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Libre Confidential

Low Cost Integrated Voice/Audio Module

Product Data Sheet

Module: LS5BV-N11S

Rev: 0.2

Summary of content (14 pages)

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Low Cost Integrated Voice/Audio Module Product Data Sheet Module: LS5BV-N11S Rev: 0.
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LS5BV-N11S 1. Introduction Libre Wireless, LS5BV-N11S is a voice enabled network media module which includes a 580 MHz MIPS24K CPU core, 64MB of DDR2 DRAM memory and 16MB of Serial Flash, an 802.11n compliant 1T1R MAC/BBP/PA/RF, single port 10/100 Ethernet MDI interface, Voice processing DSP and a USB Host. LS5BV-N11S provides a convenient and simple voice activated method for discovering and controlling devices, and cloud interfaces.
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LS5BV-N11S  WEP64/128, WPA, WPA2, WAPI engines  QOS - WMM, WMM Power Save  Hardware frame aggregation  Supports 802.11h TPC  MIPS 24KEc 580 MHz with 64 KB I-cache/32 KB D-cache  16-bit DDR2 64Mbytes  Serial Flash 16Mbytes  3x UART  1x USB 2.0 HOST  Single port 10/100 Mbps Fast Ethernet MDI interface  Slow speed I/O: GPIO, SPI, I2C, I2S, UART, and JTAG  I2S interface supports 24-bit/192kHz (slave mode)  I/O: 3.
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LS5BV-N11S  Flexible Listening Enhancement: Improves the intelligibility of received voice in noisy environment.  Voice equalizers: Enable frequency response modifications of voice and audio for better performance.  Customized noise reduction for ASR: Maximizes ASR rates. 3. Block Diagram Figure 3-1: LS5BV Block Diagram Libre Wireless Technologies Data Sheet: LS5BV, Ver. O.
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LS5BV-N11S 4. Specifications 4.1. Generic Specification Table Type Description for LS5BV-N11S Model LS5BV-N11S Product Name Voice Enabled Network Media Module Major Chipset MT7688A + DBMD5 Standard IEEE802.11b / g /n Data Transfer Rate 1, 2, 5.5, 6, 11, 12, 18, 22, 24, 30, 48, 54, 65 and maximum Physical Layer rate of 72.2 Mbps Frequency Band 2.4 GHz Control Bus Interface UART Data Bus Interface USB / Ethernet / I2S I2S Sampling Rate Maximum of 192 KHz, 24 Bits Operating Voltage 3.
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LS5BV-N11S 4.2. RF Characteristics IEEE802.11b IEEE802.11g Items (11 Mbps mode unless otherwise specified) (54 Mbps mode unless otherwise specified) (MCS7 mode unless otherwise specified) Mode DSSS / CCK 11 Mbps OFDM 54 Mbps OFDM 135 Mbps Channel Frequency 2412 ~ 2462 MHz 2412 ~ 2462 MHz 2412 ~ 2462 MHz RX -83dbm -70dbm -65dbm TX EVM -27db -30db -31db Normal Conditions Temperature: 25˚C Temperature: 25˚C Temperature: 25˚C VDD: 3.3 V VDD: 3.3 V VDD: 3.3 V IEEE802.11n 4.3.
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LS5BV-N11S 5. Mechanical, Connectors and Interfaces 5.1. Physical Module The dimension mentioned are subject to change. Please check with Libre team before finalising the design. Module Dimension is 52mm x 26.0mm x 5.8mm (L x W x H) Figure 6-1: Keep Out Area Details TBG Figure 5-1: LS5BV-N11S Module Bottom TBG Figure 5-2: LS5BV-N11S Module Top 5.2. Connector Pin Out Pin Description Function Pin Function Description 1 3.3VD 3.3VD 31 3.3VD 3.3VD 2 Ground GND 32 3.3VD 3.
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LS5BV-N11S Pin Description Function Pin Function Description 6 POWER ON RESET PORST_N I/P 36 SPI_MISO/GPIO6 MISO 7 UART_TXD UART_TXD1 37 SPI_CS1/GPIO37 SPI-CS1 8 UART_RXD UART_RXD1 38 APR GPIO11 APR GPIO11 9 UART CTS UART_CTS1 39 GND Ground 10 UART RTS UART_RTS1 40 EPHY_RXP_P4 Port4 RX+ 11 DEBUG-UART UART_TXD2 41 EPHY_RXN_P4 Port4 RX+- UART_RXD2 42 EPHY_TXP_P4 Port4 TX+ 43 EPHY_TXN_P4 Port4 TX- Lite TXD 12 DEBUG-UART Lite RXD 13 Ground GND 14 MCLK_INPUT
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LS5BV-N11S Pin Description Function Pin Function Description 26 USB_DP USB_D+ 56 27 Ground GND 57 APR GPIO10 APR GPIO10 28 RED LED RED LED 58 APR GPIO12 APR GPIO12 29 BLUE LED BLUE LED 59 GND Ground 30 GREEN LED GREEN LED 60 NC NC 6. Ordering Guide Product Number Mic Configuration LS5BV-N11S TBD 7. Environmental 7.1. Operating  Operating Temperature: TBG  Relative Humidity: TBG 7.2.
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LS5BV-N11S 8. Reference Schematics For latest and detailed reference schematic, Contact Libre team. 8.1. LS5BV-N11S Connector 8.2. J10 Connector Libre Wireless Technologies Data Sheet: LS5BV, Ver. O.
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LS5BV-N11S 8.3. External MIC I/F 3 MIC Configuration – Currently Used 5 MIC Configuration – For Future Use Libre Wireless Technologies Data Sheet: LS5BV, Ver. O.
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LS5BV-N11S 8.4. Alexa UI with Multiple RGB LED on the Ring 8.5. Alexa UI with Single RGB LED For detailed specifications, refer to LS5BV-N11S schematic file available in Libre Portal. 9. Disclaimer THE MATERIALS AND INFORMATION ARE PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A Pas RTICULAR PURPOSE OR NON-INFRINGEMENT.
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LS5BV-N11S 10. Appendix 10.1. Revision History Revision Date Description of change 0.1 February 21, 2017 Draft 0.2 February 22, 2017 Content restructure Libre Wireless Technologies Data Sheet: LS5BV, Ver. O.
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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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.