esp8266 ESP8266EX WIFI Chips CE & ROHS & FS WIFI CHIP

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US $1.8-2.8 / Pieces | 2 Piece/Pieces wifi chip price ESP8266EX (Min. Order)
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esp8266 Chips
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Guangdong, China (Mainland)
esp8266 ESP8266EX Chips
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Operating Current:
Average value: 80mA
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10000000 Piece/Pieces per Week wifi chip price ESP8266EX
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esp8266 ESP8266EX WIFI Chips CE & ROHS & FS WIFI CHIP
ESP8266EX,WIFI chip,wifi chip price esp8266
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Product Description
ESP8266EX offers a complete and self-contained WiFi networking solution; it can be used to host the application or to offload WiFi networking functions from another application processor.
When ESP8266EX 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 WiFi adapter, wireless internet access can be added to any micro controller- based design with simple connectivity (SPI/SDIO or I2C/UART interface).
ESP8266EX 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.
ESP8266EX also integrates an enhanced version of Tensilica’s L106 Diamond series 32-bit processor, with on-chip SRAM, besides the WiFi functionalities. ESP8266EX is often integrated with external sensors and other application specific devices through its GPIOs; sample codes for such applications are provided in the software development kit (SDK).
• 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
•WiFi 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, IR Remote Control, PWM, GPIO
•STBC, 1x1 MIMO, 2x1 MIMO
•A-MPDU & A-MSDU aggregation & 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)
• +20 dBm output power in 802.11b mode
•Operating temperature range -40C ~ 125C
•FCC, CE, TELEC, WiFi Alliance, and SRRC certified
Ultra Low Power Technology:
ESP8266EX has been designed for mobile, wearable electronics and Internet of Things applications with the aim of achieving the lowest power consumption with a combination of several proprietary techniques. The power saving architecture operates mainly in 3 modes: active mode, sleep mode and deep sleep mode.
By using advance power management techniques and logic to power-down functions not required and to control switching between sleep and active modes, ESP8266EX consumes about than 60uA in deep sleep mode (with RTC clock still running) and less than 1.0mA (DTIM=3) or less than 0.5mA (DTIM=10) to stay connected to the access point.
When in sleep mode, only the calibrated real-time clock and watchdog remains active. The real-time clock can be programmed to wake up the ESP8266EX at any required interval.
The ESP8266EX can be programmed to wake up when a specified condition is detected. This minimal wake-up time feature of the ESP8266EX can be utilized by mobile device SOCs, allowing them to remain in the low-power standby mode until WiFi is needed.
In order to satisfy the power demand of mobile and wearable electronics, ESP8266EX can be programmed to reduce the output power of the PA to fit various application profiles, by trading off range for power consumption.
Major Application:
•Home Appliances
•Home Automation
•Smart Plug and lights
•Mesh Network
•Industrial Wireless Control
•Baby Monitors
•IP Cameras
•Sensor Networks
•Wearable Electronics
•WiFi Location-aware Devices
•Security ID Tags
•WiFi Position System Beacons
ESP8266EX is embedded with Tensilica L106 32-bit micro controller (MCU), which features extra low power consumption and 16-bit RSIC. The CPU clock speed is 80MHz. It can also reach a maximum value of 160MHz. Real Time Operation System (RTOS) is enabled. Currently, only 20% of MIPS has been occupied by the WiFi stack, the rest can all be used for user application programming and development. The following interfaces can be used to connect to the MCU embedded in ESP8266EX:
•Programmable RAM/ROM interfaces (iBus), which can be connected with memory controller, and can also be used to visit external flash;
•Data RAM interface (dBus), which can connected with memory controller;
•AHB interface, can be used to visit the register.
Internal SRAM and ROM:
ESP8266EX WiFi SoC is embedded with memory controller, including SRAM and ROM. MCU can visit the memory units through iBus, dBus, and AHB interfaces. All memory units can be visited upon request, while a memory arbiter will decide the running sequence according to the time when these requests are received by the processor.
According to our current version of SDK provided, SRAM space that is available to users is assigned as below:
•RAM size < 36kB, that is to say, when ESP8266EX is working under the station mode and is connected to the router, programmable space accessible to user in heap and data section is around 36kB.)
•There is no programmable ROM in the SoC, therefore, user program must be stored in an external SPI flash.
External SPI Flash:
An external SPI flash is used together with ESP8266EX to store user programs. Theoretically speaking, up to 16 Mbyte memory capacity can be supported.
Suggested SPI Flash memory capacity:
•OTA is disabled: the minimum flash memory that can be supported is 512 kByte;
•OTA is enabled: the minimum flash memory that can be supported is 1 Mbyte.
Several SPI modes can be supported, including Standard SPI, Dual SPI, DIO SPI, QIO SPI, and Quad SPI.
Therefore, please choose the correct SPI mode when you are downloading into the flash, otherwise firmwares/programs that you downloaded may not work in the right way.

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