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Linkplay A98M Series User Manual

Wireless smart audio module
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Linkplay Wireless Smart Audio
Module (A98M Series)
User Manual
Revision 0.3
December 14, 2020

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Summary of Contents for Linkplay A98M Series

  • Page 1 Linkplay Wireless Smart Audio Module (A98M Series) User Manual Revision 0.3 December 14, 2020...
  • Page 2 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version HISTORY Version Date Description 01/15/2020 Initial version release 03/24/2020 Update description of DVFS 12/14/2020 Add FCC related information Document No.: WMB01152020 Page 2 of 22...

  • Page 3: Table Of Contents

    WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version INDEX Overview ................................4 1.1. Parameter ..............................5 Hardware Description ............................10 2.1. Description of Hardware Interface ......................10 2.2. Mechanical Dimension .......................... 14 2.3. External Antenna ........................... 17 2.4.

  • Page 4: Overview

    BLE. It also provides USB, I2S, I2C, PDM, SPI, UART etc. interfaces to control various types of peripheral devices. The Linkplay embedded firmware is secure, pre-certified for many voice assistants such as Amazon Alexa voice services (AVS), Tencent Xiaowei, Naver Clova, Baidu DuerOS, Yandex Alice etc. among others. It also supports Apple Airplay 2, Spotify connect and numerous other music contents such as Spotify, iHeartRadio, Amazon Music, Tidal, TuneIn, Deezer and many others.

  • Page 5: Parameter

    WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version  128MB NAND FLASH (with 256MB, 512MB options)  AMPAK AP6256  Support IEEE 802.11 a/b/g/n/ac Wi-Fi dual band 1x1  Support BT5.0 with EDR and BLE Application ...
  • Page 6 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version 802.11n 20MHz MCS4 -77 dBm 802.11n 20MHz MCS5 -75 dBm 802.11n 20MHz MCS6 -72 dBm 802.11n 20MHz MCS7 -71 dBm 802.11b : -10 dBm Maximum Input Level 802.11g/n : -20 dBm...
  • Page 7 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version 802.11n 40MHz 5180~5350GHz MCS0-3 : 17 dB 802.11n 40MHz 5180~5350GHz MCS4/5 : 16 dB 802.11n 40MHz 5180~5350GHz MCS6 : 15 dB 802.11n 40MHz 5180~5350GHz MCS7 : 14 dB 802.11n 40MHz 5500~5700GHz MCS0-3 : 17 dB 802.11n 40MHz 5500~5700GHz MCS4/5 : 16 dB...
  • Page 8 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version 802.11ac 40MHz 5745~5825GHz MCS7 : 14 dB 802.11ac 40MHz 5745~5825GHz MCS8 : 12 dB 802.11ac 40MHz 5745~5825GHz MCS9 : 10.5 dB 802.11ac 80MHz 5180~5350GHz MCS0-3 : 17 dB 802.11ac 80MHz 5180~5350GHz MCS4/5 : 16 dB 802.11ac 80MHz 5180~5350GHz MCS6 : 15 dB...
  • Page 9 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version 802.11n 40MHz MCS4 -76 dBm 802.11n 40MHz MCS5 -71 dBm 802.11n 40MHz MCS6 -70 dBm 802.11n 40MHz MCS7 -68 dBm 802.11ac 20MHz MCS0 -90 dBm 802.11ac 20MHz MCS1 -87 dBm 802.11ac 20MHz MCS2 -84 dBm...

  • Page 10: Hardware Description

    WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version BDR Output Power CL1: 6dBm、CL2: 2dBm EDR Output Power CL1: 4dBm、CL2: 2dBm LE Output Power CL1: 5dBm、CL2: 2dBm Sensitivity @ BER=0.1% -86 dBm, Typical for GFSK (1Mbps) Sensitivity @ BER=0.01% -87 dBm, Typical for π/4-DQPSK (2Mbps)
  • Page 11 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version Document No.: WMB01152020 Page 11 of 22...
  • Page 12 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version Figure 2-1 A98M Interface Pins Pin Description: Pin No. Pin Name Type Description Power Domain 1, 3, 5, 16, 23, 25, 27, 28, 34, 46, 50, Supply Digital ground...
  • Page 13 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version GPIOZ_6 General purpose input output 3.3V PWM_B Pulse Width Modulation B 3.3V PWM_D Pulse Width Modulation C 3.3V PWMAO_C Pulse Width Modulation AO_C 3.3V PWMAO_D Pulse Width Modulation AO_D 3.3V...

  • Page 14: Mechanical Dimension

    4. IPU：Internal Pull Up 5. IPD：Internal Pull Down 2.2. Mechanical Dimension Linkplay A98M module has the dimension of 50mm x 43.33mm. The detailed layout will be given shortly below. Unit: mm PLUG PCB dimensions: NGFF connector dimensions: Top View Dimensions Document No.: WMB01152020...
  • Page 15 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version TOP Height Limit Document No.: WMB01152020 Page 15 of 22...
  • Page 16 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version Bottom Height Limit Document No.: WMB01152020 Page 16 of 22...

  • Page 17: External Antenna

    WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version Figure 2-2 A98M Physical Dimension 2.3. External Antenna A98M 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 18: Typical Application

    WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version Connector I-PEX or populate directly Table 2-5 External Antenna Parameters for A98M 2.4. Typical Application A98M series application schematics: A98X_PCM5121_REFERENCE_V07.pdf USB OTG Port Please follow the design rule below to populate the USB host interface:...

  • Page 19: App Support

    Log App and device exceptions to the device cloud  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 brand customized App 3.3. Certifications Linkplay can help you complete the following certifications to achieve the fast time to market for product launch.

  • Page 20: Module Environmental And Package

    WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version  Google Voice Assistant   Spotify Connect  DLNA  QPlay  Apple Airplay2 4. Module Environmental and Package 4.1. Environmental Ratings The environmental ratings are shown as following table.

  • Page 21: Fcc Information

    WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version Part Number Package Description Remark RAM: 128MB A98M 67-PIN NGFF Golden Fingers Flash: 128MB RAM: 128MB A98M-12 67-PIN NGFF Golden Fingers Flash: 256MB RAM: 256MB A98M-22 67-PIN NGFF Golden Fingers...
  • Page 22 WMB01152020 Number Doc Title Wireless Smart Audio Module-A98M Series Datasheet Version 1. The antenna must be installed such that 20 cm is maintained between the antenna and users. 2. The transmitter module may not be co-located with any other transmitter or antenna. As long as the two conditions above are met, additional transmitter testing will not be required.

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