User's Manual

ManualsBrandsLinkplay ManualsElectronicsWireless Smart Audio Module (BT, 2.4GHz and 5GHz WIFI)

Linkplay Wireless Smart Audio

Module (A98M Series)

User Manual

Revision 0.3

December 14, 2020

Summary of content (22 pages)

PAGE 1
Linkplay Wireless Smart Audio Module (A98M Series) User Manual Revision 0.
PAGE 2
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 HISTORY Version Date Description 0.1 01/15/2020 Initial version release 0.2 03/24/2020 Update description of DVFS 0.3 12/14/2020 Add FCC related information Document No.
PAGE 3
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 INDEX 1. 2. 3. 4. 5. 6. Overview ............................................................................................................................................................. 4 1.1. Parameter ................................................................................................................................................. 5 Hardware Description ....................................
PAGE 4
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 1. Overview Linkplay Wireless Smart Audio module–A98M, is our 3rd. generation smart audio modules developed to be used in the connected speaker, sound bar and other connected audio devices. It supports both ‘voice built-in’ and ‘work with voice’ applications. It integrates the low power Broadcom BCM43456 Wi-Fi/BT chip and Amlogic A113X application processor that is designed for the connected audio applications.
PAGE 5
Doc Title Wireless Smart Audio Module-A98M Series Datasheet     Application   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 Number Version WMB01152020 0.3 Connected speaker, sound bar Connected audio devices 1.1. Parameter Type Wi-Fi Items Performance Certification TBA WLAN Standard IEEE 802.11 a/b/g/n/ac Wi-Fi compliant Frequency Range 2.400 GHz ~ 2.4835 GHz (2.
PAGE 6
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 802.11n 20MHz MCS4 -77 dBm 802.11n 20MHz MCS5 -75 dBm 802.11n 20MHz MCS6 -72 dBm 802.11n 20MHz MCS7 -71 dBm Maximum Input Level 802.11b : -10 dBm 802.11g/n : -20 dBm Antenna Interface External: I-PEX I with 0 ~ 2 dBi peak gain WLAN Standard IEEE 802.11a/n/ac 1x1 & Wi-Fi compliant Frequency Range 5.15 ~ 5.35GHz、5.47 ~ 5.725GHz、5.725 ~ 5.85GHz (5GHz UNII Band) Number of Channels 5.18~5.35GHz：Ch36 ~ Ch64 5.
PAGE 7
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 802.11n 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 802.11n 40MHz 5500~5700GHz MCS6 : 15 dB 802.11n 40MHz 5500~5700GHz MCS7 : 14 dB 802.11n 40MHz 5745~5825GHz MCS0-3 : 17 dB 802.11n 40MHz 5745~5825GHz MCS4/5 : 16 dB 802.
PAGE 8
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 802.11ac 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 802.11ac 80MHz 5180~5350GHz MCS7 : 14 dB 802.11ac 80MHz 5180~5350GHz MCS8 : 12 dB 802.11ac 80MHz 5180~5350GHz MCS9 : 10.5 dB 802.
PAGE 9
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 802.11n 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 802.11ac 20MHz MCS3 -81 dBm 802.11ac 20MHz MCS4 -77 dBm 802.11ac 20MHz MCS5 -73 dBm 802.11ac 20MHz MCS6 -71 dBm 802.11ac 20MHz MCS7 -70 dBm 802.11ac 20MHz MCS8 -67 dBm 802.11ac 40MHz MCS0 -88 dBm 802.
PAGE 10
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number 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% for GFSK (1Mbps) -86 dBm, Typical Sensitivity @ BER=0.01% for π/4-DQPSK (2Mbps) -87 dBm, Typical Sensitivity @ BER=0.01% for 8DPSK (3Mbps) -83 dBm, Typical Sensitivity @ BER=0.01% for LE (1Mbps) -90 dBm, Typical Sensitivity @ BER=0.01% for LE (2Mbps) -90 dBm, Typical WMB01152020 0.
PAGE 11
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Document No.: WMB01152020 Number Version WMB01152020 0.
PAGE 12
Doc Title Wireless Smart Audio Module-A98M Series Datasheet WMB01152020 Number Version 0.3 Figure 2-1 A98M Interface Pins Pin Description: Pin No. 1, 3, 5, 16, 23, 25, 27, 28, 34, 46, 50, 53, 54, 58, 63, 64, 74, 75 Pin Name Type Description Power Domain GND Supply Digital ground GND 2，4，6 VDD_5V Power Power supply input > 800mA 3.5 - 5.5V 7 GPIOZ_7 I/O General purpose input output 3.3V 17 I2C1_SCL I/O I2C bus1 clock 3.3V 19 I2C1_SDA I/O I2C bus1 data 3.
PAGE 13
Doc Title Wireless Smart Audio Module-A98M Series Datasheet 29 GPIOZ_6 I/O 31 PWM_B 33 Number Version General purpose input output 3.3V O Pulse Width Modulation B 3.3V PWM_D O Pulse Width Modulation C 3.3V 35 PWMAO_C O Pulse Width Modulation AO_C 3.3V 37 PWMAO_D O Pulse Width Modulation AO_D 3.3V 39 UART0_RXD I UART0 receive 3.3V 41 UART0_TXD O UART0 transmit 3.3V 43 GPIOAO_7 I/O General purpose input output 3.3V 45 GPIOAO_6 I/O General purpose input output 3.
PAGE 14
Doc Title 72 Wireless Smart Audio Module-A98M Series Datasheet MCLK_B O Master clock B Number Version WMB01152020 0.3 3.3V Table 2-1 Linkplay A98M module pin description Notes: 1. 2. 3. 4. 5. I：Input O：Output P：Power IPU：Internal Pull Up 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.
PAGE 15
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 TOP Height Limit Document No.
PAGE 16
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 Bottom Height Limit Document No.
PAGE 17
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 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. Item Parameter Frequency range 2.4 ~ 2.5GHz/4.9 ~ 5.
PAGE 18
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Connector Number Version WMB01152020 0.3 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 2.
PAGE 19
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 Support Amazon Alexa, Tencent Xiaowei, Naver Clova, Yandex Alice, and GVA etc.  Music content Support Spotify, Amazon Music, iHeartRadio, Napster, TuneIn, Tidal, Deezer, vTune, Qobuz, Audible, Radio.
PAGE 20
Doc Title       WMB01152020 Number Version Wireless Smart Audio Module-A98M Series Datasheet 0.3 Google Voice Assistant MFi Spotify Connect DLNA QPlay Apple Airplay2 4. Module Environmental and Package 4.1. Environmental Ratings The environmental ratings are shown as following table. Characteristic Storage Temperature Relative humidity Value Units Conditions/Comments -5 ~ 45 ℃ Less than 60 % Storage Less than 80 % Operation 4.2.
PAGE 21
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Part Number Package Number Version Description A98M 67-PIN NGFF Golden Fingers RAM: 128MB Flash: 128MB A98M-12 67-PIN NGFF Golden Fingers RAM: 128MB Flash: 256MB A98M-22 67-PIN NGFF Golden Fingers RAM: 256MB Flash: 256MB A98MG 67-PIN NGFF Golden Fingers RAM: 512MB Flash: 512MB WMB01152020 0.3 Remark 6.
PAGE 22
Doc Title Wireless Smart Audio Module-A98M Series Datasheet Number Version WMB01152020 0.3 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.