Data Sheet
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Espressif Systems
ESP8266 Datasheet
1. General Overview 6 ..................................................................................................
1.1. Introduction 6 ..............................................................................................................
1.2. Features 7 ....................................................................................................................
1.3. Parameters 7 ...............................................................................................................
1.4. Ultra Low Power Technology 9 ..................................................................................
1.5. Major Applications 9 ..................................................................................................
2. Hardware Overview 11 ............................................................................................
2.1. Pin Definitions 11 ..........................................................................................................
2.2. Electrical Characteristics 13 ........................................................................................
2.3. Power Consumption 13 .............................................................................................
2.4. Receiver Sensitivity 14 ...............................................................................................
2.5. MCU 15 ........................................................................................................................
2.6. Memory Organization 15 ..........................................................................................
2.6.1. Internal SRAM and ROM 15 ......................................................................................
2.6.2. External SPI Flash 15 ..................................................................................................
2.7. AHB and AHB Blocks 16 ............................................................................................
3. Pins and Definitions 17 ............................................................................................
3.1. GPIO 17 .......................................................................................................................
3.1.1. General Purpose Input/Output Interface (GPIO) 17 ..............................................
Espressif Systems / August 1, 2015
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Table of Contents