Data Sheet
Table Of Contents
- 1.General Overview
- 1.1.Introduction
- 1.2.Features
- 1.3.Parameters
- 1.4.Ultra Low Power Technology
- 1.5.Major Applications
- 2.Hardware Overview
- 3.Pins and Definitions
- 3.1.GPIO
- 3.2.Secure Digital Input/Output Interface (SDIO)
- 3.3.Serial Peripheral Interface (SPI/HSPI)
- 3.4.Inter-integrated Circuit Interface (I2C)
- 3.5.I2S
- 3.6.Universal Asynchronous Receiver Transmitter (UART)
- 3.7.Pulse-Width Modulation (PWM)
- 3.8.IR Remote Control
- 3.9.ADC (Analog-to-digital Converter)
- 3.10.LED Light and Button
- 4.Firmware & Software Development Kit
- 5.Power Management
- 6.Clock Management
- 8.FCC Warming Statement
- This device complies with part 15 of the FCC Rules
- (1)This device may not cause harmful interference,
- (2)and this device must accept any interference re
- FCC Radiation Exposure Statement:
- This equipment complies with FCC radiation exposur
- Information to the user.
- Note: This equipment has been tested and found to
- -Reorient or relocate the receiving antenna.
- -Increase the separation between the equipment and
- -Connect the equipment into an outlet on a circuit
- -Consult the dealer or an experienced radio/TV tec
- 9.Appendix: QFN32 Package Size
ESP8266 Datasheet
Espressif Systems
Espressif Systems
June1,2015
7
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32
Categories
Items
Values
WiFi Paramters
Certificates
FCC/CE/TELEC/SRRC
WiFi Protocles
802.11 b/g/n
Frequency Range
2.4G-2.5G (2400M-2483.5M)
Tx Power
802.11 b: +20 dBm
802.11 g: +17 dBm
802.11 n: +14 dBm
Rx Sensitivity
802.11 b: -91 dbm (11 Mbps)
802.11 g: -75 dbm (54 Mbps)
802.11 n: -72 dbm (MCS7)
Types of Antenna
PCB Trace, External, IPEX Connector,
Ceramic Chip
Hardware
Paramaters
Peripheral Bus
UART/SDIO/SPI/I2C/I2S/IR Remote Control
GPIO/PWM
Operating Voltage
3.0~3.6V
Operating Current
Average value: 80mA
Operating Temperature Range
-40°~125°
Ambient Temperature Range
Normal temperature
Package Size
5x5mm
External Interface
N/A
Software
Parameters
WiFi mode
station/softAP/SoftAP+station
Security
WPA/WPA2
Encryption
WEP/TKIP/AES
Firmware Upgrade
UART Download / OTA (via network)
Ssoftware Development
Supports Cloud Server Development / SDK
for custom firmware development
Network Protocols
IPv4, TCP/UDP/HTTP/FTP