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ISM43362-M3G-L44-E-SPI-C2.4.0.3

ISM43362-M3G-L44-E-SPI-C2.4.0.3

  • 厂商:

    INVENTEKSYSTEMS

  • 封装:

    模块

  • 描述:

    MOD WIFI 802.11B/G/N W/ANT SPI

  • 数据手册
  • 价格&库存
ISM43362-M3G-L44-E-SPI-C2.4.0.3 数据手册
ISM43362-M3G-L44 Product Specification INVENTEK SYSTEMS ISM43362-M3G-L44 eS-WiFi™ (embedded Serial-to-WiFi) 802.11 b/g/n + MCU + Certified Antenna Module Data Sheet DOC-DS-20023-4.2.1 Page 1 Inventek Systems ISM43362-M3G-L44 Product Specification Table of Contents 1 2 GENERAL DESCRIPTION ................................................................................................... 4 PART NUMBER DETAIL DESCRIPTION .......................................................................... 5 2.1 Ordering Information ...................................................................................................... 5 3 GENERAL FEATURES ......................................................................................................... 6 3.1 Limitations ...................................................................................................................... 6 3.2 Regulatory Compliance .................................................................................................. 6 3.3 FCC and IC User’s Manual Statements: ......................................................................... 7 4 COMPLEMENTARY DOCUMENTATION ...................................................................... 10 4.1 Inventek Systems .......................................................................................................... 10 5 SPECIFICATIONS ............................................................................................................... 10 5.1 Module Architecture ..................................................................................................... 10 5.2 External Antenna Connections ..................................................................................... 11 5.3 Mechanical Specifications ............................................................................................ 11 5.4 Environmental Specifications ....................................................................................... 12 6 HARDWARE ELECTRICAL SPECIFICATIONS ............................................................. 12 6.1.1 Absolute Maximum Ratings ..................................................................................... 12 6.1.2 Recommended Operating Ratings ............................................................................ 12 7 POWER CONSUMPTION ................................................................................................... 13 7.1.1 Power Management Modes....................................................................................... 13 7.1.2 Stop Mode ................................................................................................................. 13 8 PIN OUT ............................................................................................................................... 14 8.1.1 Detailed Pin Description ........................................................................................... 15 8.1.2 Configuration Pins: ................................................................................................... 16 *Requires a 10K ohm pull down .............................................................................................. 16 9 FIRMWARE UPGRADES DURING DEVELOPMENT .................................................... 16 10 SERIAL HOST INTERFACES AVAILABLE .................................................................... 16 10.1 UART ............................................................................................................................ 17 10.1.1 Data Mode ............................................................................................................. 17 10.1.2 Flow Control ......................................................................................................... 17 10.1.3 Supported Baud Rates ........................................................................................... 17 10.1.4 Default Serial Configuration ................................................................................. 17 10.2 SPI (Serial Peripheral Interface Bus) ............................................................................ 17 10.2.1 SPI Communication Overview: ............................................................................ 18 10.2.2 SPI Command Phase: ............................................................................................ 19 10.2.3 SPI Endian Example: ............................................................................................ 19 10.2.4 SPI Data Phase: ..................................................................................................... 21 10.2.5 SPI Asynchronous Messages: ............................................................................... 21 10.2.6 SPI AC Characteristics: ........................................................................................ 22 DOC-DS-20023-4.2.1 Page 2 Inventek Systems ISM43362-M3G-L44 Product Specification 10.3 USB ............................................................................................................................... 22 10.4 GPIO ............................................................................................................................. 22 10.5 ADC’s ........................................................................................................................... 22 11 Wi-Fi RF SPECIFICATION................................................................................................. 23 11.1.1 RF Specification.................................................................................................... 23 12 ANTENNA PATTERNS ...................................................................................................... 24 12.1 External Antenna .......................................................................................................... 24 12.2 PCB Etch Antenna Gain on the Evaluation Board ....................................................... 25 12.3 Far field Directivity....................................................................................................... 26 13 ON BOARD PROCESSOR .................................................................................................. 27 14 ISM43362-M3G-L44 FOOTPRINT ..................................................................................... 28 14.1 Module’s dimensions top view (mm) .......................................................................... 28 14.2 PCB recommended footprint top view (mm)............................................................... 28 15 TYPICAL APLLICATION CIRCUIT ................................................................................. 29 15.1 Reference Schematic (EVB) ......................................................................................... 30 15.2 USB to UART ............................................................................................................... 31 15.3 Connecting Microcontroller to eS-WiFi UART ........................................................... 32 15.4 JTAG and Reset Connections ....................................................................................... 33 15.5 eS-WiFi Programming Options .................................................................................... 34 15.6 eS-WiFi USB Direct Connection Option ...................................................................... 34 16 PRODUCT COMPLIANCE CONSIDERATIONS ............................................................. 35 17 REFLOW PROFILE ............................................................................................................. 36 18 PACKING INFORMATION ................................................................................................ 37 18.1 MSL Level / Storage Condition .................................................................................... 37 18.2 Device baking requirements prior to assembly............................................................. 38 Module’s Assembly Instructions .............................................................................................. 38 19 REVISION CONTROL ........................................................................................................ 39 20 CONTACT INFORMATION ............................................................................................... 39 DOC-DS-20023-4.2.1 Page 3 Inventek Systems ISM43362-M3G-L44 Product Specification 1 GENERAL DESCRIPTION The Inventek ISM43362-M3G-L44 is an embedded Serial WiFi (eS-WiFiTM), wireless Internet Connectivity device. The Wi-Fi module hardware consists of an STM M3 Cortex host processor, integrated antenna (or optional external antenna) and Cypress Wi-Fi device. The module provides UART, USB and SPI interfaces enabling connection to an embedded design. The Wi-Fi module requires no operating system and has a completely integrated TCP/IP Stack that only requires Inventek’s IWIN (Inventek Wireless Interoperability Network),AT commands to establish connectivity for your wireless product, minimizing development time, testing routines and certification. The low cost, small foot print (14.5 mm x 30 mm) and ease of design-in make it ideal for a range of embedded applications. The module hardware can be used with Inventek’s IWIN AT Command set or with Cypress’s WICEDTM SDK. Summary of Key Features:         802.11 b/g/n compliant based on Cypress MAC/Baseband/Radio device. Fully contained TCP/IP stack minimizing host CPU requirements. Configurable using IWIN AT commands. Host interface: UART, SPI, or USB-HID. Network features: ICMP (Ping), ARP, DHCP,TCP, UDP. Low power operation (3.3V supply) with built-in low power modes. Secure Wi-Fi authentication WEP-128, WPA-PSK (TKIP), WPA2-PSK. Proven Interoperability … Connects with other vendor’s b/g/n Access Points in the Wireless LAN.  Supported by Cypress WICEDTM SDK. Typical Applications:        PDA, Pocket PC, computing devices. Building automation and smart energy control. Industrial sensing and remote equipment monitoring. Warehousing, logistics and freight management. PC and gaming peripherals. Printers, scanners, alarm and video systems. Medical applications including patient monitoring and remote diagnostics. DOC-DS-20023-4.2.1 Page 4 Inventek Systems ISM43362-M3G-L44 Product Specification 2 PART NUMBER DETAIL DESCRIPTION 2.1 Ordering Information ISM43362-M3G-L44-X X X X – C.Z.Z.Z.Z IWIN AT Command SW Version C and 4-digit sw version number: z.z.z.z Interface: Blank=UART SPI=SPI Antenna: E = Etched Antenna U = U.FL External Antenna [Both eS-WiFi options are FCC/CE/IE/Japan certified]. Evaluation Boards eS-WiFi-43362 EVB Inventek eS-WiFi (embedded Serial Wi-Fi), Evaluation Board, USB cable, with ISM43362-M3GL44 module.   ISMART-43362 EVB Inventek ISMART (Inventek Systems Module ARduino Test), EVB with ISM43362M3G-L44 module.  USB Com. Port (UART) & JTAG USB to eS-WiFi ISM43362-M3G-L44 Evaluation Board USB Com. Port (UART) & JTAG ISM43362-M3G-L44 Evaluation Board DOC-DS-20023-4.2.1 Page 5 Inventek Systems ISM43362-M3G-L44 Product Specification 3 GENERAL FEATURES         Based on the Cypress BCM43362 MAC/Baseband/Radio device. Supports Cypress WICED SDK. CPU ARM Cortex™-M3 32-bit RISC core from ST Microelectronics. Host UART, SPI, or USB-HID interface. IEEE 802.11n D7.0 -OFDM-72.2 Mbps -single stream w/20 MHz, Short GI IEEE 802.11g (OFDM 54 Mbps) IEEE 802.11b (DSSS 11Mbps) IEEE 802.11i (Security) o o         WPA (Wi-Fi Protected Access) –PSK/TKIP WPA2 (Wi-Fi Protected Access 2)- AES/CCMP/802.1x Authentication Inputs +3.3 V tolerant 5 GPIO, 5 ADC (Note: SPI interface utilizes ADC pins.) The devices operate from a 3.0 to 3.6 V power supply. -40 to +85 °C temperature range. Power-saving mode allows the design of low-power applications. Lead Free Design which is compliant with ROHS requirements. EMI/EMC Metal Shield for best RF performance in noisy environments and to accommodate for lower RF emissions/signature for easier FCC compliance. FCC/CE Compliance Certification. 3.1 Limitations Inventek Systems products are not authorized for use in safety-critical applications (such as life support) where a failure of the Inventek Systems product would reasonably be expected to cause severe personal injury or death. 3.2 Regulatory Compliance CE Regulator FCC IC RoHS Status 07P-362 10147A-362 Compliant DOC-DS-20023-4.2.1 Page 6 Inventek Systems ISM43362-M3G-L44 Product Specification 3.3 FCC and IC User’s Manual Statements: OEM INSTRUCTIONS: This module is limited to OEM installation only. OEM integrators must ensure that the end-user has no manual instructions to remove or install the module.. OEM’s must comply with FCC marking regulation part 15 declaration of conformity (Section 2.925(e)). This module is to be installed only in mobile or fixed applications (Please refer to FCC CFR 47 Part 2.1091(b) for a definition of mobile and fixed devices). Separate approval is required for all other operating configurations, including portable configurations with respect to FCC CFR 47 Part 2.1093, and different antenna configurations. The antennas used with this module must be installed to provide a separation distance of at least 20cm from all persons, and must not be co-located or transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi transmitter product procedures. The ISM43362 Module has been designed to operate with the following antennas and gains. Use with other antenna types or with these antenna types at higher gains is strictly prohibited. Manufacturer Inventek Inventek Type of Antenna U.FL port Antenna Trace Antenna Model Gain dB W24P-U 2.15 NA 0 Type of Connector Unique Connector Permanent integral DOC-DS-20023-4.2.1 Page 7 Inventek Systems ISM43362-M3G-L44 Product Specification Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment. A clearly visible label is required on the outside of the user’s (OEM) enclosure stat the following text: Contains FCC ID: O7P-362 Contains IC: 10147A-362 This transmitter module has been certified for FCC Part 15 operation; when installed in a host device, the host manufacturer is responsible for making sure that the host device with the transmitter installed continues to be compliant with Part 15B unintentional radiator requirements DOC-DS-20023-4.2.1 Page 8 Inventek Systems ISM43362-M3G-L44 Product Specification Industry Canada User’s Manual Statements: IC RSS-210/RSS-Gen NoticesOperation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of this device. L’opѐration est soumise aux deux conditions suivantes: (1) cet appareil ne peut pas provoquer d’interfѐrences et (2) cet apparial doit accepter toute interfѐrence, y compris les interfѐrences qui peuvent causer un mauvis fonctionment de l’appareil. Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. Sous la rѐglementation d’Industrie Canada, ce transmetteur radio ne peut fonctionner en utilisant une antenne d’un type et un maximum (ou moins) gain approuvѐes pour l’ѐmetteur par Industrie Canada. Pour rѐduire le risqué d’interference aux autres utilisateures, le type d’antenne et son gain doivent être choisis de maniѐre que la puissance isotrpe rayonnѐe ѐquivalente (PIRE) ne dѐpasse pas ce qui est nѐcessaire pour une communication rѐussie. The radio transmitter has been approved by Industry Canada to operate with the antenna types listed above with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Cet ѐmetteur de radio a ѐtѐ approuvѐ par Industrie Canada pour fonctionner avec les types d’antennes ѐnumѐrѐes ci-dessus avec le gain maximal admissible et impѐdance d’antenna requise pour chaque type d’antenne indiquѐ. Types d’antennes ne figurant pas dans cette liste, ayant un gain supѐrieur au gain maximum indiquѐ pour ce type, sont strictement interdites pour l’utilisation avec cet appareil. DOC-DS-20023-4.2.1 Page 9 Inventek Systems ISM43362-M3G-L44 Product Specification 4 COMPLEMENTARY DOCUMENTATION 4.1 Inventek Systems  Evaluation Boards: http://www.inventeksys.com/products-page/wifi-eval-kits/ism43362m3x-evb-e-wi-fi-evaluation-board/ o ISM43362-M3G-L44 eS-WiFi Data Sheet o eS-WiFi EVB Quick Start Guide o eS-WiFi EVB User’s Manual o eS-WiFi EVB PC Demo software (includes EVB Drivers and Firmware) o eS-WiFi EVB Demo Software Help o ISMART Arduino EVB option.  IWIN AT Command Set o AT Command Set User’s Manual o AT Command Set Quick Reference Guide o AT Command Sample scripts (E-mail, Cloud..)  Firmware  OrCAD Schematic Symbol  PADS Land Pattern  FCC Test Report 5 SPECIFICATIONS 5.1 Module Architecture Figure 1 Inventek’s ISM43362-M3 General Block Diagram Note: 1. Antenna Options: Integrated microstrip antenna or U.FL connector for an external antenna. 2. ADC1-ADC5 can also be used as SPI port DOC-DS-20023-4.2.1 Page 10 Inventek Systems ISM43362-M3G-L44 Product Specification 5.2 External Antenna Connections ISM43362-M3G-L44-U module is designed for use with an external antenna via a connection using the U.FL connector. Item Description Connector U.FL series Manufacturer I-PEX Co., Ltd. Part No. 20279-001E-01 Height 1.25 mm Width 2 mm DC 3.0 – 5.0 V Table 1 On-Board Antenna Connector 5.3 Mechanical Specifications The Physical dimensions of this eS-WiFi Module are as follow: * Keep out Area Figure 2: ANTENNA IS IN ETCH ”Keep out” area should ideally have the antenna hanging off the side of the PCB for best performance. If you do not hang the antenna off the PCB, ensure no PCB ground planes or traces are placed under the antenna (keep out area). Surrounding metal will affect the antenna performance. The ISM43362-M3G-L44- U and -E have the same footprint. Inventek recommends a 9mm ”Keep Out” on all three sides. * External Antenna does not require “keep out” area DOC-DS-20023-4.2.1 Page 11 Inventek Systems ISM43362-M3G-L44 Product Specification Items Description ISM43362-M3G-L44-E /U Length Width Height Package 30 mm (-/+0.5 mm) 14.7 mm (-/+0.5 mm) 2.5 ± 0.2 mm 44 pin LGA 5.4 Environmental Specifications Item Operating temperature range Storage temperature range Humidity Description -40 deg. C to +85 deg. C -40 deg. C to +85 deg. C 95% max non-condensing Note 1: The ISM43362-M3G supports a functional operating range of -40°C to +85°C. However the optimal RF performance specified in this data sheet is only guaranteed for temperatures from -10°C to +65°C 6 HARDWARE ELECTRICAL SPECIFICATIONS 6.1.1 Absolute Maximum Ratings Symbol Description Min Max Unit VDD Input supply Voltage -0.4 3.7 V VBAT Battery Backup -0.4 3.6 V 6.1.2 Recommended Operating Ratings Symbol Min. Typ. Max. Unit. VDD 3.0 3.3 3.6 V VBAT 3.0 3.3 3.6 V DOC-DS-20023-4.2.1 Page 12 Inventek Systems ISM43362-M3G-L44 Product Specification 7 POWER CONSUMPTION 7.1.1 Power Management Modes Power Management Modes WiFi On/Off WiFi Power Save On/Off WiFi Beacon listen Skip MCU Sleep Stop Mode Description Current IWIN AT Commands MCU is powered on, but WiFi radio can be 37 mA powered off After you join a network, Power Save mode can be 50 mA entered. The unit will (160 mA burst of not automatically wake more than 5ms) up when data is ready. AP will buffer data You can extend Beacon set to 1, ~7.2mA beacon time to save Beacon set to 1, ~4.7mA additional power Beacon set to 1, ~4.2mA while sleeping the One Second Sleep MCU 10 mA ZP=3,0 -Stop ZP=3,1 -Start ZP=1,0 -Off ZP=1,1 -ON ZP=2,1; ZP=6 ZP=2,5;ZP=6 ZP=2,10;ZP=6 Note: Typical current when WiFi is connected to a network is 110 mA. During transmit the maximum current can reach 340 mA burst of not more than 5ms. Power Save mode does not work when in Access mode. In order to save power, IWIN AT Commands, ZP=2 and ZP=6, can be used to allow the MCU to sleep and reduce the beacon intervals by turning the radio on/off at a duty cycle. The eS-WiFi modules support multiple power saving modes. Please see the power savings application note for more detailed information. For power critical applications please contact Inventek for alternative low power modes. 7.1.2 Stop Mode Stop Mode is initiated by software and exited by the an input on the Wakeup pin. (Wakeup pin is 3.3 volt tolerant). The wakeup pin is an external interrupt pin that on the rising edge will cause the module to exit stop mode. It is an edge trigged input. It is critical to have no glitch on this line. DOC-DS-20023-4.2.1 Page 13 Inventek Systems ISM43362-M3G-L44 Product Specification 8 PIN OUT DOC-DS-20023-4.2.1 Page 14 Inventek Systems ISM43362-M3G-L44 Product Specification 8.1.1 Detailed Pin Description Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Type Pin Definition G GND I VDD G GND I/O TMS I/O TCK I/O TDI I/O TD0 I/O TDRSTN I/O ADC 4 / SPI_MOSI I/O ADC 3 / SPI_MISO I/O ADC 2 / SPI_SCK I/O ADC 1 / SPI_SSN I/O ADC 0 (I)/ DATARDY (0) I VDD I VBAT I Wakeup G GND I DP I/O DM G GND I/O RX I/O TX I/O GPIO 0 I/O GPIO 1 I/O GPIO 2 I/O GPIO 3 I/O GPIO 4 I CFGO I CFG1 O RES I RES I RES I BOOT 0 I RSTN G GND G GND Descriptions Ground 3.3V Ground JTAG JTAG JTAG JTAG JTAG ADC Input Pins or SPI Host Interface (Refer to SPI Section 10.2) 3.3V 3.3V (Refer to Section 7.1.2) Ground USB Data Plus (Refer to Table 8.1.2) USB Data Minus (Refer to Table 8.1.2 ) Ground UART Receive (Refer to section 10.1 ) UART Transmit (Refer to section 10.1 ) General Purpose Interface Pins Configuration Pin 0 (Refer to Table 8.1.2 ) Configuration Pin 1 (Refer to Table 8.1.2 ) Reserved Reserved Reserved Enable On Board Micro Boot Loader Reset (See STM32F205 NRST specification ) Ground Ground DOC-DS-20023-4.2.1 Page 15 Inventek Systems ISM43362-M3G-L44 Product Specification Pin No. Type Pin Definition 37 G GND 38 G GND 39 G GND 40 G GND 41 G GND 42 G GND 43 G GND 44 G GND Descriptions Ground Ground Ground Ground Ground Ground Ground Ground 8.1.2 Configuration Pins: CFGO 1 1 0* 0* CFG1 Internally Pulled High 1 UART ( NC) 0* SPI 1 USB VCP 0* USB HID *Requires a 10K ohm pull down Note: These pins are not used in the currently available production firmware. Modules are preprogrammed with separate and specific firmware that supports either UART, SPI or USB HID. In future versions of the firmware these pins will be used to select the host interface type. 9 FIRMWARE UPGRADES DURING DEVELOPMENT We recommend using a JTAG 10 pin header or directly connecting to the JTAG pins on the module for updating. Use the ST-Link to flash the ST micro. Below are links to the ST-Link and JTAG header at Digikey: STLink: http://www.digikey.com/product-detail/en/ST-LINK%2FV2/497-10484-ND/2214535 The 10 to 20 pin JTAG adapter is Digi-Key PN 726-1193-ND: https://www.digikey.com/products/en?keywords=726-1193-ND *JTAG Firmware Update Note can be found at www.inventeksys.com 10 SERIAL HOST INTERFACES AVAILABLE UART, SPI and USB-HID host interfaces are supported and unique firmware is required for each interface. DOC-DS-20023-4.2.1 Page 16 Inventek Systems ISM43362-M3G-L44 Product Specification 10.1 UART A universal asynchronous receiver / transmitter (UART) with 3.3v logic levels is available. 10.1.1 Data Mode When the eS-WiFi module is interfaced serially, the serial interface needs to be configured for 8 bit data, no parity, and one stop bit -- (8-n-1). 10.1.2 Flow Control The eS-WiFi module and WICED do not require or support Flow Control, so Flow Control should not be implemented. 10.1.3 Supported Baud Rates The eS-WiFi module uses USART1 (PA9 and PA10 of the STM32F205) and the following serial baud rates are supported: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600, 1152000, 1382400, 1612800, 1834200, 2073600. USART1 can be run at higher rates but have not been tested with the IWIN AT command set. 10.1.4 Default Serial Configuration The eS-WiFi module is shipped with the default serial configuration of 115200 baud, 8 data bits, no party, and 1 stop bits. 10.2 SPI (Serial Peripheral Interface Bus) The eS-WiFi module supports SPI (Contact Inventek for specific firmware.) DOC-DS-20023-4.2.1 Page 17 Inventek Systems ISM43362-M3G-L44 Product Specification SPI Slave Interface: Clock rate: 20MHz max. Width: 16-bit Mode: 0 Endian: Little Note: All commands to the eS-WiFi module must be post-padded with 0x0A (Line Feed) to an even number of bytes. All data from eS-WiFi module will be post-padded with 0x15(NAK) to an even number of bytes. 10.2.1 SPI Communication Overview: With the exception of initial cursor, all communication with the module happens synchronously. In other words, the SPI Master must always poll for every asynchronous event. A typical command flow is provided flow. This is an example using the Direct Connect Soft AP with a TCP communication server. SPI Master SPI Slave (eS-WiFi) Description “\r\n> “ Prompt “AS=0,ABC\r\x0A” "\r\n\r\nOK\r\n> " Set Access Point SSID “AD\r\ x0A” "\r\n\r\nOK\r\n> " Start AP - Direct Mode "P1=0\r\ x0A” "\r\n\r\nOK\r\n> " Set TCP Protocol "P4=2000\r" "\r\n\r\nOK\r\n> " Set TCP Port "P5=1\r\ x0A” "\r\n\r\nOK\r\n> " Start TCP COMM Server "MR\r\ x0A” "\r\n[SOMA]...[EOMA]\r\nOK\r\n> Read Messages " Note: [SOMA] - Start of Message Asynchronous, [EOMA] - End Of Message Asynchronous DOC-DS-20023-4.2.1 Page 18 Inventek Systems ISM43362-M3G-L44 Product Specification The SPI communication is always 16-bit and can be sustained up to 20MHz. The eS-WiFi module after power up or reset will raise CMD/DATA READY pin to signal that the first Data Phase has started. In this mode, the SPI Host must fetch the cursor. As provided by the example above, this is the only time host needs fetch data from slave without issuing a command. The Host will initiate a SPI cycle (lower SSN) and clock out 0x0A (Line Feed) until the CMD/DATA READY pin lowers signaling the end of the Data Phase. The data received will be 0x0d (CR) 0x0A (LF) 0x3E (>) 0x20 (SP). The next rising edge of the CMD/DATA READY pin signals the Command Phase. 10.2.2 SPI Command Phase: The Command Phase indicates the eS-WiFi module is ready to accept an IWIN AT Command. The command must include all delimiters and data for the command. Ex. S3=0010\r0123456789 The command must also be sent as one continuous SPI cycle, that is SSN must stay low for the complete command, delimiters, and data. The Host will initiate a SPI cycle (lower SSN) and clock out the command, delimiters and associated data and raise the NSS signal to indicated that the all data has be sent. As result of the NNS raising the eS-WiFi module will lower the CMD/DATA READY pin to signal the end Command Phase. The data that will be clocked back to the Host will be 0x15 (NAK). 10.2.3 SPI Endian Example: The data is in little endian (0x15 0x15 0x0A 0x0D 0x20 0x3E) and needs to be converted back to big endian with the leading 0x15’s removed. Please remember that this is a 16-bit interface so the endian conversion is done one 16-bit at a time. DOC-DS-20023-4.2.1 Page 19 Inventek Systems ISM43362-M3G-L44 Product Specification The endian requirement extends to the command being sent to the module. So a “I?\r\x0A” command would be sent as 0x3F 0x49 0x0A 0x0D. DOC-DS-20023-4.2.1 Page 20 Inventek Systems ISM43362-M3G-L44 Product Specification 10.2.4 SPI Data Phase: The Data Phase indicates the eS-WiFi module has data ready for the Host to read. The eS-WiFi module will raise CMD/DATA READY and the Host will initiate a SPI cycle (lower SSN) and clock out 0x0A (Line Feed) until the CMD/DATA READY pin lowers signaling the end of the Data Phase. 10.2.5 SPI Asynchronous Messages: There are certain situations in which the eS-WiFi will issue asynchronous messages:  Soft AP (AO/AD Commands), when a device connects to the Soft AP a DHCP assigned message will issued. Ex. [DHCP ] Assigned 00:00:00:00:00:00 has 192.168.10.100  TCP/UDP Communication Servers (P5=1), when a client connects to the server a connected message will be issued. Ex. [TCP SVR] Waiting on connection... [TCP SVR] Accepted 192.168.10.100:2000 [UDP SVR] Accepted 192.168.10.100:2000 With the SPI host interface being synchronous the Host must poll for these messages. This can be done by using the MR (Message Read) command or when a Communication connection the issuing of a R0 command will read all asynchronous message and the result of the R0 command. The asynchronous messages are delineated by the Start Of Message Asynchronous ([SOMA]) and End Of Message Asynchronous ([EOMA]) markers. DOC-DS-20023-4.2.1 Page 21 Inventek Systems ISM43362-M3G-L44 Product Specification 10.2.6 SPI AC Characteristics: Symbol Tf(sck) Tc(sck) Tsu(sck) Tc(byte) Tsu(ssn) Th(ssn) Min. Typ. Max. 20 MHz 50 ns 15 us 8 * Tc(sck) 4 us 3 us 10.3 USB The eS-WiFi module supports a USB HID interface. (Contact Inventek for specific firmware.) 10.4 GPIO Each of the GPIO pins can be configured by the IWIN AT command set as Button, LED, Digital input or Digital output. The outputs are 3.3V CMOS and reference the IWIN AT Command Set User manual to configure. 10.5 ADC’s One 12-bit analog-to-digital converter is available. Reference the IWIN AT Command Set User’s manual for configuration. DOC-DS-20023-4.2.1 Page 22 Inventek Systems ISM43362-M3G-L44 Product Specification 11 Wi-Fi RF SPECIFICATION 11.1.1 RF Specification Conditions: VDD=3.3V; VDDIO=3.3V; TEMP: 25°C Feature WLAN Standard Frequency Range Number of Channels Modulation *Output Power Receive Sensitivity (11n,20MHz) @10% PER Receive Sensitivity (11g) @10% PER Receive Sensitivity (11b) @10% PER Data Rates Description IEEE 802.11b/g/n, Wi-Fi compliant 2.400 GHz ~ 2.497 GHz (2.4 GHz ISM Band) Ch1 ~ Ch14 802.11 g/n : OFDM /64-QAM,16-QAM, QPSK, BPSK 802.11b : CCK, DQPSK, DBPSK 802.11b /11Mbps : 18* dBm ± 1.5 dB 802.11g /54Mbps: 18* dBm ± 1.5 dB 802.11n /72Mbps: 18* dBm ± 1.5 dB - MCS=0 PER @ -86 dBm, typical - MCS=1 PER @ -85 dBm, typical - MCS=2 PER @ -85 dBm, typical - MCS=3 PER @ -84 dBm, typical - MCS=4 PER @ -80 dBm, typical - MCS=5 PER @ -78 dBm, typical - MCS=6 PER @ -72 dBm, typical - MCS=7 PER @ -69 dBm, typical - 6Mbps PER @ -89 dBm, typical - 9Mbps PER @ -88 dBm, typical - 12Mbps PER @ -88 dBm, typical - 18Mbps PER @ -87 dBm, typical - 24Mbps PER @ -83 dBm, typical - 36Mbps PER @ -80 dBm, typical - 48Mbps PER @ -75 dBm, typical - 54Mbps PER @ -72 dBm, typical - 1Mbps PER @ -93 dBm, typical - 2Mbps PER @ -91 dBm, typical - 5.5Mbps PER @ -89 dBm, typical - 11Mbps PER @ -87 dBm, typical 802.11b : 1, 2, 5.5, 11Mbps 802.11g : 6, 9, 12, 18, 24, 36, 48, 54Mbps DOC-DS-20023-4.2.1 Page 23 Inventek Systems ISM43362-M3G-L44 Product Specification Data Rate (20MHz ,Long GI,800ns) 802.11n: 6.5, 13, 19.5, 26, 39, 52, 58.5, 65Mbps Data Rate (20MHz ,short GI,400ns) 802.11n : 7.2, 14.4, 21.7, 28.9, 43.3, 57.8, 65,72.2Mbps Maximum Input Level 802.11b : -10 dBm 802.11g : -10 dBm *Maximum output power can be set to 20 dBM ± 1.5 dB with firmware modifications. 12 ANTENNA PATTERNS 12.1 External Antenna The Inventek U.FL PCB antenna has passed FCC and CE testing. The part number is W24P-U. It is a 2.4 GHz PCB antenna with a U.FL connector. The eS-Wifi family of Wi-Fi products comes with two different antenna offerings: ISM43362-M3G-L44-E ISM43362-M3G-L44-U PCB Etched Antenna U.FL connector for external antenna The Inventek W24P-U PCB antenna is FCC and CE certified and can be found on the Inventek Website. DOC-DS-20023-4.2.1 Page 24 Inventek Systems ISM43362-M3G-L44 Product Specification Inventek has also certified an external Rubber Antenna with a length of approximately 9 inches and 5 dB of gain that has certification for FCC, IC and CE. Please contact Inventek for further details. 12.2 PCB Etch Antenna Gain on the Evaluation Board The eS-WiFi PCB etched antenna performance is shown below. This etched antenna is FCC and CE certified and the radiation patterns shown below are based on simulation using evaluation boards that have a ground plane with dimensions of 71mm x 48mm. DOC-DS-20023-4.2.1 Page 25 Inventek Systems ISM43362-M3G-L44 Product Specification 12.3 Far field Directivity DOC-DS-20023-4.2.1 Page 26 Inventek Systems ISM43362-M3G-L44 Product Specification 13 ON BOARD PROCESSOR Reference the STM32F205 specification from ST Microelectronics for UART, SPI (Slave Mode) and USB Device. http://www.st.com/en/microcontrollers/stm32f2-series.html?querycriteria=productId=SS1575 DOC-DS-20023-4.2.1 Page 27 Inventek Systems ISM43362-M3G-L44 Product Specification 14 ISM43362-M3G-L44 FOOTPRINT 14.7 mm 14.1 Module’s dimensions top view (mm) Figure 3 Module Dimensions- Top View . 14.7 mm 14.2 PCB recommended footprint top view (mm) Figure 4 PCB Recommended Foot print - Top View DOC-DS-20023-4.2.1 Page 28 Inventek Systems ISM43362-M3G-L44 Product Specification 15 TYPICAL APLLICATION CIRCUIT This is the minimum number of wires required to be connected to a host microcontroller for operation in UART mode. It is recommended that the JTAG and BOOT0 lines are also brought out for future firmware upgrades. NOTE: Please place a 10-15uF Bulk CAP as close to the module as possible to VDD_3V3_WIFI DOC-DS-20023-4.2.1 Page 29 Inventek Systems ISM43362-M3G-L44 Product Specification 15.1 Reference Schematic (EVB) Typical application circuits please refer to schematic below. For a *.pdf version please visit the ISM43362 eS-WiFi evaluation board website: http://3225fd3789f8922a800865fd.mdeb1esylkbkqnmp3v.maxcdn-edge.com/wpcontent/uploads/ISM43362_EVB_Schematic.pdf DOC-DS-20023-4.2.1 Page 30 Inventek Systems ISM43362-M3G-L44 Product Specification 15.2 USB to UART DOC-DS-20023-4.2.1 Page 31 Inventek Systems ISM43362-M3G-L44 Product Specification 15.3 Connecting Microcontroller to eS-WiFi UART DOC-DS-20023-4.2.1 Page 32 Inventek Systems ISM43362-M3G-L44 Product Specification 15.4 JTAG and Reset Connections DOC-DS-20023-4.2.1 Page 33 Inventek Systems ISM43362-M3G-L44 Product Specification 15.5 eS-WiFi Programming Options 15.6 eS-WiFi USB Direct Connection Option DOC-DS-20023-4.2.1 Page 34 Inventek Systems ISM43362-M3G-L44 Product Specification 16 PRODUCT COMPLIANCE CONSIDERATIONS RoHS: Restriction of Hazardous Substances (RoHS) directive has come into force since 1st July 2006 all electronic products sold in the EU must be free of hazardous materials, such as lead. Inventek is fully committed to being one of the first to introduce lead-free products while maintaining backwards compatibility and focusing on a continuously high level of product and manufacturing quality. EMI/EMC: The Inventek module design embeds EMI/EMC suppression features and accommodations to allow for higher operational reliability in noisier (RF) environments and easier integration compliance in host (OEM) applications. FCC/CE: The module will be in compliance test for FCC/CE DOC-DS-20023-4.2.1 Page 35 Inventek Systems ISM43362-M3G-L44 Product Specification 17 REFLOW PROFILE    Reference the IPC/JEDEC standard. Peak Temperature:
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