Linkplay Wireless Smart Audio Module (A98ML) User Manual Revision 0.
Doc Title Number Version Wireless Smart Audio Module-A98ML Specification WMB20180515 0.4 HISTORY Revision Date Description 0.1 05/15/2018 Datasheet Release 0.2 05/08/2019 Dimension and screw holes update 0.3 07/31/2019 Add I/O Power Domain Information 0.4 08/02/2019 Update Bluetooth Version Document No.
Doc Title Wireless Smart Audio Module-A98ML Specification Number Version WMB20180515 0.4 INDEX 1. 2. 3. 4. Overview ............................................................................................................................................................. 4 1.1. Parameter ................................................................................................................................................. 5 Hardware Description .............................................
Doc Title Wireless Smart Audio Module-A98ML Specification Number Version WMB20180515 0.4 1. Overview Linkplay Wireless Smart Audio module–A98ML, 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 BCM43438 Wi-Fi/BT chip and Amlogic A113X application processor. A113X is an advanced application processor designed for connected audio applications.
Doc Title Wireless Smart Audio Module-A98ML Specification Number Version WMB20180515 0.4 1.1. Parameter Type Wi-Fi Items Performance Certification TBD WLAN Standard IEEE 802.11 b/g/n Wi-Fi compliant Frequency Range 2.400 GHz ~ 2.483 GHz (2.4 GHz ISM Band) Number of Channels Ch1 ~ Ch13 Modulation 802.11b : DQPSK, DBPSK, CCK 802.11g/n : OFDM /64-QAM,16-QAM, QPSK, BPSK 802.11b /11Mbps : 16 dBm ± 1.5 dB @ EVM≤-9dB Output Power 802.11g /54Mbps : 15 dBm ± 1.5 dB @ EVM≤-25dB 802.
Doc Title Wireless Smart Audio Module-A98ML Specification Number Version Number of Channels 79 channels Modulation FHSS, GFSK, DPSK, DQPSK Output Power (Output power can be configured by HCD firmware) 10 dBm (Max.) Sensitivity @ BER=0.1% for GFSK (1Mbps) -86 dBm, typical Sensitivity @ BER=0.01% for π/4-DQPSK (2Mbps) -86 dBm, typical Sensitivity @ BER=0.01% for 8DPSK (3Mbps) -80 dBm, typical WMB20180515 0.
Doc Title Wireless Smart Audio Module-A98ML Specification Document No.: WMB20180428 Number Version WMB20180515 0.
Doc Title Wireless Smart Audio Module-A98ML Specification WMB20180515 Number Version 0.4 Figure 2-1 A98ML 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.
Doc Title Wireless Smart Audio Module-A98ML Specification 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.
Doc Title 72 Wireless Smart Audio Module-A98ML Specification MCLK_B O Master clock B Number Version WMB20180515 0.4 3.3V Table 2-1 A98ML 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 A98ML module has the dimension of 50mm x 40.33mm. The detailed layout will be given shortly below. Unit: mm PLUG PCB dimensions: NGFF connector dimensions: Document No.
Doc Title Wireless Smart Audio Module-A98ML Specification Number Version WMB20180515 0.4 Top View TOP Components Height Limit Document No.
Doc Title Wireless Smart Audio Module-A98ML Specification Number Version WMB20180515 0.4 Bottom Components Height Limit Document No.
Doc Title Wireless Smart Audio Module-A98ML Specification Number Version WMB20180515 0.4 Figure 2-2 A98ML Physical Dimension 2.3. External Antenna A98ML 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 b/g/n Wi-Fi standard running at 2.4GHz frequency. The detailed parameters are shown in the table below. Item Parameter Frequency range 2.4 ~ 2.5GHz Impedance 50 Ohm VSWR 2 (Max.
Doc Title Wireless Smart Audio Module-A98ML Specification Connector Number Version WMB20180515 0.4 I-PEX or populate directly Table 2-5 External Antenna Parameters for A98ML 2.4. ower on Sequence 2.6 USB OTG Port Please follow the design rule below to populate the USB host interface: Item Signal Group Topology Reference Plane Characteristic Trace Impedance (Zo) Document No.
Doc Title Wireless Smart Audio Module-A98ML Specification Trace Width Serpentine Spacing (center to center) Minimum Isolation Spacing to Clock Signals Minimum Isolation Spacing to Low-Speed Signals Minimum Isolation Spacing to other USB Pair Total Length (with package length) Maximum Recommended Via Count DM to DP Length Matching (with package length) Number Version WMB20180515 0.4 4 mils 8.
Doc Title Number Version Wireless Smart Audio Module-A98ML Specification WMB20180515 0.4 3.2. APP Support iOS App ≥ iOS6.1，suggest iOS10 and above Android APP ≥ 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.
Doc Title Wireless Smart Audio Module-A98ML Specification WMB20180515 Number Version 0.4 ESD Handling ESD_HAND_HBM Human Body Model Contact Discharge per JEDEC EID/JESD22-A114 Machine Model (MM) ESD_HAND_MM Machine Model Contact 30 V ESD_HAND_CDM Charged Device Model Contact Discharge per JEDEC EIA/JESD22-C101 300 V CDM Document No.
Doc Title Wireless Smart Audio Module-A98ML Specification Number Version WMB20180515 0.4 Single Module FCC Statement 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.
Doc Title Wireless Smart Audio Module-A98ML Specification Number Version WMB20180515 0.4 Trace antenna designs: Not applicable. Antenna type PIFA Antenna gain 1.6dBi Document No.
