2.2. Schematics
ESP8266EX is very highly integrated SoC which encapsulates Transilica LX106 core$processor, RAM,
RF components and allow WiFi TCP/IP stack to be implemented on board with just few components
beside ESP8266. The chipset also incorporates built-in self-calibration to compensate for
performance errors, improving the modulation accuracy and stability of wireless communications.
High integration level of this chipset tremendously decreases the number of components used in
peripheral circuit design. Beside ESP8266EX, only a number of less than 10 resistors and capacitors,
one crystal oscillator, and one SPI Flash is needed to make a complete module with wireless
communication capability. A detailed description of ESP8266EX schematics and layout design are
illustrated here.
The complete circuit diagram of ESP8266EX is illustrated in Figure 3:
Figure 3 ESP8266EX Schematics
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