GS2100M Low Power WiFi Module Data Sheet GS2100M-DS-001212 y r l a a n i i nt il mde e fi r P on C GainSpan® 802.11b/g/n Low Power WiFi® Series Modules Release 0.10, 04/08/2014 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.
GS2100M Low Power WiFi Module Data Sheet Table 1 Revision History (Continued) Version Date Remarks 0.9 March 2014 Added Regulator Notations in About this Manual. 0.10 April 2014 Added Surface Mount Assembly Reflow Profile Information. See 5.1.1 Surface Mount Assembly, page 51. Audience This manual is designed to help system designers build low power, cost effective, flexible platforms to add WiFi connectivity for embedded device applications using the GainSpan GS2100M based module.
GS2100M Low Power WiFi Module Data Sheet Table 2 Document Text Conventions (Continued) Convention Type Description UPPERCASE Variable parameter Indicates user input. Enter a value according to the descriptions that follow. Each uppercased token expands into one or more other token. lowercase Keyword parameter Indicates keywords. Enter values exactly as shown in the command description. [] Square brackets Enclose optional parameters.
GS2100M Low Power WiFi Module Data Sheet Table 2 Document Text Conventions (Continued) Convention Type Description IPv6-style address. X:X::X:X IPv6 IP address LINE End-to-line input token 3ffe:506::1 Where the : : represents all 0x for those address components not explicitly given. Indicates user input of any string, including spaces. No other parameters may be entered after input for this token.
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 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® Cortex M3-based processors with a 802.
GS2100M Overview GS2100M Module Product Features • GS2100M Low Power WiFi Module Data Sheet WiFi Solution: – Wi-Fi security (802.11i) – WPA™ - Enterprise, Personal – WPA2™ - Enterprise, Personal – Vendor EAP Type(s) – • • 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 • Power supply monitoring capability • Low-power mode operations: – • 20 Confidential GS2100M Low Power WiFi Module Data Sheet Standby, Sleep, and Deep Sleep FCC/IC/ETSI/TELEC/WiFi Certification (TBD) 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 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, 802.11 b/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 • RTS/CTS, CTS-to-self frame sequences and SIFS • 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.
GS2100M Low Power WiFi Module Data Sheet GS2100M Architecture Architecture Description signals required for TX and RX based on the PHY signals. The AGC look up table to map the gain to RF gain control word is implemented in this block. 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.
GS2100M Architecture Architecture Description GS2100M Low Power WiFi Module Data Sheet the shared memory appearing as a single bank for each CPU subsystem, independent of the number of blocks assigned. The shared memory is mapped such that the SRAM space is continuous from the dedicated SRAM to shared SRAM. 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.
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 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. At reset, all GPIO lines defaults to inputs. Each pin can be configured as input or output from SW control. 2.1.7.
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 Notes: 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) 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 37 JTAG_TDI VIN_3V3 Pull-up Digital Input JTAG Test Data In 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 Po
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.
Pin-out and Signal Description GS2100Mxx Device Pin-out GS2100M Low Power WiFi Module Data Sheet - This page intentionally left blank - 40 Confidential Preliminary GS2100M-DS-001212, Release 0.
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 3.0 VIN_3V3 Signal Pin Voltage1 VI 2 VPP VPP Typical Unit +85 oC 3.3 3.6 V 3.3 3.6 V Voltage Domain V 6.0 V 0 5.5 Maximum 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 over 3 different voltage ranges: 3.0V to 3.6V, 2.25V to 2.75V, and 1.7V to 1.98V. 4.3.1.1 I/O Digital Specifications for VDDIO=3.0V to 3.6V Table 12, page 43 lists the parameters for I/O digital specification for VDDIO 3.0V to 3.6V for Pin Types 4mA, 12mA, and 16mA.
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 Supply Voltage Minimum Typical 1.6 Input Low Voltage VIL Input High Voltage VIH Maximum Unit 3.6 V 0.3*VDD V 0l7*VDD Note V Input Leakage IL Current 0.1 μA Pullup Current IPU 1 μA Pulldown Current IPU 1 μA Output Low Voltage VOL Output High Voltage VOHJ 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 Integral Non-Linearity (INL) - +2 LSB Differential Non-Linearity (DNL) - +1 LSB Full Scale 2.
GS2100M Low Power WiFi Module Data Sheet Electrical Characteristics Sigma Delta ADC Parameters Table 16 ADC Parameters (Continued) Parameter Minimum Typical Total Harmonic Distortion (THD) Maximum -70 Unit Notes dB A/D DC Performance Resolution 16 Bits Integral Non-Linearity Error (INL) +2 LSB Differential Non-Linearity Error (DNL) +1 LSB Full Scale 2.
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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 inches) 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 inches) Notes: 1. All Dimensions are in millimeters (mm). Tolerances are as specified. 2. Absolutely no metal trace or ground layer underneath this area. If using PCB 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 5.1.1 Surface Mount Assembly The reflow profile is shown in Figure 6, page 51. The recommended reflow parameters are summarized in Table 17, page 51. Figure 6 Reflow Temperature Profile Table 17 Recommended Reflow Parameters PreHeat Temperature Ramp up rate for (A)2 1.5~3.
Package and Layout Guidelines GS2100Mxx Recommended PCB Footprint and Dimensions GS2100M Low Power WiFi Module Data Sheet 5. If the temperature is too low, non-melting tends to be caused in the area with large heat capacity after reflow. 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.
