set forth for an population/uncontrolled environment can be
satisfied.
Any changes or modifications not expressly approved by the manufacturer could void
the user's authority to operate this equipment.
USERS MANUAL OF THE END PRODUCT:
In the users manual of the end product, the end user has to be informed to keep at least
20cm separation with the antenna while this end product is installed and operated. The
end user has to be informed that the IC radio-frequency exposure guidelines for an
uncontrolled environment can be satisfied. The end user has to also be informed that
any changes or modifications not expressly approved by the manufacturer could void the
user's authority to operate this equipment. IC statement is required to be available in the
users manual: This Class B digital apparatus complies with Canadian ICES-003.
Operation is subject to the following two conditions: (1) this device may not cause
harmful interference and (2) this device must accept any interference received, including
interference that may cause undesired operation.
LABEL OF THE END PRODUCT:
The final end product must be labeled in a visible area with the following " Contains IC :
649E-WISP50S ".

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