Data Sheet

3 | P a g e Espressif Systems Oct 12, 2013
ESP8266 802.11bgn Smart Device
Table of Contents
1 INTRODUCTION 4
2 TECHNOLOGY OVERVIEW 5
3 FEATURES 6
4 APPLICATION DIAGRAM 7
5 ULTRA LOW POWER TECHNOLOGY 8
5.1 HIGHEST LEVEL OF INTEGRATION 8
6 ESP8266 APPLICATIONS 9
7 SPECIFICATIONS 10
7.1 CURRENT CONSUMPTION 10
7.2 RF PERFORMANCE 11
8 CPU, MEMORY AND INTERFACES 12
8.1 CPU 12
8.2 MEMORY CONTROLLER 12
8.3 AHB AND AHB BLOCKS 12
8.4 INTERFACES 13
8.4.1 Master SI / SPI Control (Optional) 13
8.4.2 General Purpose IO 14
8.4.3 Digital IO Pads 14
9 FIRMWARE & SOFTWARE DEVELOPMENT KIT 16
9.1 FEATURES 16
10 POWER MANAGEMENT 18
11 CLOCK MANAGEMENT 19
11.1 HIGH FREQUENCY CLOCK 19
11.2 EXTERNAL REFERENCE REQUIREMENTS 20
12 RADIO 21
12.1 CHANNEL FREQUENCIES 21
12.2 2.4GHZ RECEIVER 21
12.3 2.4GHZ TRANSMITTER 22
12.4 CLOCK GENERATOR 22
APP. QFN32 PACKAGE DRAWING 23