GS2100M Low Power WiFi Module Data Sheet GS2100M-DS-001212 y r l a a n i i nt m i e l XYZ Printing 20140722 d e i r f P on C GainSpan® 802.11b/g/n Low Power WiFi® Series Modules Release 0.8, 06/25/2014 Copyright © 2014 GainSpan. All rights reserved.
FCC Communications Commission (FCC) Interference Statement 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 frequency energy and, if not installed and used in accordance with the instructions may cause harmful interference to radio communications.
IC Certification - Canada The labeling requirements for Industry Canada are similar to those of the FCC. A visible label on the outside of the final product must display the IC labeling. The user is responsible for the end product to comply with IC ICES-003 (Unintentional radiators). English This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: 1. This device may not cause harmful interference 2.
Copyright Statement This GainSpan manual is owned by GainSpan or its licensors and protected by U.S. and international copyright laws, conventions, and treaties. Your right to use this manual is subject to limitations and restrictions imposed by applicable licenses and copyright laws. Unauthorized reproduction, modification, distribution, display or other use of this manual may result in criminal and civil penalties.
Table of Contents Chapter 1 GS2100M Overview ........................................................................................................ 17 1.1 Product Overview ..................................................................................................................17 1.2 GS2100M Module Product Features .....................................................................................17 Chapter 2 GS2100M Architecture ................................................................
GS2100M Low Power WiFi Module Data Sheet 4.5 802.11 Radio Parameters (Estimate) ....................................................................................45 4.6 Sigma Delta ADC Parameters ...............................................................................................46 Chapter 5 Package and Layout Guidelines ..................................................................................... 49 5.1 GS2100Mxx Recommended PCB Footprint and Dimensions ..............................
About This Manual This manual describes the GS2100M Low Power module hardware specification. Refer to the following sections: • Revision History, page 8 • Audience, page 8 • Standards, page 8 • Documentation Conventions, page 9 • Documentation, page 12 • Contacting GainSpan Technical Support, page 13 • Returning Products to GainSpan, page 14 • Accessing the GainSpan Portal, page 15 • Ordering Information, page 15 XYZ Printing 20140722 GS2100M-DS-001212, Release 0.
GS2100M Low Power WiFi Module Data Sheet Revision History This version of the GainSpan GS2100M Low Power WiFi Data Sheet contains the following new information listed in Table 1, page 8. Table 1 Revision History Version 0.6 0.7 0.8 Date Remarks May 2013 Initial Release January 2014 Updated SDIO interface clock frequency (see 1.2 GS2100M Module Product Features, page 17). Updated Power Consumption Estimates and 802.11 Radio Parameter Estimates (see 4.4 Power Consumption (Estimate), page 44 and 4.
GS2100M Low Power WiFi Module Data Sheet Documentation Conventions This manual uses the following text and syntax conventions: – Special text fonts represent particular commands, keywords, variables, or window sessions – Color text indicates cross-reference hyper links to supplemental information – Command notation indicates commands, subcommands, or command elements Table 2, page 9, describes the text conventions used in this manual for software procedures that are explained using the AT command lin
GS2100M Low Power WiFi Module Data Sheet Table 2 Document Text Conventions (Continued) Convention Type Description Enclose a numeric range, endpoints inclusive. Do not enter angle brackets as part of any command. <> Angle brackets Separates the variable from explanatory text. Is entered as part of the command. = Equal sign PROCESSID = Allows the repetition of the element that immediately follows it multiple times. Do not enter as part of the command. . dot (period) .
GS2100M Low Power WiFi Module Data Sheet Table 3, page 11, describes the symbol conventions used in this manual for notification and important instructions. Table 3 Symbol Conventions Icon Type Description Note Provides helpful suggestions needed in understanding a feature or references to material not available in the manual. Alert Alerts you of potential damage to a program, device, or system or the loss of data or service.
GS2100M Low Power WiFi Module Data Sheet Documentation The GainSpan documentation suite listed in Table 4, page 12 includes the part number, documentation name, and a description of the document. The documents are available from the GainSpan Portal. Refer to Accessing the GainSpan Portal, page 15 for details.
GS2100M Low Power WiFi Module Data Sheet 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 GainSpan Support Portal.
GS2100M Low Power WiFi Module Data Sheet Returning Products to GainSpan If a problem cannot be resolved by GainSpan 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. NOTE: Do not return any components to GainSpan Corporation unless you have first obtained an RMA number. GainSpan reserves the right to refuse shipments that do not have an RMA.
GS2100M Low Power WiFi Module Data Sheet Accessing the GainSpan Portal To find the latest version of GainSpan documentation supporting the GainSpan product release you are interested in, you can search the GainSpan Portal website by performing the following steps: NOTE: You must first contact GainSpan to set up an account, and obtain a customer user name and password before you can access the GainSpan Portal. 1. Go to the GainSpan Support Portal website. 2. Log in using your customer Email and Password.
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Chapter 1 GS2100M Overview This chapter describes the GainSpan® GS2100M low power module hardware specification overview. • Product Overview, page 17 • GS2100M Module Product Features, page 17 1.1 Product Overview The GS2100M based modules provide cost effective, low power, and flexible platform to add WiFi® connectivity for embedded devices for a variety of applications, such as wireless sensors and thermostats. It uses the GS2000 SoC, which combines ARM® Cortex M3-based processors with a 802.
GS2100M Overview GS2100M Module Product Features • GS2100M Low Power WiFi Module Data Sheet WiFi Solution: – WiFi security (802.11i) – WPA™ - Enterprise, Personal – WPA2™ - Enterprise, Personal – Vendor EAP Type(s) – • EAP-TTLS/MSCHAPv2, PEAPv0/EAP-MSCHAPv2, PEAPv1/EAP-GTC, EAP-FAST, EAP-TLS • Hardware-accelerated high-throughput AES and RC4 encryption/decryption engines for WEP, WPA/WPA2 (AES-CCMP and TKIP).
GS2100M Low Power WiFi Module Data Sheet • GS2100M Overview GS2100M Module Product Features Interfaces: • SDIO: – Compliant to SDIO v2.0 specification – Interface clock frequency up to 40 MHz NOTE: Tested with current test platform up to 33 MHz.
GS2100M Overview GS2100M Module Product Features GS2100M Low Power WiFi Module Data Sheet • Power supply monitoring capability • Low-power mode operations: – • Standby, Sleep, and Deep Sleep FCC/IC/ETSI/TELEC/WiFi Certification XYZ Printing 20140722 20 Confidential Preliminary GS2100M-DS-001212, Release 0.
Chapter 2 GS2100M Architecture This chapter describes the GainSpan® GS2100M Low Power module architecture. • Architecture Description, page 21 2.1 Architecture Description The GainSpan GS2100M module (see Figure 1, page 22) is based on a highly integrated GS2000 ultra low power WiFi System-on-Chip (SoC) that contains the following: • • The GS2000 SoC contains two ARM Cortex M3 CPUs, a compatible 802.11 radio, security, on-chip memory, and variety of peripherals in a single package.
GS2100M Architecture Architecture Description GS2100M Low Power WiFi Module Data Sheet Figure 1 GS2100M Block Diagram XYZ Printing 20140722 22 Confidential Preliminary GS2100M-DS-001212, Release 0.
GS2100M Low Power WiFi Module Data Sheet GS2100M Architecture Architecture Description 2.1.1 Wireless LAN and System Control Subsystem The WLAN CPU subsystem consists of the WLAN CPU, its ROM, RAM, 802.11b/g/n MAC/PHY, and peripherals. This CPU is intended primarily to implement the 802.11 MAC protocols. The CPU system has GPIO, Timer, and Watchdog for general use. A UART is provided as a debug interface. A SPI interface is provided for specific application needs.
GS2100M Architecture Architecture Description GS2100M Low Power WiFi Module Data Sheet • Client and AP modes support • Encryption support including: AES-CCMP, legacy WPA-TKIP, legacy WEP ciphers and key management • WiFi Protected Setup 2.0 (WPS2.0) including both PIN and push button options • 802.11e based QoS (including WMM, WMM-PS) • WiFi Direct with concurrent mode, including Device/Service Discovery, Group Formation/Invitation, Client Power Save, WPS-PIN/Push Button 2.1.2.2 802.
GS2100M Low Power WiFi Module Data Sheet GS2100M Architecture Architecture Description 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. 2.1.3.
GS2100M Architecture Architecture Description GS2100M Low Power WiFi Module Data Sheet A 64KB dual port memory is used for exchange of data between the two CPU domains. Each CPU subsystem can read or write to this memory using an independent memory port. SW must manage the memory access to avoid simultaneous write to the same memory location. The dual port memory appears as a single bank to each CPU subsystem. 2.1.4.
GS2100M Low Power WiFi Module Data Sheet GS2100M Architecture Architecture Description 2.1.6 Real Time Clock (RTC) Overview To provide global time (and date) to the system, the GS2100Mxx module is equipped with a low-power Real Time Clock (RTC). The RTC is the always on block that manages the Standby state. This block is powered from a supply pin (VRTC) separate from the digital core and may be powered directly from a battery. The RTC implementation supports a voltage range of 1.6V to 3.6V. 2.1.6.
GS2100M Architecture Architecture Description GS2100M Low Power WiFi Module Data Sheet 2.1.6.2 Real Time Clock Counter The Real Time Counter features: – 48-bit length (with absolute duration of 272 years). – Low-power design. This counter is automatically reset by power-on-reset. This counter wraps around (returns to “all-0” once it has reached the highest possible “all-1” value). 2.1.6.
GS2100M Low Power WiFi Module Data Sheet GS2100M Architecture Architecture Description • Read and Writes using 4 parallel data lines • Cyclic Redundancy Check CRC7 for command and CRC16 for data integrity-CRC checking optional in SPI mode • Programmable through a standard AHB Slave interface • Writing of the I/O reset bit in CCCR register generates an active low reset output synchronized to AHB Clock domain. • Card responds to Direct read/write (IO52) and Extended read/write (IO53) transactions.
GS2100M Architecture Architecture Description GS2100M Low Power WiFi Module Data Sheet interrupts to the CPU to indicate specific events such as FIFO full/empty, block complete, no ack error, and arbitration failure. 2.1.7.5 GPIO The GPIO block provides programmable inputs and outputs that can be controlled from the CPU SW through an APB interface. Any number of inputs can be configured as an interrupt source. The interrupts can be generated based on the level or the transition of a pin.
GS2100M Low Power WiFi Module Data Sheet GS2100M Architecture Architecture Description 2.1.8 System States The system states of the GS2100Mxx system are as follows: Power OFF: No power source connected to the system. Standby: In the standby state, the GS2100M 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. In standby state, the 32.
GS2100M Architecture Architecture Description GS2100M Low Power WiFi Module Data Sheet 2.1.9 Power Supply This section shows various application power supply connections. Figure 2, page 32 shows the GS2100Mxx power supply connection. Figure 2 GS2100Mxx Always ON Power Supply Connection XYZ Printing 20140722 Note: 1. Always ON connection connects VRTC and VIN_3V3 together to a 3.3V power supply. 32 Confidential Preliminary GS2100M-DS-001212, Release 0.
Chapter 3 Pin-out and Signal Description This chapter describes the GainSpan® GS2100M Low Power module architecture. • GS2100Mxx Device Pin-out, page 33 3.1 GS2100Mxx Device Pin-out Figure 3, page 33 shows the GS2100Mxx device pin-out diagram. Figure 3 GS2100Mxx Device Pin-out Diagram (Module Top View) XYZ Printing 20140722 GS2100M-DS-001212, Release 0.
Pin-out and Signal Description GS2100Mxx Device Pin-out GS2100M Low Power WiFi Module Data Sheet 3.1.1 GS2100Mxx Module Pins Description Table 7, page 34 describes the GS2100Mxx module pin signal description.
GS2100M Low Power WiFi Module Data Sheet Pin-out and Signal Description GS2100Mxx Device Pin-out Table 7 GS2100Mxx Module Pin Signal Description (Continued) Pins Name Voltage Domain Internal Bias after Hardware Reset Drive Strength (mA) Signal State Description 20 GPIO33/SDIO_DAT3/ VIN_3V3 Pull-up SPI0_CS_n_0 4 GPIO/SDIO Data Bit Digital 3/SPI0 Chip Select Input 0 Input/Output from the HOST (Active Low) 21 GPIO34/SDIO_CMD/ VIN_3V3 Pull-down SPI0_DIN 4 GPIO/SDIO Command Digital Input/SPI0 Rec
Pin-out and Signal Description GS2100Mxx Device Pin-out GS2100M Low Power WiFi Module Data Sheet Table 7 GS2100Mxx Module Pin Signal Description (Continued) Pins Name Voltage Domain Internal Bias after Hardware Reset Drive Strength (mA) Signal State Description 38 JTAG_TMS VIN_3V3 Pull-up Digital Input JTAG Test Mode Select 39 JTAG_TRST_n VIN_3V3 Pull-down Digital Input JTAG Test Mode Rest (Active Low) 40 GND 0V Analog Port Ground Not Applicable Notes: 1.
GS2100M Low Power WiFi Module Data Sheet Pin-out and Signal Description GS2100Mxx Device Pin-out 3.1.2 GS2100M Pin MUX Function The GS2100M pins have multiple functions that can be selected using mux function by software. Table 8, page 37 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.
Pin-out and Signal Description GS2100Mxx Device Pin-out GS2100M Low Power WiFi Module Data Sheet Table 8 GS2100M Pin MUX Description (Continued) Alternate Functions Available Pin# Pin Name Internal Pull Resistor mA Mux3 Mux4 Mux5 Mux7 28 gpio25/uart0_rts d 12 uart0_rts wuart_rts reserved spi_1_clk 29 gpio0_uart0_rx d 4 uart0_rx wuart_rx pwm2 spi1_din 30 gpio24/uart0_cts d 12 uart0_cts wuart_cts reserved spi1_cs_n_0 31 gpio31/pwm2 d 16 pwm2 spi1_dout uart1_tx wuart_tx
GS2100M Low Power WiFi Module Data Sheet Pin-out and Signal Description GS2100Mxx Device Pin-out 3.1.3 GS2100M Program and Code Restore Options Table 9, page 39 describes the options available for device program mode and code restore capabilities. The respective GPIO pins are sampled at reset by device and depending on the values seen on these pins goes into the appropriate mode. Code for the GS2100M resides on the internal flash of the module and up to two back-up copies could be stored in flash.
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Chapter 4 Electrical Characteristics This chapter describes the GainSpan® GS2100M electrical characteristics. • Absolute Maximum Ratings, page 41 • Operating Conditions, page 42 • I/O DC Specifications, page 43 • Power Consumption (Estimate), page 44 • 802.11 Radio Parameters (Estimate), page 45 • Sigma Delta ADC Parameters, page 46 4.1 Absolute Maximum Ratings Conditions beyond those cited in Table 10, page 41 may cause permanent damage to the GS2100Mxx, and must be avoided.
Electrical Characteristics Operating Conditions GS2100M Low Power WiFi Module Data Sheet 4.2 Operating Conditions Table 11, page 42 lists the operating conditions of the GS2100Mxx module. Table 11 Operating Conditions Parameter Symbol Minimum Extended T Temperature Range A -40 RTC Power Supply VRTC 1.6 Single Supply Port GS2100MIx 2.7 VIN_3V3 Signal Pin Voltage1 VI 2 5.5 Maximum Unit +85 oC 3.3 3.6 V 3.3 3.6 V Voltage Domain V 6.0 V 0 VPP VPP Typical 5.75 Notes: 1.
GS2100M Low Power WiFi Module Data Sheet Electrical Characteristics I/O DC Specifications 4.3 I/O DC Specifications 4.3.1 I/O Digital Specifications (Tri-State) Pin Types 4mA, 12mA, and 16mA The specifications for these I/O’s are given for voltage ranges: 2.7V to 3.6V. 4.3.1.1 I/O Digital Specifications for VDDIO=2.7V to 3.6V Table 12, page 43 lists the parameters for I/O digital specification for VDDIO 2.7V to 3.6V for Pin Types 4mA, 12mA, and 16mA. Table 12 I/O Digital Parameters for VDDIO=2.7V to 3.
Electrical Characteristics Power Consumption (Estimate) GS2100M Low Power WiFi Module Data Sheet 4.3.2 RTC I/O Specifications Table 13, page 44 lists the RTC I/O parameters. Table 13 RTC I/O Parameters Parameter Symbol Minimum Typical Maximum Unit Supply Voltage VRTC 1.6 3.6 V Input Low Voltage VIL -.03 0.3*VRTC V Input High Voltage VIH 0.7*VRTC VRTC+0.3 V 0.
GS2100M Low Power WiFi Module Data Sheet Electrical Characteristics 802.11 Radio Parameters (Estimate) 4.5 802.11 Radio Parameters (Estimate) Table 15, page 45 lists the 802.11 Radio parameters (estimate). Test conditions are: VIN_3V3=VRTC=3.3V Temp=25oC. Table 15 802.
Electrical Characteristics Sigma Delta ADC Parameters GS2100M Low Power WiFi Module Data Sheet 4.6 Sigma Delta ADC Parameters Table 16, page 46 lists the Sigma Delta ADC parameters. Test conditions are: VIN_3V3=VRTC=3.3V Temp=25oC. Table 16 ADC Parameters Parameter Minimum Typical Maximum Unit Notes D/A DC Performance (see Note 1) Resolution - 16 - Bits Full Scale 2.
GS2100M Low Power WiFi Module Data Sheet Electrical Characteristics Sigma Delta ADC Parameters 2. Full scale (FS) can be trimmed in the reference generator. The gain error specified is on top of the reference level error. 3. The master clock frequency is always 250 times higher than data clock rate. 4. Assumes a -1 dB full scale input and corrected for full scale. Fin can be from 0 to 10KHz. The SNR is met for all master clock frequencies. XYZ Printing 20140722 GS2100M-DS-001212, Release 0.
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Chapter 5 Package and Layout Guidelines This chapter describes the GainSpan® GS2100M package and layout guidelines. • GS2100Mxx Recommended PCB Footprint and Dimensions, page 49 5.1 GS2100Mxx Recommended PCB Footprint and Dimensions Figure 4, page 49 shows the GS2100MIx Module PCB Footprint. Figure 5, page 50 shows the GS2100MIx Module Dimensions. Figure 4 GS2100MIx Module Recommended PCB Footprint (in millimeters) 87 XYZ Printing 20140722 GS2100M-DS-001212, Release 0.
Package and Layout Guidelines GS2100Mxx Recommended PCB Footprint and Dimensions GS2100M Low Power WiFi Module Data Sheet Figure 5 GS2100MIx Module Dimensions (in millimeters) XYZ Printing 20140722 Notes: 1. All Dimensions are in millimeters (mm). Tolerances TBD. 2. Absolutely no metal trace or ground layer underneath this area. If using ceramic antenna, it is recommended to have only air under this area. Hang antenna over edge of base board or cut notch in base board. 3.
GS2100M Low Power WiFi Module Data Sheet Package and Layout Guidelines GS2100Mxx Recommended PCB Footprint and 3. External monopole antennas need a reasonable ground plane area for antenna efficiency. 4. Do not use a metallic or metalized plastic for the end product enclosure when using on-board antenna. 5. If the module is enclosed in a plastic case, have reasonable clearance from plastic case to on-board antenna. XYZ Printing 20140722 GS2100M-DS-001212, Release 0.
Package and Layout Guidelines GS2100Mxx Recommended PCB Footprint and Dimensions GS2100M Low Power WiFi Module Data Sheet 5.1.1 Surface Mount Assembly The reflow profile is shown in Figure 6, page 52. The recommended reflow parameters are summarized in Table 17, page 52. Figure 6 Reflow Temperature Profile XYZ Printing 20140722 Table 17 Recommended Reflow Parameters Preheat Temperature Ramp up rate for (A)2 1.5~3.
GS2100M Low Power WiFi Module Data Sheet Package and Layout Guidelines GS2100Mxx Recommended PCB Footprint and 6. Be careful about sudden rise in temperature as it may worsen the slump of solder paste. 7. Be careful about slow cooling as it may cause the positional shift of parts and decline in joining at times. 8. A no clean flux should be used during SMT process. The modules are shipped in sealed trays with the following conditions (see Figure 7, page 53).
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NCC 警告語 本產品符合低功率電波輻射性電機管理辦法： 第十二條 經形式認證合格之低功率射頻電機，非經許可，公司、商號或使用者均不得擅自 變更頻率、加大功率或變更原設計之特性及功能。 第十四條 低功率射頻電機之使用不得影響飛航安全及干擾合法通信；經發現有干擾現象時， 應立即停用，並改善至無干擾時方的繼續使用。 前項合法通信，指依電信規定作業之無線電信。低功率射頻電機須忍受合法通信 或工業、科學及醫療用電波輻射性電機設備之干擾。 本模組於取得認證後, 將依規定於模組本體標示審驗合格標籤， 並要求平台廠商於平台上標示 「“本產品內含射頻模組 」
