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Espressif ESP01, Quick Start Manual

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Espressif ESP01 Quick Start Manual Download Page 12

4. PERIPHERALS AND SENSORS 

 

 

 

Interface 

Signal 

Pin 

Function 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I2S 

I2S0I_DATA_in0

~

15 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Any GPIOs* 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stereo input and output from/to the audio 
codec, and parallel LCD data output 

I2S0O_BCK_in 
I2S0O_WS_in 
I2S0I_BCK_in 
I2S0I_WS_in 
I2S0I_H_SYNC 
I2S0I_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_ENABLE 
I2S1O_BCK_out 
I2S1O_WS_out 
I2S1I_BCK_out 
I2S1I_WS_out 
I2S1O_DATA_out0

~

23 

Remote Controller 

RMT_SIG_IN0

~

7 

Any GPIOs* 

Eight channels of IR transmitter and 
receiver for various waveforms 

RMT_SIG_OUT0

~

7 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11 

ESP01 Datasheet V1.0 

Summary of Contents for ESP01

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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