Wistron NeWeb M14A2A LTE Cat.1 LGA module User Manual 1
Wistron NeWeb Corporation LTE Cat.1 LGA module 1
Contents
- 1. User manual
- 2. User Manual
User manual
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| Document ID | 2974429 |
| Application ID | nMavlrzPJ3LyvG+V0W6sUQ== |
| Document Description | User manual |
| Short Term Confidential | No |
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| Document Type | User Manual |
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| Filesize | 78.96kB (987010 bits) |
| Date Submitted | 2016-04-28 00:00:00 |
| Date Available | 2016-10-25 00:00:00 |
| Creation Date | 2017-12-03 15:38:44 |
| Producing Software | GPL Ghostscript 9.18 |
| Document Lastmod | 2017-12-03 15:38:44 |
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| Document Creator | Microsoft® Office Word 2007 |
| Document Author: | USER |
M14A2A User Manual Project Name: M14A2A Author: Wistron NeWeb Corporation Revision: 1.0 Revision Date: 2016/04/06 □ Normal □ Internal Use Confidential □ Restricted Confidential 1 / 28 M14A2A User Manual Contact Information Sale and Technical Support SupportIoT.MBA@wnc.com.tw Website www.wnc.com.tw □ Normal □ Internal Use Confidential □ Restricted Confidential 2 / 28 M14A2A 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. NOTHING IN THIS DOCUMENT SHALL BE CONSTRUED AS GRANTING ANY WARRANTY OR RIGHT TO USE THE MATERIAL CONTAINED HEREIN WITHOUT WNC’S PRIOR EXPRESS WRITTEN CONSENT. WNC SHALL NOT BE LIABLE FOR ANY USE, APPLICATION OR DEVELOPMENT DERIVED FROM THE MATERIAL WITHOUT SUCH PRIOR EXPRESS WRITTEN CONSENT. Federal Communication Commission Interference 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. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measure s: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20 cm between the radiator & your body. □ Normal □ Internal Use Confidential □ Restricted Confidential 3 / 28 M14A2A User Manual 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 use rs, (2) The transmitter module may not be co-located with any other transmitter or antenna. (3) To comply with FCC regulations limiting both maximum RF output power and human exposure to RF radiation, the maximum antenna gain including cable loss in a mobile exposure condition must not exceed: Standalone Condition: 。 10.1 dBi in 700 MHz Band 。 6.5 dBi in 1700 MHz Band 。 9.5 dBi in 1900 MHz Band Assuming collocated with a WLAN transmitter with maximum 34 dBm average EIRP power 。 7.0 dBi in 700 MHz Band 。 6.5 dBi in 1700 MHz Band 。 9.5 dBi in 1900 MHz Band Remark: This assumption is not valid if the output power of the collocated WLAN transmitter is higher than 34 dBm. □ Normal □ Internal Use Confidential □ Restricted Confidential 4 / 28 M14A2A User Manual Contents Contact Information ........................................................................................................................... 2 Contents ............................................................................................................................................ 5 1. Introduction…………………………………………………………………………………………………………………………….…7 1.1. 2. Electrical Specifications .............................................................................................................. 8 2.1. 4. Interface pin assignments................................................................................................. 8 2.1.1. LGA Pad Diagram .................................................................................................. 8 2.1.2. Pin Assignments.................................................................................................... 9 2.2. Power supply ................................................................................................................. 10 2.3. USB interface ................................................................................................................. 10 2.4. SIM interface ................................................................................................................. 11 2.5. Control interface (signals)............................................................................................... 12 2.6. 3. Features........................................................................................................................... 7 2.5.1. Power-on Signal .................................................................................................. 12 2.5.2. Host-to-modem wake-up interface ...................................................................... 13 2.5.3. Reset Signal ........................................................................................................ 14 Digital interface.............................................................................................................. 15 2.6.1. PCM Interface ..................................................................................................... 15 2.6.2. I2S Interface ....................................................................................................... 15 2.6.3. I2C Interface ....................................................................................................... 16 2.6.4. UART Interface.................................................................................................... 16 2.7. ADC interface ................................................................................................................. 17 2.8. GPIO .............................................................................................................................. 17 RF Specifications ...................................................................................................................... 18 3.1. RF connections............................................................................................................... 18 3.2. Interference and sensitivity ............................................................................................ 18 3.3. Radiated sensitivity measurement .................................................................................. 19 3.4. Supported frequencies ................................................................................................... 19 Power ...................................................................................................................................... 20 4.1. Module power states ..................................................................................................... 20 5. Software Interface ................................................................................................................... 22 6. Mechanical and Environmental Specifications.......................................................................... 23 6.1. □ Normal PCBA form factor............................................................................................................ 23 □ Internal Use Confidential □ Restricted Confidential 5 / 28 M14A2A User Manual 7. 8. 9. 6.2. Labeling......................................................................................................................... 25 6.3. Thermal considerations .................................................................................................. 25 Regulatory and Industry Approvals .......................................................................................... 26 7.1. Certification testing........................................................................................................ 26 7.2. Safety and hazards ......................................................................................................... 26 References ............................................................................................................................... 27 8.1. Web site support............................................................................................................ 27 8.2. WNC documents ............................................................................................................ 27 Safety Recommendation .......................................................................................................... 28 □ Normal □ Internal Use Confidential □ Restricted Confidential 6 / 28 M14A2A User Manual 1. Introduction M14A2A is a Cat. 1 (10 Mbps/5 Mbps DL/UL respectively) 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 SDR-v3.0 (Software Defined Radio) architecture which offers OFDMA-related software based signal processing capabilities that significantly exceed traditional communications DSP cores, yet consumes a fraction of the power. The CPU su syste features a high perfor a e MIP“ Mi roAptiv™ pro essor running a Linux OS with a variety of host interfaces including USB 2.0, I2C, SPI, and UART. The module supports integrated VoLTE functionality with a variety of narrow and wide-band CODECs and full IMS signaling. 1.1. Features □ Normal 3GPP category support: LTE CAT-1 with 10/5 Mbps for DL/UL Embedded 512Mbit LPDDR Embedded 256Mbit SPI NOR Flash Ultra-high performance enhanced SDR processor Embedded network processor with Linux OS Integrated support for VoLTE including HD voice Integrated PMU circuitry Integrated RTC support I terfere e Ca ellatio INCA™ apa ility Optimized for the M2M and IoT markets Interfaces: – HS USB2.0 with integrated PHY – Dual UART interfaces (4 bit and 2 bit) for high-speed data transfer and diagnostic tools support – SPI master interface – Mobile LPDDR and PSRAM support – Serial NOR flash controller – USIM interface – I2S/PCM audio interface – GPIOs – One I2C interface □ Internal Use Confidential □ Restricted Confidential 7 / 28 M14A2A User Manual 2. Electrical Specifications 2.1. Interface pin assignments 2.1.1. LGA Pad Diagram Figure 1. LGA pad diagram (top view) □ Normal □ Internal Use Confidential □ Restricted Confidential 8 / 28 M14A2A User Manual 2.1.2. Pin Assignments I/O type description : AO : Analog Output AI : Analog Input DO : Digital Output DI : Digital Input Table 1. Pin Interface Family Interface Family Signal Name Description RF_1 Main Antenna RF Interfaces RF_2 Aux Antenna UIM_VCC UIM Power UIM_DATA UIM Data in/out User Identity Module UIM_CLK UIM Clock UIM_RESET UIM Reset UIM_DETECT UIM Detect USB_Dp USB Data Positive USB2.0 USB_Dn USB Data Negative UART1_CTS Clear To Send for UART 1 UART1_RTS Request To Send for UART 1 UART1 UART1_RX Receive for UART 1 UART1_TX Transmit for UART 1 UART2_RX Receive for UART2 Data Interfaces UART2 UART2_TX Transmit for UART2 I2C_SDA I2C Data I2C I2C_SCL I2C Clock SPIM_MOSI SPI Master Out Slave In SPIM_MISO SPI Master In Slave Out SPI SPIM_EN SPI master interface enable SPIM_CLK SPI master interface clock WWAN_STATE Wireless WAN Radio State POWER_ON Power On the module Module Control and State Interfaces WAKEUP_OUT Module wakes up host OR GPIO WAKEUP_IN Host wakes up module OR GPIO. RESET Reset the module VREF Reference Logic Voltage Power and GND VCC Main Power GND Ground GPIO General Purpose I/O General Purpose ADC Analog to Digital Convertor PCM_SYNC PCM_SYNC PCM_IN PCM_IN Audio PCM/I2S PCM_OUT PCM_OUT PCM_CLK PCM_CLK □ Normal □ Internal Use Confidential □ Restricted Confidential I/O AI/AO AI DO DI/DO DO DO DI/DO DI/DO DI/DO DI DO DI DO DI DO DI/DO DI/DO DO DI DO DO DI DO DI DI AI AI AO AI DI/DO AI DI /DO DI DO DO 9 / 28 M14A2A User Manual 2.2. Power supply M14A2A includes an integrated Power Manager enabling single and direct voltage supply from the battery and reducing the overall bill of materials. Table 2. Power supply specifications Power Signal Name Pin No. Description VCC VCC1 to VCC6 37–42 Main Power Supply Voltage Levels (V) Min. 3.3 Typ. 3.8 Max. 4.2 2.3. USB interface M14A2A complies with USB 2.0 high-speed protocol. The USB input/output lines comply with USB 2.0 specifications. Name D+ D– Table 3. Signals of the USB interface Input/Output Description (Direction to module) Input High USB data positive Input Low (low-/full-speed) Output High Output Low Input High Input Low USB data positive (high-speed) Output High Output Low Input High USB data negative Input Low (low-/full-speed) Output High Output Low Input High Input Low USB data negative (high-speed) Output High Output Low Voltage Levels (V) Min. Typ. Max. 3.3 3.6 – 0.8 2.8 3.3 3.6 – – 0.3 0.3 – 0.44 – 0.01 0.36 0.38 0.44 – 0.01 3.3 3.6 – 0.8 2.8 3.3 3.6 – – 0.3 0.3 – 0.44 – 0.01 0.36 0.38 0.44 – 0.01 Layout suggestion: Differential impedance: 90 Ω Space to other signals should be at least 20 mils Intra-pair length mismatch should be less than 150 mils USB Length in M14A2A is tuned as below: □ Normal □ Internal Use Confidential □ Restricted Confidential 10 / 28 M14A2A User Manual 2.4. SIM interface M14A2A includes an SC controller, interface pins, and a dedicated LDO (3.0 V or 1.8 V). Since M14A2A is not equipped with a SIM socket, it must place a SIM socket on the user interface board. M14A2A provides a UIM_DETECT input pin to detect if the SIM card is present. If the USIM card is present, UIM_DETECT should be high. (The voltage level should be 1.8 V) If the USIM card is absent, UIM_DETECT should be low. (The module is internally pulled down.) It was recommended to choose a SIM socket with the Card Detect pin. If the SIM card is preset, the pin will not contact the ground and pull up to 1.8 V through a 2 kΩ resistor. If the SIM card is absent, the pin will normally contact the ground. Other types of SIM sockets which can achieve this feature are also acceptable. A 100 nF capacitor and a 1 μF apa itor are placed between the UIM_VCC and Ground pins in a parallel manner. (If the UIM_VCC circuit is too long, a larger capacitor such as a 4.7 μF capacitor can be employed if necessary.) Four 33 pF capacitors (0402 package is recommended.) are placed between the UIM_VCC and Ground pins, the UIM_CLK and Ground pins, the UIM_DATA and Ground pins, and the UIM_RESET and Ground pins in parallel to filter out interference from RF signals. (An R/C circuit on pin UIM_CLK is optional. If there is an EMI issue on this clock signal, try to adjust these R/C values.) We recommend taking protective measures against electrostatic discharge (ESD) near the SIM socket. The TVS diode with a V RWM of 5 V and junction capacitance of less than 10 pF must be placed as close as possible to the SIM socket, and the Ground pin of the ESD protection component must be well connected to the power Ground pin that supplies power to M14A2A. Figure 2. SIM card interface circuit □ Normal □ Internal Use Confidential □ Restricted Confidential 11 / 28 M14A2A User Manual 2.5. Control interface (signals) This section describes the host-to-modem wake-up interface and power-on signal to enable or disable the control module. 2.5.1. Power-on Signal The POWER_ON pad is an input signal used to control whether the module is in the Module Enabled or Module Disabled state. Do not toggle the PERST# pin during power-on. This signal has the highest priority over the wakeup, the alarms signals, and the digital control pins. The POWER_ON signal is Active Low (VIL for VREF), its voltage level is 1.8V if going to High for Module Disabled: POWER_ON is High: Module is OFF POWER_ON is Low: Module is ON There are three possible states of the module: Module Off - VCC is not present. Module Enabled - VCC is supplied, and the module is enabled. Module Disabled - VCC is supplied, and the module is disabled. The state transitions are defined as follows: When voltage is applied to VCC, the module shall enter the Module Disabled state. An input to the POWER_ON pad shall trigger the transition from the Module Disabled to the Module Enabled state. An input to the POWER_ON pad shall trigger the transition from the Module Enabled to the Module Disabled state. Figure 3. Power ON/OFF timming In order to prevent the POWER_ON signal in a floating state, it was recommended to pull LOW for Module Enabled, or pull HIGH to VREF for Module Disabled. □ Normal □ Internal Use Confidential □ Restricted Confidential 12 / 28 M14A2A User Manual 2.5.2. Host-to-modem wake-up interface In applications where the device power consumption is a major target of optimization such as battery-operated sensors that are based on IOT/M2M modem solution and in addition, include a third-party host, it is necessary to define a simple interface that will allow both the modem and the host to be able to enter low power states whenever possible while allowing the other side to wake it up when required. For example, if the host has no data to transmit or any other tasks, it may wish to enter some low power state according to its own capabilities and configurations. If during the time the host is in a low power state and the modem suddenly receives data, it must wake-up the host. A similar requirement exists from the other side. If, for example, the modem is in a low power state and suddenly the host must transmit data, it must to be able to wake-up the modem. Each side has notification functionality when they are up and ready to follow a wake-up request. The idea behind the suggested method is to have a very simple interface that will also be pin-limited (requires only two pins) to fit into such limited-pin-count applications and packages. The interface consists of two lines: one is driven by the host and received by the modem, and the other is driven by the modem and received by the host. Each side can wake the other side by toggling it high and allowing the other side to go to sleep when not needed by toggling it low. Toggling the signal high does not necessary mean the other side will enter the low power state; the toggling function is only intended to notify the other side that its functions will not be required in the near term and that it is allowed to enter a low power state if he can (according to its own tasks, configurations, and capabilities). The following diagram depicts how this simple interface works. In addition to the two hardware signals, additional higher-level messages may be defined to pass further information or details between the host and the modem if required. If the Powe states of Deep “leep a d Light Hibe atio featu e a e e ui ed, it was eco e ded to connect WAKEUP_IN and WAKEUP_OUT signal to Host. This design can make sure M14A2A can be waked up by Host. □ Normal □ Internal Use Confidential □ Restricted Confidential 13 / 28 M14A2A User Manual Host wakes modem. Host allows modem to go to sleep, but modem still needs SoC. Modem ready Modem wakes host. Modem also allows host to go to sleep. Modem allows host to go to sleep, but host still needs modem. Host ready Host and modem allow each other to go to sleep. MODEM_WAKEUP HOST_WAKEUP Modem Host and modem Host and modem wakeup communicating may go to sleep SoC wakeup SoC and modem communicating Figure 4. Host-modem mutual wake-up interface MODEM_WAKEUP Host: Output, Modem: Input): LOW: SoC does not need the MODEM (allowing it to sleep). HIGH: SoC needs the MODEM or acknowledges it is ready following a wakeup request from the MODEM. HO“T_WAKEUP Host: I put, Mode : Output : LOW: MODEM does not need the Host (allowing it to sleep). HIGH: MODEM needs the Host or acknowledges it is ready following a wakeup request from the SoC. 2.5.3. Reset Signal The Reset Signal is a hardware reset signal to control the system reset directly. You can connect it to a key or a control signal. It was recommended to reserve a pull up resistor and a capacitor to ground. Default is not installed. It is required that the Reset Signal is kept LOW for at least 100 ms after a command to reset the module has been issued to ensure that there is time for the module reset properly. □ Normal □ Internal Use Confidential □ Restricted Confidential 14 / 28 M14A2A User Manual Figure 5. Reset Signals circuit 2.6. Digital interface This section provides the required AC timing information relating to Module Digital Interfaces. 2.6.1. PCM Interface M14A2A provides o e PCM digital audio i terfa e The PCM interface enables communication with an external codec to support a linear format. Figure 6. Recommended circuit for the PCM interface Use a TVS on the related interface to prevent electrostatic discharge and protect integrated -circuit (IC) components. 2.6.2. I2S Interface PCM and I2S share the same pins on M14A2A, the PCM signal pins can be configured as an I2S interface. Pad Config1 Config2 46 PCM_SYNC I2S_LRCK 47 PCM_DIN I2S_DATA_IN □ Normal □ Internal Use Confidential □ Restricted Confidential 15 / 28 M14A2A User Manual 48 PCM_DOUT I2S_DATA_OUT 49 PCM_CLK I2S_BCK Figure 7. Recommended circuit for the I2S interface 2.6.3. I2C Interface There is one I2C interface in M14A2A. It was recommended to add pull high to 1.8 V through resistors with values of 2.2 kΩ to 4.7 kΩ. ICs and sensors can use the same I2C interface. M14A2A can recognize them by different addresses. Figure 8. Recommended circuit for the I2C interface 2.6.4. UART Interface There are dual UART interfaces. One is 4 bit for high-speed data transfer, and the other is 2 bit for diagnostic tools and debugging. □ Normal □ Internal Use Confidential □ Restricted Confidential 16 / 28 M14A2A User Manual 2.7. ADC interface One Analog to Digital Converter (ADC) input is provided by M14A2A. The converter is of a 10 bit resolution, ranging from 0 V to 1.95 V with a sampling rate of 2 MHz. They can be used for customer applications. Signal Name Pads Table 4. ADC interface Type Description ADC 122 Analog Analog to digital conversion input 2.8. GPIO M14A2A includes general purpose I/O signals that are summarized in the following table. These GPIOs are available for customer-defined purposes such as control, signaling, and monitoring. Some GPIO signals also can be configured as PCM signals for audio applications. Table 5. GPIOs Signal Name GPIO01 GPIO02 GPIO03 GPIO04 GPIO05 GPIO06 GPIO07 GPIO08 GPIO46 GPIO47 GPIO48 GPIO49 GPIO87 GPIO93 GPIO94 GPIO95 GPIO96 GPIO97 □ Normal Pads 52 53 54 55 129 130 131 132 46 47 48 49 87 93 94 95 96 97 Description Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O Configurable general purpose I/O □ Internal Use Confidential □ Restricted Confidential Alt. Function PCM_SYNC PCM_IN PCM_OUT PCM_CLK 17 / 28 M14A2A User Manual 3. RF Specifications 3.1. RF connections M14A2A provides two RF pads; developers can connect them via 50 Ω traces to the main board. TRX pads – RX/TX path DRX pads – Diversity path It is recommended to have keep-out under the two RF pads. 3.2. Interference and sensitivity This section is to help developers to identify the interference that may affect M14A2A when adopting it in systems. Interference from other wireless devices Harmonics or inter-modulated signals generated from wireless devices that fall in RX ranges of M14A2A may result in degraded RX performance. It is highly recommended to check the RX performance of the entire systems in the shielding environment. Interference from the host interface High-speed switching signal elements in the system can easily couple noise to the module (Ex.: DDR memory, LCD modules, DC-DC converter). Methods to avoid sources of interference Antenna location is important; it is recommended that the antenna away from high-speed switching signals. Tracing from the module to the antenna is recommended to be as short as possible and must be shielded by complete grounding. However, M14A2A is well-shielded. The high-speed elements in the system are recommend to be reserved for shielding during an early stage of a proje t’s develop e t. □ Normal □ Internal Use Confidential □ Restricted Confidential 18 / 28 M14A2A User Manual 3.3. Radiated sensitivity measurement Over-the-air testing can demonstrate the TRX ability of the whole system. Keys elements that affect the measurement are: Module ability (refer Specification) Antenna Gain System noise source The OTA performance should be performed in an OTA chamber. 3.4. Supported frequencies Table 6. M14A2A supported frequencies Uplink (MHz) Downlink (MHz) Band LTE Band 2 1,850–1,910 1,930–1,990 LTE Band 4 1,710–1,755 2,110–2,155 LTE Band 12 699–716 729–746 Table 7. Bandwidth Band 1.4 MHz 3 MHz LTE Band 2 LTE Band 4 LTE Band 12 5 MHz 10 MHz 15 MHz 20 MHz Table 8. Conducted Tx power Band Items Parameter Unit Min. Typ. Max. LTE Band 2 LTE Band 4 LTE Band 12 Max TX Power Max TX Power Max TX Power 10 MHz 12RBs/QPSK 10 MHz 12RBs/QPSK 10 MHz 12RBs/QPSK dBm dBm dBm 21.5 21.5 21.5 22.5 22.5 22.5 23.5 23.5 23.5 Band Items Table 9. Conducted Rx sensitivity Parameter Unit Min. Typ. Max. LTE Band 2 Receive Sensitivity 10 MHz with 50 RBs dBm –96.3 –94.3 LTE Band 4 LTE Band 12 Receive Sensitivity Receive Sensitivity 10 MHz with 50 RBs 10 MHz with 50 RBs dBm dBm –98.3 –95.3 –96.3 –93.3 □ Normal □ Internal Use Confidential □ Restricted Confidential 19 / 28 M14A2A User Manual 4. Power 4.1. Module power states In the operational modes, the system can be configured to use the different power states . The system state is selected according to the permissions, required activity, and the available expected time until the next power state. This method allows the power management to be very dynamic and flexible and to be tuned according to the needs of each product/application and according to specific conditions. The following table shows several main system operational modes and the different system power states used in each mode. If the Power states of Deep Sleep and Light Hibernation feature are required, it was recommended to connect WAKEUP_IN and WAKEUP_OUT signal to Host. This design can make sure M14A2A can be waked up by Host. System Operational Mode Table 10. System operational modes System Power State Description Active Idle Registered (short paging interval) Active The modem is currently listening to the channel, decoding paging message etc The modem is in deep sleep; modem state info is fully retained on the baseband side. Wake up Active The modem is listening for paging. Active Deep sleep Idle Registered (short paging interval) Wake up Light Hibernation Active Active Idle Registered (long paging cycle) or PSM Off The modem state is retained in the DDR and reconstructed when returning to active. Wake up The modem is currently listening to the channel, decoding paging message etc. The modem stores its state info on the host, flash memory, or other non-volatile memory. The modem internal memory and DDR data are not stored and are completely shut down. All different active modes Connected Active Connected long-DRX Deep sleep Connected short-DRX Light sleep Detached Active The modem performs scanning for networks. Shutdown Off The modem is shut down. □ Normal □ Internal Use Confidential □ Restricted Confidential 20 / 28 M14A2A User Manual LTE Working Mode Table 11. Power Consumption result(TBD) Conditions Result Airplane mode Only Module, no other device 977.099uA Band2 –LTE Standby mode, DRX = 1.28 sec 2.182mA Band4 –LTE Standby mode, DRX = 1.28 sec 1.945mA Band12 –LTE Standby mode, DRX = 1.28 sec 2.147mA LTE standby (1.28 sec) Band2 Working mode Band4 Working mode Band12 Working mode Powering on Band2 – Bandwidth 10MHz, TM3 –DLRB 100 – ULRB 100 – IPV4-TCP , TX Power=23dbm Cat. 1, Downlink throughput is 10Mbps via USB interface by Iperf tool Band4 – Bandwidth 10MHz, TM3 –DLRB 100 – ULRB 100 – IPV4-TCP , TX Power=23dbm Cat. 1, Downlink throughput is 10Mbps via USB interface by Iperf tool Band12 – Bandwidth 10MHz, TM3 –DLRB 100 – ULRB 100 – IPV4-TCP , TX Power=23dbm Cat. 1, Downlink throughput is 10Mbps via USB interface by Iperf tool Conditions 763mA (22.5dBm/9.44Mbps) 796mA (22.3dBm/9.44Mbps) 747mA (21.6dBm/9.44Mbps) Result Power consumption peak when the module is 375mA powering up Note : The power consumption is still under optimized and the result will update in the future. Peak power consumption □ Normal □ Internal Use Confidential □ Restricted Confidential 21 / 28 M14A2A User Manual 5. Software Interface M14A2A can be configured with several types of configurations for different external host processors which require data communication to the Internet. The basic concept is that the module provides proper interfaces for its control and for the data traffic, which supports as many external host processors as possible with different capabilities for network connection. Please refer to the WNC M 8Q M 4A A “W Developer Guide for further detail. □ Normal □ Internal Use Confidential □ Restricted Confidential 22 / 28 M14A2A User Manual 6. Mechanical and Environmental Specifications 6.1. PCBA form factor Dimensions and recommended PCB Layout footprint for M14A2A. Figure 9. PCBA dimensions □ Normal □ Internal Use Confidential □ Restricted Confidential 23 / 28 M14A2A User Manual Figure 10. □ Normal Recommended PCB layout footprint (top view) □ Internal Use Confidential □ Restricted Confidential 24 / 28 M14A2A User Manual 6.2. 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. If not, a second label must be placed on the outside of the final device that contains the following text: Co tai s FCC ID:NKRM14A2A The grantee's FCC ID can be used only when all FCC compliance requirements are met 6.3. Thermal considerations Ambient operating temperature: –30 °C to +75 °C Ambient storage temperature: –40 °C to +85 °C The case temperature of module shielding cover must be < 85 °C when integrated to prevent damage. Design points used to improve the thermal performance: It is better to add a naked copper area onto M14A2A’s back side of the PCB. If the thermal performance becomes a issue in the customer’s product, add thermal solutions for improvement such as thermal padding or a heat sink. It’s recommended to have a thermal pad or a heat sink on shielding cover to help transfer heat. □ Normal □ Internal Use Confidential □ Restricted Confidential 25 / 28 M14A2A User Manual 7. Regulatory and Industry Approvals 7.1. Certification testing PTCRB, FCC and AT&T TA 7.2. Safety and hazards Be sure the use of this product is allowed in the country and in the environment required. The use of this product may be dangerous and must be avoided in the following areas: Where it can interfere with other electronic devices in environments such as hospitals, airports, and aircraft Where there is a risk of explosion such as gasoline stations and oil refineries It is the responsibility of the user to comply with his or her country’s regulations and the specific environmental regulations. Do not disassemble the product; any mark of tampering will compromise the warranty’s validity. We recommend following the instructions of the hardware user guides for a correct wiring of the product. The product must be supplied with a stabilized voltage source, and the wiring must conform to the security and fire-prevention regulations. This product must be handled with care; avoid any contact with the pins because electrostatic discharge may damage the product. Same caution must be taken regarding the SIM card; carefully check the instructions for its use. Do not insert or remove the SIM when the product is in power-saving mode. The system integrator is responsible of the functioning of the final product; therefore, care must be taken for the external components of the module as well as for project or installation issues—there may be a risk of disturbing the GSM network or external devices or of having an impact on device security. If you have any doubts, please refer to the technical documentation and the relevant regulations in force. Every module must be equipped with a proper antenna with specific characteristics. The antenna must be installed with care in order to avoid any interference with other electronic devices . □ Normal □ Internal Use Confidential □ Restricted Confidential 26 / 28 M14A2A User Manual 8. References 8.1. Web site support To be updated 8.2. WNC documents To be updated sss □ Normal □ Internal Use Confidential □ Restricted Confidential 27 / 28 M14A2A User Manual 9. Safety Recommendation Be sure the use of this product is allowed in the country and in the environment required. The use of this product may be dangerous and must be avoided in the following areas: Where it can interfere with other electronic devices in environments such as hospitals, airports, and aircraft Where there is a risk of explosion such as gasoline stations and oil refineries It is the responsibility of the user to comply with the his or her country’s regulations and the specific environmental regulations. Do not disassemble the product; any mark of tampering will compromise the warranty’s validity. We recommend following the instructions of the hardware user guides for a correct wiring of the product. The product must be supplied with a stabilized voltage source, and the wiring must conform to the security and fire-prevention regulations. This product must be handled with care; avoid any contact with the pins because electrostatic discharge may damage the product. Same caution must be taken regarding the SIM card; carefully check the instructions for its use. Do not insert or remove the SIM when the product is in power-saving mode. The system integrator is responsible of the functioning of the final product; therefore, care must be taken for the external components of the module as well as for project or installation issues—there may be a risk of disturbing the GSM network or external devices or of having an impact on device security. If you have any doubts, please refer to the technical documentation and the relevant regulations in force. Every module must be equipped with a proper antenna with specific characteristics. The antenna must be installed with care in order to avoid any interference with other electronic devices . □ Normal □ Internal Use Confidential □ Restricted Confidential 28 / 28
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