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Copyright © 2017 Espressif Inc. All rights reserved. 

About This Guide

 

This document provides the specifications for the ESP01 module. 
The document structure is as follows: 

Chapter 

Title 

Subject 

Chapter 1  Preface 

An overview of ESP01 

Chapter 2  Pin Definitions 

Device pinout and pin descriptions 

Chapter 3  Functional Description 

Description of major functional modules 

Chapter 4  Peripherals and Sensors 

Description of peripherals 

Chapter 5  Electrical Characteristics 

Electrical characteristics and specifications of ESP01 

 

Release Notes

 

 

Date 

Version  Release notes 

2017.10 

V1.0 

First release. 

 

Documentation Change Notification

 

 

 

Certification

 

 

 

Disclaimer and Copyright Notice

 

 

Содержание ESP01

Страница 1: ...tellectual property rights are granted herein The Wi Fi Alliance Member logo is a trademark of the Wi Fi Alliance Alltradenames trademarksandregisteredtrademarksmentionedinthisdocumentarepropertyofthe...

Страница 2: ...rates a rich set of peripherals ranging from capacitive touch sensors Hall sensors low noise sense amplifiers SD card interface Ethernet high speed SPI UART I2S and I2C The sleep current of the ESP32...

Страница 3: ...y 500 mA Operating temperature range 40 C 85 C Ambient temperature range Normal temperature Package size 18 0 2 mm x 19 2 0 2 mm x 3 2 0 15 mm Software Wi Fi mode Station SoftAP SoftAP Station P2P Wi...

Страница 4: ...4 25 Figure 1 ESP01 Pin layout 2 2 Pin Description ESP01 has 38 pins See pin definitions in Table 3 Table 3 Pin Definitions Name No Type Function GND 1 P Ground 3V3 2 P Power supply EN 3 I Chip enable...

Страница 5: ...2 U1RXD SWP SD3 18 I O GPIO10 SD_DATA3 SPIWP HS1_DATA3 U1TXD SCS CMD 19 I O GPIO11 SD_CMD SPICS0 HS1_CMD U1RTS SCK CLK 20 I O GPIO6 SD_CLK SPICLK HS1_CLK U1CTS SDO SD0 21 I O GPIO7 SD_DATA0 SPIQ HS1_D...

Страница 6: ...ntly if a strap ping pin is unconnected or the connected external circuit is high impendence the internal weak pull up pull down will determine the default input level of the strapping pins To change...

Страница 7: ...luding Flash Encryption and Chip ID 3 2 External Flash and SRAM ESP32 supports up to four 16 MB of external QSPI flash and SRAM with hardware encryption based on AES to protect developers programs and...

Страница 8: ...Hibernation mode Sleep Patterns Association sleep pattern The power mode switches between the Active mode Modem and Light sleep mode during this sleep pattern The CPU Wi Fi and radio are woken up at...

Страница 9: ...hen the system works in the ULP sensor monitored pattern the ULP co processor works with the ULP sensor periodically ADC works with a duty cycle of 1 so the power consumption is 100 A Power mode Descr...

Страница 10: ...DC2_CH6 IO14 ADC2_CH7 IO27 ADC2_CH8 IO25 ADC2_CH9 IO26 Ultra Low Noise Analog Pre Amplifier SENSOR_VP IO36 Provides about 60 dB gain by using larger capacitors on PCB SENSOR_VN IO39 DAC DAC_1 IO25 Two...

Страница 11: ...0 2 PWM0_SYNC_IN0 2 PWM1_SYNC_IN0 2 LED PWM ledc_hs_sig_out0 7 Any GPIOs 16 independent channels 80 MHz clock RTC CLK Duty accuracy 16 bits ledc_ls_sig_out0 7 UART U0RXD_in Any GPIOs Two UART devices...

Страница 12: ...S0I_V_SYNC I2S0I_H_ENABLE I2S0O_BCK_out I2S0O_WS_out I2S0I_BCK_out I2S0I_WS_out I2S0O_DATA_out0 23 I2S1I_DATA_in0 15 I2S1O_BCK_in I2S1O_WS_in I2S1I_BCK_in I2S1I_WS_in I2S1I_H_SYNC I2S1I_V_SYNC I2S1I_H...

Страница 13: ..._out Any GPIOs Standard SPI consists of clock chip select MOSI and MISO These SPIs can be connected to LCD and other external devices They support the following features both master and slavemodes 4...

Страница 14: ...l Pin Function SDIO Slave SD_CLK IO6 SDIO interface that conforms to the industry standard SDIO 2 0 card specification SD_CMD IO11 SD_DATA0 IO7 SD_DATA1 IO8 SD_DATA2 IO9 SD_DATA3 IO10 EMAC EMAC_TX_CLK...

Страница 15: ...voltage VIH 0 75 VIO 1 VIO 1 0 3 V Input leakage current IIL 50 nA Input pin capacitance Cpad 2 pF Output low voltage VOL 0 1 VIO 1 V Output high voltage VOH 0 8 VIO 1 V Maximum output drive capabili...

Страница 16: ...susceptible d en compromettre le fonctionnement This equipment complies with IC RSS 102 radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and oper...

Страница 17: ...manual Original texts as following For Class B Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits ar...

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