ESPWROOM02 Wi-Fi Internet of Things Module User Manual

ESP8266UserManual ESP-WROOM-02 WiFiModule USER MANUAL FOR OEM OR INTEGRATORS ONLY: This module is limited to OEM installation only and must not be sold to end-users.

]CONFIDENTIAL

]INTERNAL

[

[

[ ]PUBLIC Disclaimer and Copyright Notice Information in this document, including URL references, is subject to change without notice. THIS DOCUMENT IS PROVIDED "AS IS" WITH NO WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY WARRANTY OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. All liability, including liability for infringement of any proprietary rights, relating to use of information in this document is disclaimed. No licenses express or implied, by estoppel or otherwise, to any intellectual property rights are granted herein. The Wi-Fi Alliance Member Logo is a trademark of the Wi-Fi Alliance. All trade names, trademarks and registered trademarks mentioned in this document are property of their respective owners, and are hereby acknowledged. Copyright 2013 Espressif Systems Inc. All rights reserved. Caution:Changesormodificationsnotexpresslyapprovedbythemanufacturercouldvoidthe usersauthoritytooperatetheequipment. 1 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo conditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustaccept anyinterferencereceived,includinginterferencethatmaycauseundesiredoperation. 2 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual 2. TableofContents 2.TableofContents.......................................................................................................3 1. Foreword....................................................................................................................4 2. FCC RF exposure requirements.................................................................................5 2.1. StandardsandRegulatoryCompliance................................................................5 2.1.1. Standardsandcertification..............................................................................5 2.1.2. FCCcertificationrequirements........................................................................5 2.1.3. FCCRFexposurerequirements........................................................................7 3.DownloadTools..........................................................................................................9 3.1. XTCOM_UTIL........................................................................................................9 3.2. ESP_FLASH_DOWNLOAD...................................................................................12 3 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual 1. Foreword This manual mainly introduces how to use ESP8266based SDK for Internet of Things,includingvirtualmachineinstallation,developmenttoolusage,SDKsoftware developmentkitetc. This module is limited to OEM installation only and must not be sold to endusers. OEMintegratorsmustbeinstructedtoensurethattheenduserhasnomanual instructionstoremoveorinstallthedevice. Theendusercannotremoveorinstallthismoduletoanyotherdevices. 4 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual 2. FCC RF exposure requirements 2.1. Standards and Regulatory Compliance 2.1.1. Standards and certification TheEUTconformstothefollowingstandardsandcertificationrequirements:

802.11b/g/n FCC 47CFRPart1RFradiationexposurelimits 47CFRPart2Equipmentauthorization 47CFRPartCWIFI 2.1.2. FCC certification requirements According to the definition of mobile and fixed device is described in Part 2.1091(b),thisdeviceisamobiledevice. Andthefollowingconditionsmustbemet:

1.TheEUTisamobiledevice;maintainatleasta20cmseparationbetweenthe EUT and the users body and must not transmit simultaneously with any other antennaortransmitter. 2. The device is only for fixed operation mode. (A Class II Change would be requiredfornearbodyHostapplications.) 3. A label with the following statements must be attached to the host end product:ThisdevicecontainsTxFCCID:2AC7ZESP8266EX. 4.TocomplywithFCCregulationslimitingbothmaximumRFoutputpowerand humanexposuretoRFradiation,maximumantennagain(includingcableloss)must notexceed:

802.11bband<2.0dBi 802.11g band<2.0dBi 802.11n band<2.0dBi 5. This module must not transmit simultaneously with any other antenna or 5 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual transmitter 6. The host end product must include a user manual that clearly defines operatingrequirementsandconditionsthatmustbeobservedtoensurecompliance withcurrentFCCRFexposureguidelines. Forportabledevices,inadditiontotheconditions3through6describedabove, aseparateapprovalisrequiredtosatisfytheSARrequirementsofFCCPart2.1093 Ifthedeviceisusedforotherequipmentthatseparateapprovalisrequiredfor allotheroperatingconfigurations,includingportableconfigurationswithrespectto 2.1093anddifferentantennaconfigurations. Forthisdevice,OEMintegratorsmustbeprovidedwithlabelinginstructionsof finishedproducts.PleaserefertoKDB784748D01v08, section8.Page6/7lasttwo paragraphs:

A certified modular has the option to use a permanently affixed label, or an electroniclabel.Forapermanentlyaffixedlabel,themodulemustbelabelledwith anFCCIDSection2.926(see2.2Certification(labellingrequirements)above).The OEM manual must provide clear instructions explaining to the OEM the labelling requirements,optionsandOEMusermanualinstructionsthatarerequired(seenext paragraph). Forahostusingacertifiedmodularwithastandardfixedlabel,if(1)themodule sFCCIDisnotvisiblewheninstalledinthehost,or(2)ifthehostismarketedsothat end users do not have straightforward commonly used methods for access to removethemodulesothattheFCCIDofthemoduleisvisible;thenanadditional permanentlabelreferringtotheenclosedmodule: ContainsTransmitterModule FCCID:2AC7ZESPWROOM02 orContains FCC ID:2AC7Z-ESPWROOM02 must be used.The host OEM user manual must also contain clear instructions on how end usesers canfind and/oraccessthemoduleandtheFCCID. The user manual or instruction manual for an intentional or unintentional radiatorshallcautiontheuserthatchangesormodificationsnotexpresslyapproved bythepartyresponsibleforcompliancecouldvoidtheuser'sauthoritytooperate 6 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual the equipment. In cases where the manual is provided only in a form other than paper,suchasonacomputerdiskorovertheInternet,theinformationrequiredby this section may be included in the manual in that alternative form, provided the usercanreasonablybeexpectedtohavethecapabilitytoaccessinformationinthat form. Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothe followingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2) this device must accept any interference received, including interference thatmay causeundesiredoperation. Caution:Changesormodificationsnotexpresslyapprovedbythemanufacturer couldvoidtheusersauthoritytooperatetheequipment. 2.1.3. FCC RF exposure requirements 1.Radiatedtransmitpowermustbeequaltoorlowerthanthatspecifiedinthe FCCGrantofEquipmentAuthorizationforFCCID:2AC7ZESPWROOM02. 2.TocomplywithFCCregulationslimitingbothmaximumRFoutputpowerand humanexposuretoRFradiation,maximumantennagain(includingcableloss)must notexceed:

802.11bband<2.0dBi 802.11g band<2.0dBi 802.11n band<2.0dBi 3. This module must not transmit simultaneously with any other antenna or transmitter. 4. To ensure compliance with all nontransmitter functions the host manufacturer is responsible for ensuring compliance with the module(s) installed and fully operational. For example, if a host was previously authorized as an unintentional radiator under the Declaration of Conformity procedure without a transmitter certified module and a module is added, the host manufacturer is responsibleforensuringthattheafterthemoduleisinstalledandoperationalthe host continues to be compliant with the Part 15B unintentional radiator 7 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual requirements. 8 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual 3. DownloadTools 3.1. XTCOM_UTIL Doubleclick the icon to run the download tool to download the compiled*.binfilesontotheSPIFlashontheESP8266motherboard. SetthejumperonthemotherboardasMTDO0GPIO00GPIO21,thenit willenterdownloadmode.Stepsareasfollows:

Step1:setserialport Step2:selecttherightserialportnumberandopen Step3:connect 9 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual Step4:downloadtheimagefile Step 5: select and download the bin file which you are going to burn into the flash Note:ProgramAddressOffsetvariesinaccordancewithbinfile.Forexample,the corresponding Program Address Offset for eagle.app.v6.flash.bin is 0x0000. Please refertobindirectorydescriptionsin"4.2DirectoryStructure". Step6:reconnect After completion of Step 5, reconnect ESP8266 motherboard to power. Close 10 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual serialportandrepeatStep2andStep3. Step7:selectanddownloadnextbinfilewhichyouaregoingtoburnintothe flash,forexample,eagle.app.v6.irom0text.bin. Note:thecorrespondingProgramAddressOffsetforeagle.app.v6.irom0text.bin is0x40000.Pleaserefertobindirectorydescriptionsin"4.2DirectoryStructure". Step8:closeserialport After the downloading, users can check and print relevant information with SecureCRT. SetthejumperonthemotherboardasMTDO0GPIO01GPIO21,thenit willenteroperatingsmode. Note:pleasedisconnectthepowerwhensettingthejumpers. 11 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual 3.2. ESP_FLASH_DOWNLOAD Espressif also provides the tool "ESP_FLASH_DOWNLOAD" for users to burn severalbinfilesaltogetheratonce,anddownloadseveralcomplied*.binfilesata timeintotheSPIFlashontheESP8266motherboard. ESP_FLASH_DOWNLOAD introduction 1 BinSelect Area: Choose bins to burnand burn them in corresponding address. 2 SPI FLASH CONFIG: Set config of spi flash. CombineBin merges all bins selectedabovetoone(target.bin).Defaultresettothedefaultconfig. 12 / 13Espressif SystemsJune 19, 2014 ESP8266UserManual 3 MacAddressMacaddressofESP8266. AlsosetthejumperonthemotherboardasMTDO0GPIO00GPIO21,then itwillenterdownloadmode.Stepsareasfollows:

(1) See the red boxes in the picture above, select the bin file to be burned ->fill in the path ->check burning options.

(2) Set COM port and baud rate.

(3) Click "START" to start downloading.

(4) After the downloading, disconnect the power for the motherboard, and change the jumper into operation mode. Re-connect the power for operation. Set the jumper on the motherboard as MTDO0GPIO01GPIO21 for operating mode. Note: please disconnect the power when setting the jumper. 13 / 13Espressif SystemsJune 19, 2014