Data Sheet

ESP8266 Datasheet
Espressif Systems
Espressif Systems
June1,2015
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Table of Contents
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