Telit Wireless Solutions GS2101M User Manual
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Telit Wireless Solutions GS2101M User Manual

Telit Wireless Solutions GS2101M User Manual

Low power wi-fi module
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GS2101M Low Power Wi-Fi Module
HW User Guide
1VV0301395 Rev 3.0 – 2017-11-13

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Summary of Contents for Telit Wireless Solutions GS2101M

  • Page 1 GS2101M Low Power Wi-Fi Module HW User Guide 1VV0301395 Rev 3.0 – 2017-11-13...

  • Page 2: Notices

    GS2101M Low Power Wi-Fi Module Hardware User Guide TELIT MAY MAKE CHANGES TO SPECIFICATIONS AND PRODUCT DESCRIPTIONS AT ANY TIME, WITHOUT NOTICE. NOTICES LIMITATION OF LIABILITY While reasonable efforts have been made to assure the accuracy of this document, Telit assumes no liability resulting from any inaccuracies or omissions in this document, or from use of the information obtained herein.

  • Page 3: Usage And Disclosure Restrictions

    GS2101M Low Power Wi-Fi Module Hardware User Guide USAGE AND DISCLOSURE RESTRICTIONS License Agreements The software described in this document is the property of Telit and its licensors. It is furnished by express license agreement only and may be used only in accordance with the terms of such an agreement.

  • Page 4: Table Of Contents

    GS2101M Low Power Wi-Fi Module Hardware User Guide CONTENTS NOTICES… ...................... 2 LIMITATION OF LIABILITY ................2 COPYRIGHT ..................... 2 USAGE AND DISCLOSURE RESTRICTIONS ..........3 CONTENTS ...................... 4 About This Manual .................... 8 GS2101M OVERVIEW ..............17 Product Overview ................. 17 GS2101M Module Product Features ..........
  • Page 5 GS2101M Low Power Wi-Fi Module Hardware User Guide 2.1.7.3. UART Interface ................27 2.1.7.4. I2C Interface ................. 27 2.1.7.5. GPIO .................... 28 2.1.7.6. Sigma Delta ADC ................28 2.1.7.7. PWM ..................... 28 2.1.8. System States ................28 2.1.9. Power Supply ................30 PIN-OUT AND SIGNAL DESCRIPTION ........
  • Page 6 GS2101M Low Power Wi-Fi Module Hardware User Guide FIGURE LIST Fig. 1 GS2101M Block Diagram ..................21 Fig. 2 GS2101Mxx Always ON Power Supply Connection ..........30 Fig. 3 GS2101Mxx Device Pin-out Diagram (Module Top View) ........31 Fig. 4 GS2101MIx Module Recommended PCB Footprint (in millimeters) ..... 46 Fig.
  • Page 7 Tab. 5 GS2101Mxx Module Pin Signal Description ............32 Tab. 6 GS2101M Pin MUX Description ................36 Tab. 7 GS2101M Pin Program and Code Restore ............38 Tab. 8 Absolute Maximum Ratings ................. 39 Tab. 9 Operating Conditions ................... 39 Tab.

  • Page 8: About This Manual

    Guidelines for Packing Components for Shipment • Accessing the Telit GainSpan Portal • Ordering Information Revision History This version of the Telit GS2101M Low Power Wi-Fi Module contains the following new information listed. Version Date Remarks May 2016 Initial release.
  • Page 9 GS2101M Low Power Wi-Fi Module Hardware User Guide Certifications GainSpan GS2101M Low Power Wi-Fi Module has Certification Compliance for the following: Category Certification Radio Regulatory Certificates FCC, IC, CE, TELEC. WPS 2.0, WMM, WMM-PS, WPA and WPA2 Wi-Fi Alliance Certificates Enterprise, WPA and WPA2 Personal.
  • Page 10 GS2101M Low Power Wi-Fi Module Hardware User Guide [parm1 l parm2 l parm 3] Used with the square brackets to limit the immediately following token to Question mark one occurrence. <ESC> Each escape sequence <ESC> starts with the ASCII character 27(0x1B).

  • Page 11: Tab. 2 Document Conventions

    GS2101M Low Power Wi-Fi Module Hardware User Guide Line End -to-line input Indicates user input of any string, including spaces. No other parameters may be entered after input for this token. token WORD string of words Single token Indicates user input of any contagious string (excluding spaces).

  • Page 12: Text Conventions

    GS2101M Low Power Wi-Fi Module Hardware User Guide Text Conventions Tip or Information – Provides advice and suggestions that may be useful when integrating the module. This information MUST be followed or catastrophic equipment failure or bodily injury may occur.

  • Page 13: Tab. 3 Documentation Lists

    GS2101M Low Power Wi-Fi Module Hardware User Guide Related Documents The Telit documentation suite listed below, includes the part number, documentation name, and a description of the document. The documents are available from the Telit GainSpan Portal. Refer to Accessing the Telit GainSpan Portal, page 15 for details.
  • Page 14 GS2101M Low Power Wi-Fi Module Hardware User Guide Documentation Feedback We encourage you to provide feedback, comments, and suggestions so that we can improve the documentation. You can send your comments by logging into Telit Support Portal. If you are using e-mail, be sure to include the following information with your comments: –...
  • Page 15 GS2101M Low Power Wi-Fi Module Hardware User Guide Returning Products to Telit If a problem cannot be resolved by Telit technical support, a Return Material Authorization (RMA) is issued. This number is used to track the returned material at the factory and to return repaired or new components to the customer as needed.

  • Page 16: Tab. 4 Gs2101Mxx Ordering Information

    GS2101M Low Power Wi-Fi Module Hardware User Guide 1. Visit http://www.telit.com. and select “GainSpan Modules” which will direct to the GainSpan portal http://www.gainspan.com. 2. Log in using your customer Email and Password. 3. Click the Getting Started tab to view a Quick Start tutorial on how to use various features within the Telit GainSpan Portal.

  • Page 17: Gs2101M Overview

    GS2101M Module Product Features Product Overview The GS2101M based modules provide cost effective, low power, and flexible platform to add Wi-Fi® connectivity for embedded devices for a variety of applications, such as wireless sensors and thermostats. It uses the GS2000 SoC, which combines ARM®...
  • Page 18 GS2101M Low Power Wi-Fi Module Hardware User Guide – Implements networking protocol stacks and user application software – 384 KB dedicated SRAM – 512 KB dedicated ROM • 64KB shared dual ported SRAM for inter-processor communications • 320KB assignable (under SW control) SRAM •...
  • Page 19 GS2101M Low Power Wi-Fi Module Hardware User Guide • Embedded RTC (Real Time Clock) can run directly from battery • Power supply monitoring capability • Low-power mode operations: • Standby, Sleep, and Deep Sleep • FCC/IC/ETSI/TELEC/Wi-Fi Certification 1VV0301395 Rev 3.0...

  • Page 20: Gs2101M Architecture

    GS2101M Low Power Wi-Fi Module Hardware User Guide GS2101M ARCHITECTURE This chapter describes the Telit GS2101M Low Power module architecture. ® • Architecture Description Architecture Description The Telit GS2101M module (see Fig. 1, page 21) is based on a highly integrated GS2000 ultra low power Wi-Fi System-on-Chip (SoC) that contains the following: •...

  • Page 21: Fig. 1 Gs2101M Block Diagram

    GS2101M Low Power Wi-Fi Module Hardware User Guide Fig. 1 GS2101M Block Diagram 1VV0301395 Rev 3.0 Page 21 of 53 2017-11-13...

  • Page 22: Wireless Lan And System Control Subsystem

    App subsystem through a set of mailboxes and shared dual–port memories. The CPUs provide debug access through a JTAG/serial port. For GS2101M module, the complete JTAG port is brought out for both CPUs. The CPUs also include code and data trace and watch point logic to assist in-system debugging of SW.

  • Page 23: 802.11 Phy

    GS2101M Low Power Wi-Fi Module Hardware User Guide 2.1.2.2. 802.11 PHY The 802.11 PHY implements all the standard required functionality and Telit specific functionality for 802.11b/g/n protocols. It also implements the Radar detection functionality to support 802.11h. The PHY implements the complete baseband Tx and Rx pipeline.

  • Page 24: Network Services Subsystem

    GS2101M Low Power Wi-Fi Module Hardware User Guide 2.1.3. Network Services Subsystem 2.1.3.1. APP CPU The Network services subsystem consists of an APP CPU which is based on an ARM CORTEX M3 core. It incorporates an AHB interface and a JTAG debug interface. The network RTOS, network stack, and customer application code run on this CPU.

  • Page 25: Flash Interface

    Flash memory on the SoC. Any ROM patch code and new application code must reside in the on-module Flash device of the GS2101M module. Flash access from the two CPUs are independent. The APP CPU is considered the system Master and the code running on this CPU is required to initialize the overall chip and common interfaces.

  • Page 26: Real Time Clock Counter

    GS2101M Low Power Wi-Fi Module Hardware User Guide The RTC contains a low-power 32.768KHz RC oscillator which provides fast startup at first application of RTC power. It also supports an optional 32.768KHz crystal oscillator which can be substituted for the RC oscillator under software control. In normal operation, the RTC is always powered up.

  • Page 27: Spi Interface

    GS2101M Low Power Wi-Fi Module Hardware User Guide NOTICE: Tested with current test platform up to 33 MHz. • All SD bus modes supported including SPI, 1 and 4-bit SD. • Allows card to interrupt host in SPI, 1 and 4 bit SD modes.

  • Page 28: Gpio

    Power OFF: No power source connected to the system. Standby: In the standby state, the GS2101M is in its lowest power state. In this state power is on to the VRTC and VIN_3V3 input. The RTC portion of the GS2000 chip is powered from the VRTC pin.
  • Page 29 GS2101M Low Power Wi-Fi Module Hardware User Guide NOTICE : During first battery plug-in, i.e., when power is applied the first time to the RTC power rail (VRTC), the power detection circuit in the RTC also causes a wakeup request.

  • Page 30: Power Supply

    GS2101M Low Power Wi-Fi Module Hardware User Guide 2.1.9. Power Supply This section shows various application power supply connections. Following figure shows the GS2101Mxx power supply connection Fig. 2 GS2101Mxx Always ON Power Supply Connection Note: Always ON connection connects VRTC and VIN_3V3 together to a 3.3V power supply.

  • Page 31: Pin-Out And Signal Description

    GS2101M Low Power Wi-Fi Module Hardware User Guide PIN-OUT AND SIGNAL DESCRIPTION This chapter describes the Telit GS2101M Low Power module architecture. ® • GS2101Mxx Device Pin-out GS2101Mxx Device Pin-out Following figure shows the GS2101Mxx device pin-out diagram Fig. 3 GS2101Mxx Device Pin-out Diagram (Module Top View) 1VV0301395 Rev 3.0...

  • Page 32: Gs2101Mxx Module Pins Description

    GS2101M Low Power Wi-Fi Module Hardware User Guide 3.1.1. GS2101Mxx Module Pins Description Pins Name Voltage Internal Bias Drive Signal State Description Domain after Strength Hardware (mA) Reset Not Applicable Analog port Ground Sigma Delta ADC differential ADC_SD_0p VIN_3V3 Not Applicable...
  • Page 33 GS2101M Low Power Wi-Fi Module Hardware User Guide Pins Name Voltage Internal Bias Drive Signal State Description Domain after Strength Hardware (mA) Reset VIN_3V3 Pull-down Digital GPIO/Pulse GPIO10/PWM0 Input/Output Width (see Modulator 0 Note 3) Digital GPIO/Inter- GPIO9/I2C_CLK VIN_3V3 Pull-down...
  • Page 34 GS2101M Low Power Wi-Fi Module Hardware User Guide Pins Name Voltage Internal Bias Drive Signal State Description Domain after Strength Hardware (mA) Reset Not Applicable Not Connected Not Applicable Analog Port Ground VIN_3V3 Pull-down Digital GPIO1/UART0_T GPIO/UART0 Input/Output Transmitter (see Note 3) Output.
  • Page 35 4. This pin enables programming of the module. If GPIO31/PWM2 is high during reset or power on, then the GS2101M will wait for Flash download via UART0 or SPI0 interface. Route this pin on the base board so it can be pulled up to VIN_3V3 for programming the module.

  • Page 36: Gs2101M Pin Mux Function

    3.1.2. GS2101M Pin MUX Function The GS2101M pins have multiple functions that can be selected using MUX function by software. The table below shows the various MUX functions for each pin. Each pin can be independently configured. Table below shows the various mux functions for each pin. All I/O pins are GPIO inputs at reset.
  • Page 37 GS2101M Low Power Wi-Fi Module Hardware User Guide Pin# Pin Name Internal Mux3 Mux4 Mux5 Mux7 Comments Pull Resistor gpio36/sdio_dat0_d sdio_data0 reserved i2c_data spi0_dout gpio37/sdio_dat1_int d sdio_data1 wuart_rx uart1_rx spi0_cs_n_10 spi1_dout gpio1/uart0_tx uart0_tx wuart_tx pwm1 gpio25/uart0_rts uart0_rts wuart_rts spi1_cs_n_7 spi1_clk...

  • Page 38: Gs2101M Program And Code Restore Options

    The code for the GS2101M resides on the internal flash of the module and up to two back-up copies could be stored in flash. If a software designer wants to restore the execution code to one of the backup copy, it can be accomplished by asserting the appropriate GPIO pins as shown in the table below during power up or reset.

  • Page 39: Electrical Characteristics

    GS2101M Low Power Wi-Fi Module Hardware User Guide ELECTRICAL CHARACTERISTICS This chapter describes the Telit GS2101M electrical characteristics. ® • Absolute Maximum Ratings • Operating Conditions • I/O DC Specifications • Power Consumption • 802.11 Radio Parameters • Sigma Delta ADC Parameters...

  • Page 40: I/O Dc Specifications

    GS2101M Low Power Wi-Fi Module Hardware User Guide Notes: 1. Reference domain voltage is the Voltage Domain per section GS2101Mxx Module Pins Description. 2. The VPP pin should be left floating when not doing OTP programming operations. 3. The VRTC power MUST be the same as the VIN_3V3 power.

  • Page 41: Rtc I/O Specifications

    GS2101M Low Power Wi-Fi Module Hardware User Guide 4.3.2. RTC I/O Specifications Following table lists the RTC I/O parameters. Parameter Symbol Minimum Typical Maximum Unit Note Supply VRTC Voltage Input -.03 0.3*V Voltage Input 0.7*V VRTC+0.3 High Voltage Input μA...

  • Page 42: Power Consumption

    3. Average current. PS-POLL currents given for both 1mS beacon duration and 2mS beacon. DTIM1, DTIM3, and DTIM10 use deep sleep between beacons. 4. Software currently does not support Standby mode for GS2101M. 1VV0301395 Rev 3.0 Page 42 of 53...

  • Page 43: 802.11 Radio Parameters

    GS2101M Low Power Wi-Fi Module Hardware User Guide 802.11 Radio Parameters Following table lists the 802.11 Radio parameters. Test conditions are: VIN_3V3=VRTC=3.3V Temp=25 Parameter Minimum Typical Maximum Unit Notes RF Frequency Range 2400 2497 Radio bit rate Mbps N/A Transmit/Receive Specification for GS2101M 11b, 1Mbps 11b,5.5Mbps...

  • Page 44: Sigma Delta Adc Parameters

    GS2101M Low Power Wi-Fi Module Hardware User Guide Sigma Delta ADC Parameters Following table lists the Sigma Delta ADC parameters. Test conditions are: VIN_3V3=VRTC=3.3V Temp=25 Parameter Minimum Typical Maximum Unit Notes D/A DC Performance (see Note 1) Resolution Bits Full Scale...
  • Page 45 GS2101M Low Power Wi-Fi Module Hardware User Guide Notes: 1. The D/A output is fully differential. The Analog power supply is 3.3V +/- 10%. 2. Full scale (FS) can be trimmed in the reference generator. The gain error specified is on top of the reference level error.

  • Page 46: Package And Layout Guidelines

    GS2101M Low Power Wi-Fi Module Hardware User Guide PACKAGE AND LAYOUT GUIDELINES This chapter describes the Telit GS2101M package and layout guidelines. ® • GS2101Mxx Recommended PCB Footprint and Dimensions GS2101Mxx Recommended PCB Footprint and Dimensions Fig. page 46 shows the GS2101MIx Module PCB Footprint.

  • Page 47: Fig. 5 Gs2101Mix Module Dimensions (In Millimeters)

    GS2101M Low Power Wi-Fi Module Hardware User Guide Fig. 5 GS2101MIx Module Dimensions (in millimeters) Notes: 1. All Dimensions are in millimeters (mm). 2. For Boards using PCB Antenna, we recommend: – Have Only Air on BOTH sides of the antenna.
  • Page 48 GS2101M Low Power Wi-Fi Module Hardware User Guide – Using at least 3 vias when either power or GND change layers. This applies particularly at the module GND pins and at the VIN_3V3 pins. – Providing a 10 µF capacitor at the VIN_3V3 pin and using 3 vias both sides of the capacitor.

  • Page 49: Surface Mount Assembly

    GS2101M Low Power Wi-Fi Module Hardware User Guide 5.1.1. Surface Mount Assembly The following figure shows the reflow profile. The recommended reflow parameters are summarized in the following table. Fig. 6 Reflow Temperature Profile Preheat Temperature Ramp up rate for (A) 1.5~3.5...
  • Page 50 GS2101M Low Power Wi-Fi Module Hardware User Guide 4. Pay close attention to “Melting Time over 220ºC”. Sufficient time is necessary to completely melt all solder. 5. Be careful about the rapid temperature rise in the preheat zone as it may cause excessive slumping of the solder paste.

  • Page 51: Fig. 7 Thermocouple Locations

    GS2101M Low Power Wi-Fi Module Hardware User Guide Fig. 7 Thermocouple Locations 1VV0301395 Rev 3.0 Page 51 of 53 2017-11-13...

  • Page 52: Fig. 8 Module Moisture Conditions

    GS2101M Low Power Wi-Fi Module Hardware User Guide Fig. 8 Module Moisture Conditions 1VV0301395 Rev 3.0 Page 52 of 53 2017-11-13...

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