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Neoway W30 Hardware User's Manual

Compact low-power module that supports wlan, bluetooth, and audio
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W30 Hardware User Guide
Version 1.0

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Summary of Contents for Neoway W30

  • Page 1 W30 Hardware User Guide Version 1.0...
  • Page 2 Every effort has been made in preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied. Neoway provides customers complete technical support. If you have any question, please contact your account manager or email to Sales@neoway.com Support@neoway.com...
  • Page 3 W30 Hardware User Guide Revision Record Version Changes Date Version 1.0 Initial draft 2017-09 Copyright © Neoway Technology Co., Ltd...

  • Page 4: Table Of Contents

    W30 Hardware User Guide Contents 1 About W30 .......................... 1 1.1 Overview ............................1 1.2 Block Diagram ........................... 2 1.3 Features .............................. 2 2 Application Interfaces ...................... 4 2.1 Specifications and Pin Definition ....................... 4 2.2 Pin Description ........................... 5 2.3 Power Supply Pins ..........................
  • Page 5 W30 Hardware User Guide 7.2 Package ............................. 33 8 SMT Furnace Temperature Curve ................34 9 Abbreviations ........................35 Copyright © Neoway Technology Co., Ltd...
  • Page 6 Figure 3-4 Clearance around the antenna ....................25 Figure 6-1 W30 dimensions(top view) ....................31 Figure 6-2 PCB foot print of W30 (top view) ..................32 Figure 8-1 SMT furnace temperature curve ..................34 Copyright © Neoway Technology Co., Ltd...
  • Page 7 Table 1-1 W30 Features .......................... 2 Table 2-1 W30 dimensions ........................4 Table 2-2 W30 pin description ........................ 5 Table 2-3 Parameters of 32 KHz clock signal sequence ............... 14 Table 2-4 Parameters of PCM sequence in host mode ................17 Table 2-5 Parameters of PCM sequence in device mode ..............

  • Page 8: About W30

    1 About W30 1.1 Overview W30 is a compact low-power module that supports WLAN, Bluetooth, and Audio. Its dimensions are 20 mm x 18 mm x 2.2 mm. It is developed on Qualcomm QCA9377 chipset and in compliance with the 802.11 standards, so it supports 2.4 GHz and 5 GHz WLAN for high-speed data transmission.

  • Page 9: Block Diagram

    W30 Hardware User Guide 1.2 Block Diagram Figure 1-1 W30 block diagram Wi-Fi/BT RF switch 2.4G SDIO3.0 48MHz Crystal QCA9377 UART WLAN_3.3V WLAN/BT_EN VDDIO_1.8V AUDIO_3.3V ALC5616 VDD_1.8V 1.3 Features Table 1-1 W30 Features Specifications Description Power supply 3.3V Idle current <...
  • Page 10 802.11n (40MHz): MCS0~MCS7 Wireless rate 802.11ac: MCS0~MCS9 WLAN 5GHz: 802.11a: 6, 9, 12, 18, 24, 36, 48, 54Mbps 802.11n/ac (20MHz): MCS0~MCS7 802.11n/ac (40MHz): MCS0~MCS7 802.11ac (80MHz): MCS0~MCS9 Antenna feature 1x1 Wi-Fi/Bluetooth antenna interface, 50Ω impedance Copyright © Neoway Technology Co., Ltd...

  • Page 11: Application Interfaces

    Table 2-1 W30 dimensions Specifications Dimensions (H x W x D) (20± 0.1 mm) x (18± 0.1 mm) x (2.3± 0.1 mm) Weight 1.8g Package 60-Pin LCC Figure 2-1 W30 pin description (Top View) Copyright © Neoway Technology Co., Ltd...

  • Page 12: Pin Description

    W30 Hardware User Guide 2.2 Pin Description IO: Input/Output DO: Digital output AI: Analog input OD: Output drain DI: Digital input P: Power supply input AO: Analog output Table 2-2 W30 pin description Power Signal Function Level Feature Remarks Domain Power supply Vmin=3.14V The maximum current can be at Vmax=3.46V...
  • Page 13 Leave this pin unconnected if it is LTE_TX_UART 1.8V WLAN, UART data output not used. min=1.35V High level triggers the ON status. min=-0.3V Leave this pin unconnected if it is WLAN_EN WLAN enable signal 1.8V max=0.45V not used. Copyright © Neoway Technology Co., Ltd...
  • Page 14 UART data Leave this pin unconnected if it is UART_TXD 1.8V Bluetooth not used. min=1.35V min=-0.3V max=0.45V UART data Leave this pin unconnected if it is UART_RXD 1.8V Bluetooth not used. min=1.35V max=2.1V Copyright © Neoway Technology Co., Ltd...
  • Page 15 PCM data output of the Leave this pin unconnected if it is PCM_DOUT2 1.8V AUDIO not used. min=1.35V PCM_DIN2 PCM data output of the V min=-0.3V 1.8V Leave this pin unconnected if it is Copyright © Neoway Technology Co., Ltd...
  • Page 16 (threshold): Leave this pin unconnected if it is Earphone detection =1.485V not used. =1.925V =2.7V Leave this pin unconnected if it is MICBIAS Provides MIC bias voltage Vtyp=3.3V not used. Copyright © Neoway Technology Co., Ltd...
  • Page 17 Connected to the AUDIO ground and main ground. Ensure that the AGND Analog ground contact area of the connection between this pin and the main ground is big enough. Other Interfaces Wi-Fi/Bluetooth antenna pin 50 Ω impedance Copyright © Neoway Technology Co., Ltd...

  • Page 18: Power Supply Pins

    WLAN crystal oscillator. The level of VDDIO must be same as the I/O level of the host, and the maximum work current should be at least 300 mA. Figure 2-3 shows the power on/off sequence of the WLAN. Copyright © Neoway Technology Co., Ltd...

  • Page 19: Design Of Audio Power Supply

    100pF VDD_1V8_AUDIO provides 1.8 V power supply input for the AUDIO and loads a very low current. The external 1.8 V voltage is introduced into logic inputs to pull up the internal IO interface. Copyright © Neoway Technology Co., Ltd...

  • Page 20: Wlan Application Interfaces

    Leave this pin unconnected if it is not used. interface The WLAN function of the W30 module complies with 8-bit SDIO 3.0 Interface Protocol, and supports 802.11ac 256-QAM modulation. The transmission rate of the WLAN TCP/IP can reach 215 Mbps at an 80 MHz bandwidth.

  • Page 21: Wlan Control Interface

    Figure 2-6 Sequence of 32 KHz clock signal Table 2-3 Parameters of 32 KHz clock signal sequence Parameter Symbol Minimum Typical Maximum Unit Clock frequency 32.768 Fall time Rise time Duty ratio Frequency error -200 Input high level 1.45 Copyright © Neoway Technology Co., Ltd...

  • Page 22: Bluetooth Application Interfaces

    UART_RXD 52 Leave this pin unconnected if it is not used. Bluetooth The Bluetooth function of W30 requires one complete UART interface, which supports flow control and operates at 1.8V. Figure 2-7 shows the UART connection. Figure 2-7 UART connection 2.5.2 BLUETOOTH PCM Interface...

  • Page 23: Figure 2-8 Pcm Connection

    The BT_EN signal controls the switch of the Bluetooth function. It is pulled down internally and triggered by high level. Figure 2-9 shows the power on/off sequence of the Bluetooth. Figure 2-9 Power on/off sequence of the Bluetooth VMAIN VDD_XO_1V8 VDDIO_1V8 VDD_3V3 T>10us T>10us BT_EN Copyright © Neoway Technology Co., Ltd...

  • Page 24: Audio Application Interfaces

    Input signal of I2S main clock used. The AUDIO function of W30 communicates through one PCM interface. It supports both host and device modes and operates at 1.8 V. Figure 2-10 and Figure 2-11 shows the PCM sequence respectively in host and device modes.

  • Page 25: Audio I2C Interface

    When PCM_CLK is configured as clock signal input in device mode, PCM_CLK signal should be synchronous with I2S_MCLK signal. 2.6.2 AUDIO I2C Interface Signal Pin I/O Function Remarks I2C_SCL Input signal of I2C clock Add a pull-up resistor externally. Leave this pin Copyright © Neoway Technology Co., Ltd...

  • Page 26: Figure 2-12 Reference Design Of The I2C Interface

    I2C data signal The AUDIO function of W30 allows one I2C interface to be control signal. The maximum rate at the I2C interface can be 3.4 Mbps and the interface operates at high level 1.8 V. Add a pull-up resistor externally.

  • Page 27: Analog Audio Interface

    The headphone interface uses the JD1, MICBIAS, IN1_P, HPO_R, and HPO_L pins. This interface can detect headphone automatically and the volume can be adjusted by AT commands. Figure 2-14 shows the reference design of headphone circuit. Copyright © Neoway Technology Co., Ltd...

  • Page 28: Figure 2-14 Reference Design Of Headphone

    SPK_P and SPK_N are the differential signals of speaker. The volume of MIC and SPK can be adjusted through AT commands. For details, see the Neoway_N720_Wi-Fi_AUDIO_Application_Guide_V1.0. Figure 2-16 shows the reference design of the MIC circuit. Copyright © Neoway Technology Co., Ltd...

  • Page 29: Figure 2-16 Reference Design Of The Mic Circuit

    Figure 2-17 shows the reference design of the receiver circuit. Figure 2-17 Reference design of the receiver circuit 10pF 33pF 120Ω @100MHz 32Ω SPK_P 10pF 33pF 120Ω @100MHz SPK_N RECEIVER 10pF 33pF Figure 2-18 shows the reference design of the speaker circuit. Copyright © Neoway Technology Co., Ltd...

  • Page 30: Figure 2-18 Reference Design Of The Speaker Circuit

    The traces should be isolated from digital signals and clock as well as other analog signal traces. No  signal trace crossing is allowed.
Reserve enough grounding holes and ground protection. Do not connect the audio output pins to GND.  Copyright © Neoway Technology Co., Ltd...

  • Page 31: Rf Interface

    Wi-Fi/Bluetooth antenna 50Ω impedance The 45th pin of W30 is the Wi-Fi/Bluetooth antenna interface and the impedance is 50 Ω. It can connect to 2.4G/5G ceramic chip antenna or magnetic antenna. The antenna should be well matched to achieve best performance. It should be installed far away from high speed logic circuits, DC/DC power, or any other strong disturbing sources if developers use RF cable to connect.

  • Page 32: Figure 3-2 Recommended Rf Pcb Design

    The first type of antenna layout is recommended if the PCB is big enough. Number 5 in Figure 3-3 shows the area between the antenna and the ground Figure 3-4 shows the clearance if this area. Figure 3-4 Clearance around the antenna Copyright © Neoway Technology Co., Ltd...
  • Page 33 W30 Hardware User Guide On the PCB, keep the RF signals and RF components away from high-speed circuits, power supplies, transformers, inductors, the clock circuit of MCU, etc. Copyright © Neoway Technology Co., Ltd...

  • Page 34: Electric Feature And Reliability

    W30 Hardware User Guide 4 Electric Feature and Reliability 4.1 Electric Feature Table 4-1 W30 Electric Feature Module Status Minimum Value Typical Value Maximum Value 3.135 V 3.3 V 3.465 V WLAN_3.3V 800 mA 3.3 V 3.6 V AUDIO_3.3V 300 mA If the voltage is too low, the WLAN/Bluetooth or AUDIO function might not work properly.

  • Page 35: Table 4-3 W30 Esd Protection

    W30 Hardware User Guide Table 4-3 W30 ESD protection Testing Point Contact Discharge Air Discharge Power supply pins ± 8 kV ± 15 kV ± 8 kV ± 15 kV ± 8 kV ± 15 kV Cover ± 8 kV ±...

  • Page 36: Rf Feature

    11 dBm -65 dBm MCS6~MCS7 9.5 dBm -62 dBm MCS0~MCS2 11 dBm -75 dBm 802.11n/ac (5G, 40MHz) MCS3~MCS6 10 dBm -62 dBm MCS7 9 dBm -60 dBm 802.11ac (5G, 80MHz) MCS8~MCS9 6.5 dBm -50 dBm Copyright © Neoway Technology Co., Ltd...
  • Page 37 7 dBm -92 dBm Bluetooth 8-DPSK 7 dBm -85 dBm 3 dBm -95 dBm All the values above are obtained in the lab environment. The RX sensitivity is obtained within 10% system error rate. Copyright © Neoway Technology Co., Ltd...

  • Page 38: Mechanical Features

    6.2 PCB Foot Print LCC packaging is adopted to package the pins of the W30 module. Figure 6-2 shows the recommended PCB foot print (Unit: mm). Extend the pad around 1 mm to avoid short circuit caused by irregular flow of solder paste during the SMT process.

  • Page 39: Figure 6-2 Pcb Foot Print Of W30 (Top View)

    W30 Hardware User Guide Figure 6-2 PCB foot print of W30 (top view) Copyright © Neoway Technology Co., Ltd...

  • Page 40: Mounting And Packaging

    Otherwise, the components inside the module might get misplaced. 7.2 Package W30 modules are packaged in sealed vacuum bags with dryer, humidity card, and tray on delivery to guarantee a long shelf life. Follow the same package method again in case of opened for any reasons.

  • Page 41: Figure 8-1 Smt Furnace Temperature Curve

    When using only solder pastes with lead, please ensure that the reflow temperature is kept at 220 ° C  for more than 45 seconds and the peak temperature reaches 240 ° C. Neoway will not provide warranty for heat-responsive element abnormalities caused by improper temperature control. Copyright © Neoway Technology Co., Ltd...

  • Page 42: Abbreviations

    9 Abbreviations WLAN Wireless Local Area Networks SDIO Secure Digital Input and Output Card Pulse Code Modulation Inter-Integrated Circuit bus Inter-IC Sound UART Universal asynchronous receiver-transmitter Electronic Static Discharge Printed Circuit Board Radio Frequency Copyright © Neoway Technology Co., Ltd...

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