ESP-12S User Manual-revised

FCC ID: 2AHMR-ESP12S

Users Manual

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FCCID_3087407

ESP—128 User Manual REV:1.0 2016.7

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ESP-12S User Manual Table Of Contents 1. Preambles ............................................................................................................................................................... 2 1.1. Features ............................................................................................................................................... 3 1.2. Parameters ........................................................................................................................................... 4 2. Pin Descriptions...................................................................................................................................................... 5 2.1. Interfaces ............................................................................................................................................. 6 2.2. Pin Mode.............................................................................................................................................. 8 2.3. Antenna interface ................................................................................................................................ 8 3. Package information and OEM installation method ............................................................................................. 9 3.1. Package information .......................................................................................................................... 10 3.2. OEM installation mathod ................................................................................................................... 10 4. Absolute Maximum Ratings ................................................................................................................................ 11 4.1Recommended Operating Conditions ......................................................................................................... 11 4.2.AT commend Testing................................................................................................................................... 11 4.3.AT commend ............................................................................................................................................... 12 4.3.1.AT Command Description ........................................................................................................................ 12 4.3.2.Basic AT Command Set ............................................................................................................................ 12 Shenzhen Ai-Thinker Technology Co., Ltd http://www.ai-thinker.com 1

ESP—128 User Manual 1. Preambles ESP—125 WiFi module is developed by Al—Thinker Co.,Ltd, core processor ESP8266 in smaller sizes of the module encapsulates Tensilica 1106 integrates industry—Leading ultra low power 32—bit MCU micro, with the 16—bit short mode, clock speed support 80 MHz, 160 MHz, supports the RTOS, integrated Wi—Fi MAC/BB/RF/PA/INA, on—board antennas. The module supports standard IEEES02.11 b/g/n agreement, complete TCP/IP protocol stack. Users can use the add modules to an existing device networking, or building a separate network controller ESPE2GG is high integration wireless SOCs, designed for space and power constrained mobile platform designers. It provides unsurpassed ability to embed Wi—Fi capabilities within other systems, or to function as a standalone application, with the lowest cost, and minimal space requirement. ; EP ; ced ) ar Analog wo Interface i mave |_| i$\ ) O $ P se ij <—|| &—)| c Puu Costl Blas crouts sham Pau Figure 1. ESP3266EX Functional Block Diagram ESPE26GEX offers a complete and self—contained Wi i networking solution; it can be used to host the application or to offload Wi—Fi networking functions from another application processor. When ESP2GGEX hosts the application, it boots up directly from an external flash. In has integrated cache to improve the performance of the system in such applications. Alternately, serving as a Wi—Fi adapter, wireless internet access can be added to any micro controllerbased design with simple connectivity (SPY/SDIO or I2C/UART interface}. ESP2GGEX is among the most integrated WiFi chip in the industry; it integrates the antenna switches, RF balun, power amplifier, low noise receive amplifier, filters, power management modules, it requires minimal external circuitry, and the entire solution, including front—end module, is designed to occupy minimal PCB area. ESP2GGEX also integrates an enhanced version of Tensilica‘s L106 Diamond series 32—bit processor, with on—chip SRAM, besides the Wi—Fi functionalities. ESP826GEX is often integrated with external sensors and other application specific devices through its GPIOs; codes for such applications are provided in examples in the SDK. Shenzhen Ai—Thinker Technology Co., Ltd http://mm. ai~thinker. com 2

ESP-12S User Manual 1.1. Features • 802.11 b/g/n • Integrated low power 32-bit MCU • Integrated 10-bit ADC • Integrated TCP/IP protocol stack • Integrated TR switch, balun, LNA, power amplifier and matching network • Integrated PLL, regulators, and power management units • Supports antenna diversity • Wi-Fi 2.4 GHz, support WPA/WPA2 • Support STA/AP/STA+AP operation modes • Support Smart Link Function for both Android and iOS devices • SDIO 2.0, (H) SPI, UART, I2C, I2S, IRDA, PWM, GPIO • STBC, 1x1 MIMO, 2x1 MIMO • A-MPDU & A-MSDU aggregation and 0.4s guard interval • Deep sleep power <10uA, Power down leakage current < 5uA • Wake up and transmit packets in < 2ms • Standby power consumption of < 1.0mW (DTIM3) • +20dBm output power in 802.11b mode • Operating temperature range -40C ~ 85C Shenzhen Ai-Thinker Technology Co., Ltd http://www.ai-thinker.com 3

ESP-12S User Manual 1.2. Parameters Table 1 below describes the major parameters. Table 1 Parameters Categories Items Values WiFi Protocles 802.11 b/g/n WiFi Paramters Frequency Range 2.4GHz-2.5GHz (2400M-2483.5M) UART/HSPI/I2C/I2S/Ir Remote Contorl Peripheral Bus GPIO/PWM Operating Voltage 3.3V Operating Current Average value: 80mA Hardware Paramaters Operating Temperature Range -40°~125° Ambient Temperature Range Normal temperature Package Size 18mm*20mm*3mm External Interface N/A Wi-Fi mode station/softAP/SoftAP+station Security WPA/WPA2 Encryption WEP/TKIP/AES UART Download / OTA (via network) / Firmware Upgrade Software download and write firmware via host Parameters Supports Cloud Server Development / SDK Ssoftware Development for custom firmware development IPv4, TCP/UDP/HTTP/FTP Network Protocols User Configuration AT Instruction Set, Cloud Server, Android/iOS APP Shenzhen Ai-Thinker Technology Co., Ltd http://www.ai-thinker.com 4

ESP—125 User Manual 2. Pin Descriptions There are altogether 16 pin counts, the definitions of which are described in Table 2 below. Figure 2 ESP—125 pinout ol iv=] 74)°] ol Chial 4/=] 6 B 7A |®| 8 0 Table 2 ESP—125 pin description Pin number Pin name function 1 RST Reset module 2 ADC A/d conversion result. Input voltage range O~1V, value range: 0~1024 3 EN Chip enable pin. Active high 4 GPIO16 GPIO16; can be used to wake up the chipset from deep sleep mode 5 GPIO14 GPIO14; HSPI_CLK 6 GPIO12 GPIO12; HSPI_MISO 7 GPIO13 GPIO13; HSPI_MOSI; UARTO_CTS 8 VvCC 3.3V power supply (VDD) Shenzhen Ai—Thinker Technology Co., Ltd http://www. ai—thinker. com

ESP-12S User Manual 9 GND GND 10 GPIO15 GPIO15; MTDO; HSPICS; UART0_RTS 11 GPIO2 GPIO2; UART1_TXD 12 GPIO0 GPIO0 13 GPIO4 GPIO4 14 GPIO5 GPIO5 15 RXD0 UART0_RXD; GPIO3 16 TXD0 UART0_TXD; GPIO1 2.1. Interfaces Table 3 Descriptions of Interfaces Interface Pin Name Description IO12(MISO), IO13(MOSI) SPI Flash , display screen, and MCU can be connected using HSPI HSPI IO14(CLK), interface IO15(CS) Currently the PWM interface has four channels, but users can extend IO12(R), the channels according to their own needs. PWM interface can be PWM IO15(G), used to control LED lights, buzzers, relays, electronic machines, and IO13(B) so on. The functionality of Infrared remote control interface can be IR Remote IO14(IR_T), implemented via software programming. NEC coding, modulation, Control IO5(IR_R) and demodulation are used by this interface. The frequency of modulated carrier signal is 38KHz. ESP8266EX integrates a 10-bit analog ADC. It can be used to test the power supply voltage of VDD3P3 (Pin3 and Pin4) and the input ADC TOUT power voltage of TOUT (Pin 6). However, these two functions cannot be used simultaneously. This interface is typically used in sensor Shenzhen Ai-Thinker Technology Co., Ltd http://www.ai-thinker.com 6

ESP-12S User Manual products. I2C IO14(SCL), I2C interface can be used to connect external sensor products and IO2(SDA) display screens, etc. Devices with UART interfaces can be connected with the module. Downloading: U0TXD+U0RXD or GPIO2+U0RXD Communicating: UART0: U0TXD, U0RXD, MTDO (U0RTS), MTCK UART0: (U0CTS) TXD(U0TXD), Debugging: UART1_TXD (GPIO2) can be used to print debugging RXD(U0RXD), information. UART IO15(RTS), By default, UART0 will output some printed information when the IO13(CTS) device is powered on and is booting up. If this issue exerts influence UART1: on some specific applications, users can exchange the inner pins of IO2(TXD) UART when initializing, that is to say, exchange U0TXD, U0RXD with U0RTS, U0CTS. I2S Input： IO12 (I2SI_DATA) ; IO13 (I2SI_BCK ); IO14 (I2SI_WS); I2S interface is mainly used for collecting, processing, and I2S I2S Output:： transmission of audio data. IO15 (I2SO_BCK ); IO3 (I2SO_DATA); IO2 (I2SO_WS ). Shenzhen Ai-Thinker Technology Co., Ltd http://www.ai-thinker.com 7

ESP-12S User Manual 2.2. Pin Mode Table 4 Pin Mode Mode GPIO15 GPIO0 GPIO2 UART low low high Flash Boot low high high 2.3. Antenna interface ESP-12S Modules through the IPEX interface to connect to external antenna. The antenna must be in line with the 802.11g/802.11b IEEE standard, and the antenna parameters are shown in the following table： Table 5 Antenna parameters Rating Value Frequency range 2.4~2.4825GHz Impedance 50Ω Shenzhen Ai-Thinker Technology Co., Ltd http://www.ai-thinker.com 8

ESP—128 User Manual 3. Package information and OEM installation method The external size of theESP—125 WiFi module is 16mm*17mm*3mm, as is illustrated in Figure 4 below: Figure 3 Top View of ESP—07s WiFi Module EsPp—A2$ | ceo8a0 ,E8PT @ F&%flwfi Figure 4 Dimensions of ESP—12S WiFi Module r [ mm = 4 B2 n m < Table 5 Dimensions of ESP—12S WiFi Module Length width Height PAD Size(Bottom) Pin Pitch 16mm 17/mm 3 mm 1 mm x 1.2 mm 2mm Shenzhen Ai—Thinker Technology Co., Ltd http://www. ai—thinker. com

ESP—12S User Manual 3.1. Package information ESP—1258 use a half hole patch package, Module PCB Footprint shown in the following figure: Figure 5 Module PCB Footprint |‘—1 6mm _’I 18. 6mm 2mm 1.1mm 3.2. OEM installation mathod Using ESP—12S module Please reference in front of the package information in the Layout on the main board for OEM factory .Please pay more attention Module‘s direction and the antenna close to the edge of board is better the Components and layout should not be on the bottom of antenna then soldering the module.when the module be soldering can not in the environment of high temperature We recommend the reflow soldering temperature curves is shown in figure 6: Figure 6 Recommend reflow soldering temperature curves Refer to IPC/JEDEC standard: Peak Temperature <250°C ; Number of Times: 52 times : Shenzhen Ai—Thinker Technology Co., Ltd http://www. ai—thinker. com 10

ESP—128 User Manual 4. Absolute Maximum Ratings Table 6 Absolute Maximum Ratings Rating Condition Value Unit Storage Temperature 40 to 125 °C Maximum Soldering Temperature 260 °C Supply Voltage IPC/JEDEC J—STD—020 +3.0 to +3.6 v 4.1Recommended Operating Conditions Table 7 Recommended Operating Conditions Operating Condition Symbol Min Typ Max Unit Operating Temperature 40 20 125 °C Supply voltage vDD 3.0 3.3 3.6 v 4.2.AT commend Testing 1.Hardware connection As shown in Figure 7, ESP—125 via a USB to TTL Tool connected to the computer, software tool through the serial port on the computer can be AT instruction test Figure 7 ESP—125 connect with computer (Sy Padecendes Ls En RX Tois in hou use to tri| USB Port Tor2 l Tors e vee Shenzhen Ai—Thinker Technology Co., Ltd http : //ww. ai—thinker. com 11

ESP—128 User Manual 4.3.AT commend Espressif AT instruction set functions and methods of use AT commands set is divided into: Basic AT commands, WiFi related AT commands, TCP / IP AT 4.3.1.AT Command Description Table 8 Each Command set contains four types of AT commands. Type Command Format DescriPtion Query the Set command or internal parameters and its Test ATrex>=? V range values. P Query AT+<x>? Returns the current value of the parameter. Set the value of user—defined parameters in commands and Set AT+<x>=<...> run. Execute AT+<x> Runs commands with no user—defined parameters. Notes: 1. Not all AT Command has four commands. 2. [] = default value, not required or may not appear 3. String values require double quotation marks, for example: AT+CWSAP="ESP756290®,"21030826",1,4 4. Baudrate = 115200 5. AT Commands has to be capitalized, and end with "/r/n" 4.3.2.Basic AT Command Set The ESP8266 wireless WiFi modules can be driven via the serial interface using the standard AT commands. Here is a list of some basic AT commands that can be used. Shenzhen Ai—Thinker Technology Co., Ltd http ://wiw. al—thinker. com 12

ESP—128 User Manual Table® basic AT commands Basic Command Description AT Test AT startup AT+RST Restart module AT+GMR View version info AT+GSLP Enter deep—sleep mode ATE AT commands echo or not AT+RESTORE Factory Reset AT+UART UART configuration, [@deprecated] AT+UART_CUR UART current configuration AT+UART_DEF UART default configuration, save to flash AT+SLEEP Sleep mode AT+RFPOWER Set maximum value of RF TX Power AT+RFVDD Set RF TX Power according to VDD33 AT —Test AT startup The type of this command is "executed". It‘s used to test the setup function of your wireless WiFi module. AT — Test AT startup Response OK Parameters null Shenzhen Al—Thinker Technology Co., Ltd http: //ma. ai—thinker. com 13

ESP—128 User Manual AT+RST — Restart module The type of this command is "executed". It‘s used to restart the module. AT+RST — Restart module Response OK Parameters null AT+GMR — View version info This AT command is used to check the version of AT commands and SDK that you are using, the type of which is "executed". AT+GMR — View version info <AT version info> <SDK version info> Response <compile time> OK <AT version info> information about AT version Parameters <SDK version info> information about SDK version <compile time> time of the bin was compiled AT+GSLP — Enter deep—sleep mode This command is used to invoke the deep—sleep mode of the module, the type of which is "set". A minor adjustment has to be made before the module enter this deep sleep mode, ie., connect XPD_DCDC with EXT_RSTB via OR. Shenzhen Al—Thinker Technology Co., Ltd http: //nm. al—thinker. con 14

ESP—128 User Manual AT+GSLP=<time> <time> Response OK p t The time unit of <time> is ms. arameters £5P8266 will wake up after deep sleep <time> ms. ATE— AT commands echo This command ATE is an AT trigger command echo. it means that entered commands can be echoed back to the sender when ATE command is used. Two parameters are possible. The command returns "OK" in normal cases and "ERROR" when a parameter othe~ than 0 or 1 was specified. ATE — AT commands echo Response OK ATEO: Switch echo off Parameters ATE1: Switch echo on AT+RESTORE — Factory reset This command is used to reset all parameters saved in flash (according to appendix), restore the factory default settings of the module. The chip will be restarted when this command is executed. AT+RESTORE — Factory reset Response OK Restore factory default settings. Notes The chip will restart. Detailed instruction test, please refer to the Esp8266 AT Inscruction Set, can be downloaded to shun official website» Shenzhen Ai—Thinker Technology Co., Ltd http: //ma. ai—thinker. com 15


Document Created: 2016-08-01 14:00:21
Document Modified: 2016-08-01 14:00:21
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