Espressif ESP8266 Series - ESP8266 EX Specifications

ESP8266EX
Figure 1-1: ESP8266EX Block Diagram
1.2.
Specifications
RF balun
Switch
RF
receive
RF
transmit
Analog
receive
Analog
transmit
PLL VCO 1/2 PLL
Digital baseband
MAC Interface
PMU Crystal Bias circuits SRAM PMU
SDIO
I2C
PWM
ADC
SPI
UART
GPIO
I2S
Flash
Registers
CPU
Sequencers
Accelerator
Table 1-1: ESP8266EX Specifications
Categories
Items
Parameters
Wi-Fi
Standard
CCC / FCC / CE / TELEC / SRRC
Protocols
802.11 b/g/n
Frequency Range
2.4 G ~ 2.5 G (2400 M ~ 2483.5 M)
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)
Antenna
PCB on-board, external, IPEX connector, ceramic chip
Hardware
Peripheral interface
UART / SDIO / SPI / I2C / I2S / IR Remote Control
GPIO / PWM
Operating voltage
3.0 V ~ 3.6 V
Operating current
Average: 80mA
Operating
temperature range
-40 ℃ ~ 125 ℃
Storage temperature
range
-40 ℃ ~ 125 ℃
Espressif
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2016.06