User manual Project Name: M18Q2 Author: Wistron NeWeb Corporation Revision: 1.
User Manual Contact Information Sale and Technical Support SupportIoT.MBA@wnc.com.tw Website www.wnc.com.tw Revision History Rev. # Author Summary of Changes Date 1.0 WNC MBU Draft release 2016/4/15 1.1 WNC MBU Fine-tune wording 2016/5/12 1.2 WNC MBU Update RF Exposure Information 2016/5/17 1.3 WNC MBU Update antenna and PCB layout guidance 2016/5/17 1.
User Manual © Wistron NeWeb Corporation THIS DOCUMENT AND THE INFORMATION CONTAINED HEREIN IS PROPRIETARY AND IS THE EXCLUSIVE PROPERTY OF WNC AND SHALL NOT BE DISTRIBUTED, REPRODUCED, OR DISCLOSED IN WHOLE OR IN PART WITHOUT PRIOR WRITTEN PERMISSION FROM WNC. LIMITATION OF LIABILITY THIS DOCUMENT AND THE INFORMATION CONTAINED HEREIN IS PURELY FOR DESIGN REFERENCE AND SUBJECT TO REVISION BY WNC AT ANY TIME.
User Manual RF Exposure Information This device is intended only for OEM integrators under the following conditions: (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.
User Manual to be available in the users manual: This device complies with Part 15 of 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.
User Manual Contents Contact Information ......................................................................................................................... 2 Revision History................................................................................................................................ 2 Contents ........................................................................................................................................ 6 1. Introduction....................................
User Manual 3.2. RF Layout guidance ...........................................................................................................22 3.3. Antenna Guidance ..............................................................................................................24 3.4. Interference and sensitivity ................................................................................................24 3.5. Radiated sensitivity measurement ...........................................................
User Manual 1. Introduction The M18Q2 is a Cat. 4 LTE modem which incorporates an application CPU subsystem and a host of peripheral interfaces and functions uniquely designed to address the power/performance/cost requirements of IoT and M2M applications. The chip is based on Qualcomm’s MDM architecture which offers OFDMA-related software based signal processing capabilities that significantly exceed traditional communications ARM cores.
User Manual 2. Electrical Specifications 2.1. Host interface pin assignments 2.1.1. LGA Pad Diagram Figure 1.
User Manual 2.1.2. Pin Assignments Table 1. Pin interface family Interface Family RF Interfaces User Identity Module USB 2.
User Manual SDC1/1st_SPI Module Control and State Interfaces Power and Ground General Purpose AUDIO RFU Debug □ Normal PCM/I2S RFU JTAG □ Internal Use Confidential SPI_MISO 2nd_SPI master in slave out I SDC1_DATA_3 SDC1_DATA_3 I/O 1st_SPIM_MOSI 1st_SPI master out slave in O SDC1_DATA_2 SDC1_DATA_2 I/O 1st_SPIM_MISO 1st_SPI master in slave out I SDC1_DATA_1 SDC1_DATA_1 I/O 1st_SPI chip select O SDC1_DATA_0 SDC1_DATA_0 I/O 1st_SPIM_CLK 1st_SPI serial clock O SDC1_CMD
User Manual Force_USB_BOOT MDM_PS_HOLD PS_HOLD I Force_USB_BOOT_CONFIG Force USB BOOT CONFIG I Table 2. Digital I/O characteristics Note: This is preliminary data for reference and will be updated according to the final version of the MDM9207 datasheet. 2.2. Power supply LTE module power input is VCC. The internal power chipset will transfer VCC to other power level. Table 3. Power supply specifications Power Pin Name Pads Description VCC VCC1 to VCC6 Nos.
User Manual VCC (3.3 V to 4.2 V) VCC (3.3 V to 4.2 V) VCC (3.3 V to 4.2 V) VCC (3.3 V to 4.2 V) VCC (3.3 V to 4.2 V) DCDC1.125 V DCDC1.275 V DCDC1.125 V DCDC1.95 V VREG_S1 VREG_S2 VREG_S3 VREG_S4 LDOS 1.125 V 1.275 V 1.125 V 1.95 V VREG_L1 1.25 V 1.8 V VREG_L2 1.8 V VREG_L3 3.075 V VREG_L4 VREG_L5 2.85 V VREG_L6 2.85 V 1.8 V VREG_L7 1.8 V VREG_L8 VREG_L9 1.225 V VREG_L10 1.025 V 1.8 V VREG_L11 1.15 V VREG_L12 2.85 V VREG_L13 VREG_L14 2.7 V VREG_RFCLK 1.8 V VREG_XO 1.8 V VREG_LPDDR 0.
User Manual 2.3. USB interface The M18Q2 module complies with USB 2.0 high-speed protocol. The USB input/output lines follow USB 2.0 specifications. Table 4. Signals of the USB interface Name Description USB data positive (low-/full-speed) Input/Output (Direction to module) Voltage Level (V) Min. Typ. Max. Input High 2 3.3 3.6 Input Low 0 Output High 2.8 0.8 3.3 Output Low D+ USB data positive (high-speed) USB data negative (low-/full-speed) 0.3 Input High 0.3 0.44 Input Low 0 0.
User Manual 2.4. SGMII interface The M18Q2 includes integrated Ethernet MAC with SGMII interfaces with the following key features: IEEE 802.3 compliance Full duplex at 1 Gbps Half/full duplex for 10/100 Mbps Supports VLAN tagging Supports IEEE 1588, Precision Time Protocol (PTP) Can be used to connect to external Ethernet PHYs such as AR8033 or to an external switch The following figures describe an example of the additional logic connection between the M18Q2 and the Ethernet chip. Figure 3.
User Manual Signals lengths on the M18Q2 are tuned as below: Function SGMII Net Length (mil) SGMII_TX_P 617.11 SGMII_TX_M 642.13 SGMII_RX_P_C+SGMII_RX_P 661.40 SGMII_RX_M_C+SGMII_RX_M 675.06 2.5. HSIC interface The M18Q2 includes a HSIC interface. This host interface can be connected to other application processor or interface-transfer chipset. Figure 4.
User Manual 2.6. SIM interface The M18Q2 includes a SIM controller, interface pins, and a dedicated LDO (3.0 V or 1.8 V). The following figures describe the additional logic connection between the M18Q2 and the SIM card. Figure 5. SIM card circuit (example) 2.7.
User Manual sleep when not needed by toggling it low. “WAKEUP_IN” (Host: Output, Modem: Input): LOW: SoC does not require the MODEM (allowing it to sleep). HIGH: SoC requires the MODEM or acknowledges it is ready following a wakeup request from the MODEM. “WAKEUP_OUT” (Host: Input, Modem: Output): LOW: The MODEM does not require the Host (allowing it to sleep) HIGH: The MODEM requires the Host or acknowledges it is ready following a wakeup request from the SoC. 2.8.
User Manual Timing Note: This part will be updated according to the final MDM9207 datasheet. 2.8.3. PCM Interface The LGA module provides one PCM digital audio interface. The PCM data bus voltage level is 1.8 V. Figure 7. PCM connection (example) 2.8.4. I2S Interface PCM and I2S share the same pins on the M18Q2; the PCM signal pins can be configured as an I2S interface. Config1 Config2 PCM_SYNC I2S_WS PCM_DIN I2S_DATA0 PCM_DOUT I2S_DATA1 PCM_CLK I2S_SCK Figure 8.
User Manual 2.8.5. I2C Interface Adding pull-high resistors to 1.8 V through the 2.2 kΩ resistors is recommended. Figure 9. I2C connection (example) 2.8.6. UART Interface There are two UART interfaces: One is a 4 bit UART for high-speed data transfer, and the other is a 2 bit UART for diagnostic tools and debugging. Figure 10.
User Manual 2.8.7. ADC Interface An Analog to Digital Converter (ADC) input is provided by the M18Q2. The converter is a 16 bit resolution, ranging from 0.1 V to 1.7 V, with a sampling rate of 2.4 MHz.
User Manual 3. RF Specifications 3.1. RF connections The M18Q2 has three RF pads; developers may connect them via 50 Ω traces to the main board. ANT0_TRX pad (Pin15) – Primary RX/TX path ANT1_DRX pad (Pin21) – Diversity path ANT_GNSS pad (Pin9) – GNSS path (optional) 3.2. RF Layout guidance It is recommended that grounds not be present under the surface of the RF pads in the layout. Details are included below. 0.5mm Pin15 0.
User Manual The characteristic impedance depends on the dielectric of PCB, the track width and the ground plane spacing. Microstrip type is required. The detail simulation as below. The RF trace of the test board which was used in the FCC test is defined as below.
User Manual Connector to Antenna 3.3. Antenna Guidance The antenna should be 50ohm characteristic impedance with the return loss of better than -10dB at the operation band. The antenna gain would affect the radiated power and regulator test result. 3.4. Interference and sensitivity This section includes tips to assist developers in identifying the interference that may affect the M18Q2 when is it used in systems.
User Manual – Antenna location is important; we recommend directing the antenna away from high-speed switching signals. Furthermore, the trace from the module to the antenna should be as short as possible and must be shielded by complete grounding. – The M18Q2 is well shielded; the high-speed elements on a system should have shielding reserved during the early stages of development. 3.5. Radiated sensitivity measurement Over-the-air testing can demonstrate the TRX ability of the whole system.
User Manual Table 6. Bandwidth support Bandwidth Band 1.4 MHz 3 MHz 5 MHz 10 MHz 15 MHz 20 MHz LTE Band 2 LTE Band 4 LTE Band 5 LTE Band 12 Table 7. Conductive Rx sensitivity Band Items Parameter Unit LTE Band 2 Receive Sensitivity 10 MHz with 50 RBs dBm –94.3 LTE Band 4 Receive Sensitivity 10 MHz with 50 RBs dBm –96.3 LTE Band 5 Receive Sensitivity 10 MHz with 50 RBs dBm –94.
User Manual 4. Software Interface 4.1. Support tools The M18Q2 is compatible with the following support tools: WNC M18Q2 Connection Manager (WM18QCM) 4.2. USB interface The M18Q2 supports 3GPP standard AT commands and proprietary AT commands; the MAL Manager SDK is also supported for Linux platforms.
User Manual 5. Mechanical and Environmental Certifications 5.1. PCBA Form Factor Dimensions 26.3 mm (typ.) × 23.1 mm (typ.) × 2.3 mm (typ.), tolerance: ± 0.
User Manual Bottom view □ Normal □ Internal Use Confidential □ Restricted Confidential 29 / 33
User Manual Pads location Pin1 location Figure 11.
User Manual 5.2. Labeling When the module is installed in the host device, the FCC ID label must be visible through a window on the final device or it must be visible when an access panel, door or cover is easily re-moved.
User Manual 6. Regulatory Compliance and Certification 6.1.
User Manual 7. Safety Recommendation Be sure the use of this product is allowed in the country and in the environment required.
