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Linkplay A88 User Manual

Wireless smart audio module
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Linkplay Wireless Smart Audio
Module (A88)
User Manual
Rev 1.5
Apr. 02 2018

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Summary of Contents for Linkplay A88

  • Page 1 Linkplay Wireless Smart Audio Module (A88) User Manual Rev 1.5 Apr. 02 2018...
  • Page 2 WMB20170414 Number Doc Title Linkplay WiFiAudio-A88 Specification Version HISTORY Version Date Description 2017/04/14 Specification release 2017/08/18 Update new version dimensions and features 2017/09/05 Update RF parameters 2017/12/04 Update operating temperature range 2018/03/05 Add plug PCB and NGFF connector dimensions 2018/04/02 Add key components list Document No.: WMB20170414...

  • Page 3: Table Of Contents

    WMB20170414 Number Doc Title Linkplay WiFiAudio-A88 Specification Version INDEX Overview ..............................4 1.1. Key Components List ..........................4 1.2. Parameter ..............................5 Hardware Description ..........................9 2.1. Description of Hardware Interface ......................9 2.2. Mechanical Dimension .......................... 11 2.3. External Antenna ........................... 13 2.4.

  • Page 4: Overview

    Version 1. Overview Linkplay Wi-Fi Audio module - A88, is our 3rd generation smart audio modules developed to be used in the connected speaker, sound bar and other connected audio devices. It integrates the low power Broadcom BCM43455 Wi-Fi/BT chip and Amlogic A111 application processor. A111 is an advanced application processor designed for connected audio applications.

  • Page 5: Parameter

    WMB20170414 Number Doc Title Linkplay WiFiAudio-A88 Specification Version POWER IC DC-DC SY8089AAAC SOT23-5 RoHS SILERGY POWER IC DC-DC SY8088AAC SOT23-5 RoHS SILERGY RESET IC SGM809-RXN3L/TR SOT-23 RoHS SGMICRO 1.2. Parameter Type Items Performance Certification FCC/CE/Wi-Fi Alliance Wi-Fi WLAN Standard IEEE 802.11 a/b/g/n/ac Wi-Fi compliant Frequency Range 2.400 GHz ~ 2.483 GHz (2.4 GHz ISM Band)
  • Page 6 WMB20170414 Number Doc Title Linkplay WiFiAudio-A88 Specification Version Frequency Range 4.900 GHz ~ 5.845 GHz (5.0 GHz ISM Band) Number of Channels Please see the following table 802.11a : OFDM /64-QAM,16-QAM, QPSK, BPSK Modulation 802.11n : OFDM /64-QAM,16-QAM, QPSK, BPSK 802.11ac : OFDM /256-QAM...
  • Page 7 WMB20170414 Number Doc Title Linkplay WiFiAudio-A88 Specification Version - MCS=4 PER @ -76dBm, ± 2 dB - MCS=5 PER @ -72 dBm, ± 2 dB - MCS=6 PER @ -70 dBm, ± 2 dB - MCS=7 PER @ -69 dBm, ± 2 dB - MCS=8 PER @ -65 dBm, ±...
  • Page 8 -40℃ ~ 85℃ Wi-Fi work distance 2.4G 80 meters/5G 150meters IO Extension USB, I2S, I2C, PWM, SPI, UART Dimension NGFF golden finger 67PIN Table1-1 Linkplay A88 module parameters 5GHz(20MHz) Channel table Band (GHz) Operating Channel Numbers Channel Center Frequencies(MHz) 5180 5200 5.15GHz~5.25GHz...

  • Page 9: Hardware Description

    Version 2. Hardware Description 2.1. Description of Hardware Interface A88 provides the option to connect with customer board through its 67-pins NGFF golden finger. The detail is as follows. Figure 2-1 A88 interface pins Document No.: WMB20170414 Page 9 of 19...
  • Page 10 WMB20170414 Number Doc Title Linkplay WiFiAudio-A88 Specification Version Pin description: Pin No. Pin Name Type Function0 Function1 1，3，5， 16，23， 25，27， 28，34， 46，50， Supply Digital ground 53，54， 58，63， 64，74， 2，4，6 VDD_5V Power I Power supply input > 500mA 26，43， 48，52， No connection 56，62...

  • Page 11: Mechanical Dimension

    5. PD：Internal Pull Down 2.2. Mechanical Dimension Linkplay A98 module has the dimension of 58.5mm x 41.7mm. The detailed layout will be given shortly below. PCB thickness is 0.8mm, must match with NGFF female connector. Unit: mm PLUG PCB dimensions: NGFF connector dimensions: Document No.: WMB20170414...
  • Page 12 WMB20170414 Number Doc Title Linkplay WiFiAudio-A88 Specification Version Top View TOP Components High Limit Document No.: WMB20170414 Page 12 of 19...

  • Page 13: External Antenna

    2.3. External Antenna A88 uses the external antenna for the best Wi-Fi performance. To use external antenna, please choose the antenna type that meets the requirement of IEEE 802 a/b/g/n/ac Wi-Fi standard running at 2.4GHz/5GHz frequency. The detailed parameters are shown in the table below.

  • Page 14: Typical Application

    2 (Max.) 1.43 dBi (@2.4~2.5GHz) Reflection loss 2.77 dBi (@5.15 ~ 5.85 GHz) Connector I-PEX or populate directly Table 2-5 External antenna parameters for A88 2.4. Typical Application WiFiAudio-A88’s typical reference design: Far-Field Document No.: WMB20170414 Page 14 of 19...
  • Page 15 WMB20170414 Number Doc Title Linkplay WiFiAudio-A88 Specification Version Power Document No.: WMB20170414 Page 15 of 19...

  • Page 16: Power On Sequence

    WMB20170414 Number Doc Title Linkplay WiFiAudio-A88 Specification Version 2.5. Power on Sequence 2.6 USB OTG Port Please follow the design rule below to populate the USB host interface: Item Parameter Signal Group Topology Differential Pair Point-to-Point Reference Plane Ground Referenced Characteristic Trace Impedance (Zo) 90 Ω...

  • Page 17: Software Introduction

    Support EDR  Preset With the help of App, you can store the music account token and playlist in the A88. Then the end user can play the playlist by the button/voice or timer even without the App. 3.2. APP support ...

  • Page 18: Certifications

    ≥ Android 4.3.3  Quick Customization With the help of the Linkplay compile server, you can change the brand and some strings, change the logo and some pictures to get a customization App. 3.3. Certifications Linkplay can help you to finish follow certifications: ...
  • Page 19 WMB20170414 Number Doc Title Linkplay WiFiAudio-A88 Specification Version Notes： One tray = 100pcs One carton = 5 trays On carton in total: 5*100pcs = 500pcs Document No.: WMB20170414 Page 19 of 19...
  • Page 20 This exterior label can use wording such as the following: “Contains Transmitter Module FCC ID: 2ANOG-A88 Or ContainsFCC ID: 2ANOG-A88” When the module is installed inside another device, the user manual of the host must contain below warning statements;...
  • Page 21 IC number of the module is visible; then an additional permanent label referring to the enclosed module: "Contains Transmitter Module IC: " 23153-A88 " or "Contains IC: 23153-A88" must be used. Warning:...

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