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Showing content from https://github.com/SmartArduino/SZDOITWiKi/wiki/ESP8285---ESP-M2 below:

ESP8285 ESP M2 · SmartArduino/SZDOITWiKi Wiki · GitHub

The WiFi module ESP-M is manufactured by using a high-performance chip ESP8285. This small chip is encapsulated an enhanced Tensilica’s L106 diamond series 32-bit kennel CPU with a SRAM. Thus, ESP8285 has the complete function Wi-Fi function; it not only can be applied independently, but can be used as a slaver working with other host CPU. When ESP8285 is applied as a slaver, it can start from the onboard Flash. The built-in high-speed buffer is not only benefit to improve the system performance, but optimize the store system. In addition, ESP8285 can be used as Wi-Fi adapter by SPI/SDIO or I2C/UART interface, when it is applied to other MCU design. The ESP-M module supports the standard IEEE802.11 b/g/n/e/i protocol and the complete TCP/IP protocol stack. User can use it to add the WiFi function for the installed devices, and also can be viewed as a independent network controller. Anyway, ESP-M module provides many probabilities with the best price.

• SOC characteristics
• Built-in Tensilica L106 ultra-low power consumption 32-bit cpu, the main frequency can be 80MHz and 160MHz, also support RTOS;
• Built-in TCP/IP protocol stack;
• Built-in 1 channel 10-bit high precision ADC;
• The outside interfaces have HSPI, UART, I2C, I2S, IR Remote Control, PWM, GPIO;
• The deep-sleep current is about 10uA, and the cut-off current is smaller than 5uA;
• Can be wake-up within 2 ms, and connect to transmit data package;
• the consume power is smaller than 1.0mW (DTIM3) when at standby status;
• built-in 1M byte for SPI Flash.
• Wi-Fi characteristics
• Support 802.11 b/g/n/e/i
• Support three modes: Station, SoftAP, and SoftAP+STA;
• Support Wi-Fi Direct(P2P);
• Support hardware acceleration for CCMP (CBC-MAC, computation mode), TKIP (MIC, RC4), WAPI(SMS4), WEP(RC4), CRC;
• P2P find, P2P GO mode/GC mode and P2P power management;
• WPA/PA2 PSK and WPS;
• Support 802.11 i security: pre-certification and TSN;
• Support 802.11n (2.4 GHz);
• 802.1h/RFC1042 frame encapsulation;
• Support seamless roam;
• Support AT remote updation and cloud OTA updation;
• Support SmartConfig function for Android and iOS device SmartConfig.

• 2*UART;
• 1*En;
• 1*ADC;
• 1*wakeup pin;
• 1*HSPI;
• 1*I2C;
• 1*I2S;
• MAX 10* GPIOs;
• Working temperature: -40℃-125℃
• Module size:
• 12.3mm15mm; (M1 version)
• 12.3mm20mm; (M2 version)

• Serial Transparent transmission;
• Smart power plug/Smart LED light;
• Sensor networks;
• Wearable electronics;
• Securit ID label;
• Wireless location recognition;
• Wireless location system beacon;
• Industrial wireless control.
• WiFi prober;
• Mesh networks;

• user manual

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