iWEM-1000 Ultra Low Power Consumption WiFi Module User Manual
Contents
1. 14 SPI CS SPI Chip Select No connect 15 SPI MOSI SPI master data out No connect 16 SPI MISO SPI master data in No connect 17 SPI CLK SPI clock No connect 18 GND1 Ground 19 GPIO 6 GPIO 24mA drive 3 3V tolerant 20 GPIO 14 GPIO 8mA drive 3 3V tolerant 21 DMA RX Debug port No connect Debug port apply 100K pull down if ultra low 22 DMA TX g part Aapay P HIGH Z sleep power required Force the module to wakeup input to module 23 FORCE_AWAKE 31us min pulse Balance center pin voltage on stacked super 24 SUPERCAP Analog 3 3V No connect capacitors 25 GND Ground Battery input 2 4 3 3V with boost regulator in use 26 VDD BATT 3 0 3 7V otherwise 3 3 to 3 7 voltage do not connect when boost 27 VDD IN regulator is in use Boost regulator control input connect to 28 3 3V REG IN GND to disable 3 3V REG OUT to enable Boost regulator control output connect to 29 3 3V REG OUT No connect 3 3V REG IN to enable 30 UART TX TX from the module 8mA drive 3 3V tolerant 31 UART RX RX to the module 8mA drive 3 3V tolerant 32 GPIO 12 UART CTS flow control 8mA drive 3 3V tolerant 33 GPIO 13 UART RTS flow control 8mA drive 3 3V tolerant 34 EPC ANT B EPC port RFID antenna B No connect 35 EPC ANT A EPC port RFID antenna A No connect Module reset Active Low reference to VDD BATT 36 RESET Pull up 160 usec pulse 37 SENSOR 7 Sensor interface Analog input to module Analog 1 2V tolerant No conn2. 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com CAIDAS EAS 10 BBR ZS Atech Technology Co Ltd iWEM 1000UM Sep 17 2010 tftp_get OK lt CR gt Get a image from the TFTP server to upgrade firmware lt tftp_server gt lt file_name gt boot_image OK lt CR gt Set the boot image The settings take effect after the lt handle gt module is restarted lt file_name gt 4 4 Config Commands Config commands are to set different types of parameters in iWEM 1000 The typical response of a Config command is OK lt CR gt The user must issue Save lt CR gt to store the updated configurations into the flash memory The new configuration will take effect after reboot 4 4 1 WLAN WLAN commands are for the users to configure the WLAN interface The WLAN parameters can be set with the WLAN commands Command Response Action and Notes set_antenna lt ant gt OK lt CR gt Select antenna configuration Ant 0 antenna used UFL or SMA connector Ant 1 antenna used chip antenna Default 0 set_ssid OK lt CR gt Set the SSID of the BSSID with which we ll associate lt ssid_string gt Default Atech set_channel OK lt CR gt Set the 802 11b g channel to use lt channel gt channel 1 to 13 Default 1 set_wlan_mode OK lt CR gt Set WLAN mode 0 Infrastructure 1 Ad Hoc lt wlan_mode gt wlan_mode 0 Infrastructure 1 Ad Hoc Default 0 set_preferred_rat
3. internal pull up of 100K to the VDD_BATT Leave the reset pin floating for typical applications 2 5 UART i1iWEM 1000 supports 3 wire and 5 wire UART configuration The 3 wire configuration is standard TX RX and ground connection The 5 wire configuration is with CTS RTS flow control When the 3 wire interface is used connect only UART TX UART RX and ground to external UART port When the 5 wire UART configuration is used connect 2 extra CTS RTS lines The UART configuration is set in command interface The user can set baud rate flow control and other UART parameters in the command interface The default UART setting is 9600bps 8 data bits 1 start stop bit and no flow control 2 6 Integrated on board Antenna Antenna Connectors 1WEM 1000 can be built with the choice of integrated on board antenna or UFL SMA antenna connector The user specifies the choice of antenna when the iWEM 1000 is built The integrated on board antenna is Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com A EK HS AS fo ARAE Atech Technology Co Ltd iWEM 1000UM Sep 17 2010 the most convenient selection two types of option to be available PCB amp Chip Antenna The UFL SMA antenna provides
4. CATCH BS to BBR ZS J a Atech Technology Co Ltd iWEM 1000UM Sep 17 2010 IWEM 1000 Ultra Low Power Consumption WiFi Module User Manual Copyright Notice Copyright 2009 Atech Technology Co Ltd All Rights Reserved Reproduction without permission is prohibited Trademarks Atech is a registered trademark of Atech Technology Co Ltd Disclaimer Information in this document is subject to change without notice and does not represent a commitment on the part of Atech Atech provides this document as is without warranty of any kind either expressed or implied including but not limited to its particular purpose Atech reserves the right to make improvements and or changes to this manual or to the products and or the programs described in this manual at any time Information provided in this manual is intended to be accurate and reliable However Atech assumes no responsibility for its use or for any infringements on the rights of third parties that may result from its use This product might include unintentional technical or typographical errors Changes are periodically made to the information herein to correct such errors and these changes are incorporated into new editions of the publication Technical Support Contact Information If you encounter any technical issues while using iWEM 1000 do not hesitate to contact us Atech Our technical staff will help you resolve the technical issues You can contact us by
5. Flush Timeout 10 ms Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Lid 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 http Awww atechoem com Fax 886 2 2377 0283
6. get_state lt current_state gt lt CR gt Get current device state The output reflects the current Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com TA TC AS EA 10 BBR ZS device setting Example output Baud rate 115200 MTU 1400 Flush Timeout 10 MAC Address 00 12 34 56 78 9a WLAN mode 0 Join an existing network SSID Atech525A3 Channel 6 Auth ed Assoc ed 12 transmits 0 retries Tx rate is 24Mbit s Autorate 1 Retries per rate 4 Retry limit 12 802 11 interface is UP IP 192 168 0 103 NM 255 255 255 0 GW 192 168 0 1 Local Port 1000 Host IP 192 168 0 100 Remote port 2000 Protocol 1 TCP client Connected get_uart lt uart_setting gt lt CR gt Get UART port setting The output reflects the setting stored in the flash memory The setting will take effect after reboot Example Baud rate 9600 MTU 1400 Flush Timeout 10 get_wian lt wlan_setting gt lt CR gt Get WLAN setting The output reflects the setting stored in the flash memory The setting will take effect after reboot Example ANT 0 WLAN Mode 0 Infrastructure SSID Atech Channel 1 Preferred Rates 24M 12M 5M 1M get_ip lt network_setting gt lt CR gt Get Network set
7. gt 1 YOD_3V3_IN 27 SL12 20 uF Schottky lf e Boost Regulator lt x 3V3_REG_CTRLLIN 28 Short to Siliconix enable Boost i2312DS Regulator 3V3_REG_CTRL_OUT 29 iWEM 1000 e External Circuits 2 3 2 3 0 3 7VDC input Circuit 3 0 to 3 7VDC power supply circuits are designed to power 1WEM 1000 with standard 3 3VDC power or a rechargeable Lithium battery To use this configuration apply 3 3 VDC power to VBATT pin 20 and V3 3IN pin 21 Tie 3 3VREG IN pin 18 to GROUND Let 3 3V REG OUT Pin 17 floating Do NOT exceed the voltage ratings on the 3 3V pins damage to the module will result The following picture shows the application circuits to use the 3 0 to 3 7VDC power supply Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com CAIDAS EAS 10 BBR ZS Oo a Atech Technology Co Ltd WEM 1000UM Sep 17 2010 VDD_BATT 26 Battery 3 0 to 3 7V VDD_3V3_IN 27 3V3_REG_CTRL_IN 28 3V3_REG_CTRL_OUT 29 iWEM 1000 External Circuits 2 4 Reset The Reset pin is required to be used only when the programming the flash memory on the module Reset is active LOW and is optional does not need to be connected The Reset pin is 3 3V tolerant and has an
8. 2010 The following picture and table show how the I O pins are arranged for iWEM 1000 Pin 1 Pin 17 0 00000000000 RF Shield g ky N E a L A AAA Pin 41 Pin 25 Default Pin Name Description Pin Type d Configuration Ground Must be connected for proper antenna 1 GND2 performance 2 SENSOR 3 Sensor interface Analog input to module Analog 1 2V tolerant 3 SENSOR 2 Sensor interface Analog input to module Analog 1 2V tolerant 4 SENSOR 1 Sensor interface Analog input to module Analog 1 2V tolerant 5 SENSOR O Wakeup from external condition 6 SENSE PWR Voltage output from module to power external sensors 3 3V Analog 3 3V 7 GPIO 7 GPIO 24mA drive 3 3V tolerant 8 GPIO 8 GPIO 24mA drive 3 3V tolerant 9 GPIO 2 GPIO 24mA drive 3 3V tolerant 10 GPIO 3 GPIO 24mA drive 3 3V tolerant 11 GPIO 4 GPIO 24mA drive 3 3V tolerant 12 GPIO 5 GPIO 24mA drive 3 3V tolerant 13 GPIO 9 GPIO 8mA drive 3 3V tolerant Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Lid 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan DOC http Awww atechoem com Tel 886 2 2377 0282 Fax 886 2 2377 0283 CAIDAS EAS 10 BBR ZS a Atech Technology Co Ltd iWEM 1000UM Sep 17 2010
9. input blocks The user picks one of the power supply circuits to use Only one power supply circuit needs to be connected GPIOs The GPIO interface includes UART TX UART RX 8mA drive GPIOs and 24mA drive GPIOs The 24mA GPIOs can be use to drive LEDs See more information about GPIOs in the pin description section Debug Reset DMA TX and DMA RX pins for software programming and debugging SPI Master This interface to for the user to connect to external SPI devices Special software support is required Sensors This interface is to connect to external sensors It can be configured to support few different sensors types Special software support is required RF There are two RF interfaces on the module One is the WLAN interface and the other one is RFID interface The WLAN interface has a choice of three antenna types chip antenna UFL and Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com kg RAR to BBR ZS a Atech Technology Co Ltd iWEM 1000UM Sep 17 2010 reverse SMA connector The selection of the antenna path is user configurable through command line interface The second RF interface is the RF ID interface To use the RFID interface special software support is req
10. number used for WEP40 or WEP 104 The response depends on the selected WEP mode key 1 to 4 Default 1 4 4 2 Network Network commands are for the users to set the DHCP mode IP address and all essential IP network parameters The Network commands also cover serial port device server settings Command Response Action and Notes set_dhcp lt state gt OK lt CR gt Enable Disable DHCP state 0 disable state 1 enable Default 1 set_host OK lt CR gt Set remote TCP server host IP address lt host_IP_addr gt Default 192 168 0 100 set_remote_port OK lt CR gt Set remote TCP server listening port lt remote_port gt remote_port 0 to 65535 Default 2000 set_local_port OK lt CR gt Set local TCP server listening port This setting lt local_port gt local_port 0 to 65535 Default 1000 set_ip OK lt CR gt Set local IP address lt local_IP_addr gt Default 0 0 0 0 set_netmask OK lt CR gt Set local netmask lt netmask gt Default 255 255 255 0 Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Lid 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan DOC http Awww atechoem com Tel 886 2 2377 0282 Fax 886 2 2377 0283 CATCHES DARA ZC Atech Technology Co Ltd iWEM 1000UM Sep 17 2010 set_gateway OK lt CR gt Set Gateway IP addr
11. d ascii commands to iWEM 1000 UART port to set communication parameters or view them The response is also in readable ascii format When iWEM 1000 in command mode iWEM 1000 takes defined ascii command sets To exit command mode send exit lt cr gt to the UART port 1WEM 1000 will respond with exit to the data terminal and switch to data mode The UART setting of the host controller or data terminal must match the 1 WEM 1000 UART setting in order to communicate iWEM 1000 default UART setting is 115200bps 8 data bits 1 start stop bit and no flow control The user can use any preferred terminal program like Teraterm or Hyperterm to connect to the iWEM 1000 through COM port Teraterm is recommended because of its popularity and user friendliness You can go to the official Teraterm site to download the latest Teraterm application http en sourceforge jp projects ttssh2 releases 3 3 Save Updated Configuration After the user updates the configuration in command mode the user must save the new configuration into the flash memory Send save command to iWEM 1000 after the new configuration is set The new configuration will be saved into the flash memory The new setting will take effect after the user reboots iWEM 1000 4 Command Interface This section describes syntax and commands used in command interface for the user to set and check the 1WEM 1000 configuration 4 1 Escape Characters to Enter Command Mode In
12. ect 38 SENSOR 6 Sensor interface Analog input to module Analog 1 2V tolerant No connect 39 SENSOR 5 _ Sensor interface Analog input to module Analog 1 2V tolerant No connect 40 SENSOR 4 Sensor interface Analog input to module Analog 1 2V tolerant No connect Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Lid 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan DOC http Awww atechoem com Tel 886 2 2377 0282 Fax 886 2 2377 0283 CA TC ASE AS 10 BBR ZS Oo a Atech Technology Co Ltd WEM 1000UM Sep 17 2010 2 3 Power There are 2 ways to power iWEM 1000 up One is to use the 2 4V to 3 3VDC input circuit The other one is to use 3 0 to 3 7VDC input circuit Only one power input circuit needs to be connected 2 3 1 2 4 3 3VDC Input Circuit 2 4 to 3 3VDC power supply circuits are designed to power 1WEM 1000 with 2 standard Ni Cd or Ni MH batteries To use this configuration apply battery 2 4 to 3 3VDC to VBATT pin 20 Let V3 3IN pin 21 floating Tie pin 17 to pin 18 This enables the on board battery boost 3 3V switcher There is a built in voltage brownout monitor which will shut down the chip when the voltage drops below 2 4 VDC The following picture shows the application circuits to use the 2 4 to 3 3VDC power supply VDD_BATT 26 iS Battery 2 4 to 3 3V
13. email or phone The following is our technical contact e Hours 9 30AM to 5 30PM GMT 08 00 Email wifi support atechtpe com tw Phone 886 2 6629 6667 Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Lid 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com CAIDA EAS 10 BBR ZS Table of Contents Vs e UE 3 27 MardWare eae see ne cna a cn ite nee et ce a cine ct cee aan et cae a ene theta eke ee edness 3 2 1 iWEM 1000 Quick Connection Guide ccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeeeees 4 2 2 PUPOESCIPN E 6 E ON Ge 8 2 3 1 2 4 3 3VDC Inp t Circ it E 8 2 0020 3 0 3 7VDC inp t GIFCUNE sccstasensnncciicssttedenannstdennncdatenexasedenassteiananstidenamsduduaseatedcuanaieianuestindy 8 hs MCSD A E E 9 ST E 9 2 6 Integrated on board Antenna Antenna Connectors See 9 Gr d DIMENSIONS sissiscitscitacsdnccincsancxcncnsncvancetucsencetuteanceduceiacstuctincntuctancsaucuancnducetucscucevecetecceccocndeeens 10 3 Operation Modes EEN 10 3d Data Mode eerueeuereueNetEEENeEEEENeEEEENEEEEENEKENEENEEEEENEEENEENEEEEENEEEN ENEE Ee 10 3 2 Command Mode snnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen nnne 11 3 3 Save Updated Configuration siciisiciissssss
14. es OK lt CR gt Set the 802 11b g channel to use lt r1 gt lt r2 gt lt r3 gt lt r4 gt r1 r2 r3 r4 54 48 36 24 12 6 11 5 2 1 Default 24 1251 The four data rate set should be a descendant series or equal numbers The rates must be selected from the defined set shown above set_passwd wep40 set_passwd wep40 Select WEP40 key number and set WEP keys Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Lid 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan DOC http Awww atechoem com Tel 886 2 2377 0282 Fax 886 2 2377 0283 CAIDAS EA 10 BBR ZS Atech Technology Co Ltd iWEM 1000UM Sep 17 2010 lt key gt lt password gt lt key gt lt password gt key 1 to 4 password XX XX XX XX Xx x 0 to f set_passwd wep104 lt key gt lt password gt set_passwd wep104 lt key gt lt password gt Select WEP40 key number and set WEP keys key 1 to 4 password xx XX XX XX XX XX XX XX XX XX XX XX XX X 0 to f set_passwd wpa lt password gt WPAv1 amp WPAv2 Key lt password gt lt CR gt Set the WPA passwords The length of the WPA password must be shorter than 64 set_passwd key lt key gt WEP40 key lt key gt active lt CR gt or WEP104 key lt key gt active lt CR gt Set key
15. ese interfaces The Atech default software does not support those function blocks The following picture shows the simplest way to hook up iWEM 1000 Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com A GPUS RAR to BBR A a Atech Technology Co Ltd iWEM 1000UM Sep 17 2010 Pin 1 Pin 17 Oo BB amp wy ww E D RF Shield N E D Pin 41 UART_RX UART_TX 3 3to3 7voc GND Connection Direction Ground Connect pin 25 to ground 3 3 to 3 7VDC Short pin 26 VDD_BATT and pin 27 VDD_3V3 together Connect to 3 3 to 3 7VDC regulated power source REG_IN Short pin 28 REG_IN to ground UART_TX Connect pin 30 UART_TX to host UART receive pin UART_RX Connect pin 31 UART_RX to host UART transmit pin Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com CAIDAS EA 10 BBR ZS Atech Technology Co Ltd 2 2 Pin description m iWEM 1000UM Sep 17
16. ess lt GW_IP_addr gt Default 0 0 0 0 set_dns OK lt CR gt Set DNS address lt dns_IP_addr gt Default 0 0 0 0 set_protocol OK lt CR gt Set the protocol to use lt protocol gt protocol 0 UDP protocol 1 TCP client protocol 2 TCP server Default 1 4 4 3 UART The UART commands are for the user to set the UART parameters like baudrate and flow control The UART commands set the UART to WiFi forward packet size and flush timeout Command Response Action and Notes set_baud_rate OK lt CR gt Set UART port baudrate lt baud_rate gt baudrate 2400 4800 9600 19200 38400 57600 115200 230400 460800 921600 Default 115200 Please do not use undefined baudrate The baudrate will not be set if undefined a baudrate are selected set_mtu lt mtu gt OK lt CR gt Set forward packet sizein bytes mtu 1 to 1400 Default 1400 set_flush_timeout OK lt CR gt Set UART buffer flush timeout in mS lt flush_timeout gt flush_timeout 0 to 50 Default 10 4 5 Status Commands Status commands are for the users to get current device state and settings The get_state command gets the current status of the module The rest of commands get the setting stored in the flash memory The setting stored in the flash memory will take effect after a system restart The setting may not reflect the current setting It reflects the setting after system reboot Command Response Action and Notes
17. isisiccctencscctstsscssscenanandeeaissadusnansnansaucnsissnanckananansan 11 4 Command INE AG Casas oss oc eses da icc panennbensasnadencanadeccaenatenax na becaenatenanerbeumneceneunnds 11 4 1 Escape Characters to Enter Command Mode scccseseeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeeeeeeeeees 11 4 2 Command Type EE 12 E Oe e ee Hl D 12 4 4 AODMG Commands EN 13 AAN WEAN EH 13 4 4 2 WN CIO toon ccstea ic setcaeu en tecanucnwacucucawacanucawucucucneucanuctuucucusteacucuctsuduachonpecatenapetctenapecatenaenustiny 14 Baas NERD E nate core sanecenandsasowssandeatanaieeee vevedauntteusiadcauudaucaae sven cadeheseaaoesalpavindsadia 15 4 5 Status e re E e DEN 15 5 Default Setting cvivssissitsanisastieussantiaeaianttanssnntsnnntentieneanstiianientianeactdeustantiseaneniensawitanisaraiasiaaseins 17 51 E WEE 17 5 2 NEtWOTK eer cesacetecesacets ees 17 5 93 VART E 17 Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com CA TC ASE AS 10 BBR ZS Oo a Atech Technology Co Ltd WEM 1000UM Sep 17 2010 1 Overview 1WEM 1000 is a complete 802 11b g Wi Fi and networking solution and includes an antenna a 32 bit CPU operating system network stack crypto accelerator power management subsystem
18. more flexibility and better performance if the proper antennas are matched 2 7 Layout Dimensions Use the dimensions shown in the picture below to do the PCB layout for the host system or carrier board that will use iWEM 1000 Le 32 50 00000 1 27 aM A H 0 3 Operation Modes iWEM 1000 has two operations modes data mode and command mode The data mode is for the user to transmit and receive data in user specified modes The command mode is for the user to set or check configuration of the module 3 1 Data Mode When iWEM 1000 is powered up the default operation mode is data mode The module is ready to transmit and receive data as soon as the module boots up and associates to a WLAN network Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com CAIDAS EAS DARAS 3 2 Command Mode When iWEM 1000 is powered up the default operation mode is data mode To enter command mode send escape characters to 1WEM 1000 through the UART port 1WEM 1000 will respond with the command prompt characters gt The user sets and checks the configuration of 1WEM 1000 in command mode The user can use a host controller or a terminal emulator to sen
19. order to get into command from default data mode the user must send time guarded escape characters to the UART port The format is lt 00ms guard time gt lt 500ms guard time gt If the guard time is less than 500ms the escape characters will be discarded and iWEM 1000 will not get into command mode Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com ATC BAS fo BBR 2 el Sa Atech Technology Co Ltd WEM 1000UM Sep 17 2010 4 2 Command Type There are three types of commands Action Commands Perform action such as scan connect disconnect etc Config Commands Set the 1WEM 1000 configuration The user needs to issue a save command to save the updated configuration to the flash memory The new configuration will take effect after reboot Status Commands See what is going on with the interface IP status etc The user can issue command to list all available commands All available commands will be printed to the terminal emulator in ascii format All commands issued to iWEM 1000 must be followed by lt CR gt character as a command terminator 4 3 Action Commands The action commands are the commands to have the 1WEM 1000 doing various actions other than changing
20. real time clock and a versatile sensor interface allowing it to serve as a WiFi client data communication module or with custom software as a standalone host For typical WiFi data communication applications i1WEM 1000 has TCP IP stack and applications running on the module It does not require the host system to run any TCP IP stack iWEM 1000 requires only 4 pins POWER TX RX GND to connect to the host system The iWEM 1000 is configured by simple ASCii configuration commands through the UART port in command mode Once network configuration is set the radio can automatically connect to the WiFi network upon reset and send receive serial data over UART Since all networking functions are managed by the 1WEM 1000 internet connectivity can be added to devices with 8 or 16 bit processors eliminating the need to port existing applications and resulting in fastest time to market and reduced development costs This user manual focuses on how to use iWEM 1000 module with Atech firmware This manual shows how to connect the hardware how to configure through serial interface and how to use 1WEM 1000 The custom software development with iWEM 1000 is not covered in this manual 2 Hardware 1WEM 1000 is a surface mount module designed to be integrated to a system board as a wireless subsystem or standalone system The hardware interface is grouped into the following functional blocks Power supplies 2 4 to 3 3VDC and 3 0 to 3 7VDC power
21. the configuration of the module Command Response Action and Notes exit Data mode lt CR gt Exit command mode Is lt List of files gt lt CR gt _ List all files in flash scan lt ssid gt lt List of APs gt lt CR gt _ Scan for infrastructure BSSs to join ping lt ping response from Send an ICMP echo request to the specified IP address lt ping_IP_addr gt the pinged Ping the default gateway if no IP_address is specified host gt lt CR gt set_factory_defaults OK lt CR gt Restore the configuration to factory default settings The settings take effect after the module is restarted tcp_connect TCP Connecting Create a connection to the TCP server lt CR gt tcp_disconnect TCP Drop the TCP connection If the setting is TCP server Disconnected lt CR gt disconnect the TCP client connected to iWEM 1000 If the setting is TCP client disconnect from the TCP server restart OK Restarting Restart the current application application now lt CR gt save OK lt CR gt Save the configuration to the EEPROM memory The settings take effect after the module is restarted sleep Power down lt CR gt Put iWEM 1000 module into sleep mode Ground pin 5 to wake up module Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel
22. ting The output reflects the setting stored in the flash memory The setting will take effect after reboot Example DHCP is OFF IP 192 168 2 138 NM 255 43 255 0 GW 192 168 2 253 Authorised Distributor Alpha Micro Components Ltd www alphamicro net Sales alphamicro net Tel 44 1256 851770 Atech Technology Co Ltd 7F AAEON Building No 43 Sec 4 Keelung Rd Taipei City 10607 Taiwan R O C Tel 886 2 2377 0282 Fax 886 2 2377 0283 http Awww atechoem com CAIDAS EAS 10 ARAS Sa Atech Technology Co Ltd iWEM 1000UM Sep 17 2010 DNS 168 95 192 1 Local Port 1000 Host IP 192 168 2 254 Remote port 2000 Protocol 1 TCP client 5 Default Setting The following sections describe the default settings when iWEM 1000 is out of Atech factory The user can issue set_factory_defaults to put the module back to factory default settings The user can also toggle the factory default pin in specified sequence to put iWEM 1000 into factory default settings 5 1 WLAN SSID Atech 802 11 Channel 1 Mode Infrastructure Antenna 0 Security open Preferred Data Rates 24M 12M 5M 1Mbps 5 2 Network DHCP ON Remote TCP server 192 168 0 100 Remote TCP server port to connect 2000 Local IP address 0 0 0 0 Local port 1000 Netmask 255 255 255 0 Gateway 0 0 0 0 Protocol TCP client 5 3 UART Baudrate 115200 Flow control No flow control MTU 1400 bytes
23. uired The following picture shows how the interfaces are grouped Power Supply Generation Power Outputs A e lt wt e cp GN ve NANN r w2rero ec Ch y x Je 3 Soe gS a100 gt amp Sp Men 16 lt 2 0 2 SPLMOSI 15 gt SPI Master E wit a SPLSCLK 17 H a 3 7 ER Bee gt Ha s f Edem Antenna Connector e as o a UEL or SMA RESETL 3 gt Reset 2 4GHz lt intemal Antenna iWEM 1000 FORCE_AWAKE 23 Debug DCH or Chip Antenna High OMA_UART_TX 21 speed OMA_UART_RX 22 Serial xx E HO ILI BN dr opp JS EPC_ANTENNA_A EE 34 EPC_ANTENNA_S ZK XN ce RW CH iN vlt bi WW Kid SP e ae X g erage GND 1 ELE D GOGG 90909 18 SS O i 2299 8299 25 SA A 88 88 BERR HRS eSeeereel Se Sg Lanzen 8885 WY Y y GPIO SDIO GPIO Sensors 2 1 iWEM 1000 Quick Connection Guide In the simplest configuration the hardware only requires a few connections PWR UART TX UART RX GND to create a wireless data connection The user selects a power supply voltage 2 4 3 3V or 3 0 3 7V to use and configure the external power supply circuits according to the power supply section in this manual The user connects UART TX UART RX and ground pins to the host controller The host controller can control the iWEM 1000 module and transmit data through the WLAN network The user can also use other functional blocks like SPI GPIO and sensor interfaces Special software support is required to use th
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