Samsung WIDA10 Manual de usuario

ersion 1.0 Samsung Elect

onics page 1 of 8



User manual for WIDA10



1. Introduction



This features an embedded 8052 MCU, new low-power modes and support for the 5 GHz dual-band RF

receivers. This supports up to 4 stereo audio streams and comes together with additional features such as: data

encryption, pairing functionality, bi-directional control data messages, full autonomy for receivers,

low-power audio snooze mode, WLAN detection and automatic frequency allocation. This module itself

provides the basic functions of audio processing and buffering, Data Link Layer and Physical Layer.

This enables the module to provide the digital interfaces on one side and the radio interfaces on the other side.



2. Hardware Architecture

2.1 Main chipset information

Item

ende

Part numbe

BBIC SMSC DARR 83

RFIC Airoha AL7230

2.2 Circuit block diagram



The major internal and external block diagram of Samsung 5GHz dual-band wireless audio module is

illustrated in Figure 1-1.



Figure 1-1 WIDA10 Block diagram

3. Operation description

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

3.1 Operating Conditions



Symbol Parameter Min. Typ Max Unit

VCC Supply Voltage 4.7 5.0 5.25 V

Temp Operating Temperature - 10 25 50 °C



3.2 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



Note: Country/ Region dependent.



3.3 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 a matching network. 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 22 Msps dual channel 8bit ADC. This received data is demodulated and fed to the

audio processing engine controlling the I2S connections.

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

3.4 Transmit Mode



In transmit mode, the audio engine controlled I2S, transforms the audio data into packetized digital IQ

signals. These are in turn pulse-shaped before conversion by a 10 bits 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 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 balun and low pass filter to a transmit/receive switch with TX diversity option to the

antenna outputs.



4. Pin description

Pin Numbe

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_4 I/O PWM RESET

4 GND GND GND

5 I

C_SCL_SLV I/O I

C serial clock Slave

6 I

C_SDA_SLV I/O I

C serial data Slave

7 /RESET(DARR_RST) I Reset Darr83

8 MCLK I/O 12.288MHz audio clock I/O

9 GND GND Ground

10 BCK_X I/O I

S port X Bit Clock

11 GPIO_7 I/O POWER_CTL

12 LRCK_X I/O I

S port X Left Right Clock

13 MON_TXD I/O Serial Async Data, for test purposes

14 SDIO_X(DATA1) I/O I

S port X serial data

15 GND GND GND

16 SDIO_W(DATA0) I/O I

S port W serial data

17 GPIO_3 I/O Normal GPIO

18 BCK_W I/O I

S port W Bit Clock

19 GPIO_23 I/O Red LED

20 LRCK_W I/O I

S port W Left Right Clock

21 GND GND Ground

22 GND GND Ground

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5. Installation



This module must be installed in a device and not allow the user to replace nor modify it.

And the location of installation is as follows Figure 5-1.



Figure 5-1

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6. 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.

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.

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

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.



IMPORTANT NOTE:



This module is intended for OEM integrator. The OEM integrator is still responsible for the FCC



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 FCC radiation exposure

limits set forth for a 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 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.

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

LABEL OF THE END PRODUCT:



The final end product must be labeled in a visible area with the following " Contains TX FCC ID:

A3LWIDA10 ". 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 Industry Canada licence-exempt RSS standard(s).



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.



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.



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.

ersion 1.0 Samsung Elect

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

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 Industry Canada Licence-exempt RSS standard(s). 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 TX IC :

649E-WIDA10".

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