ESP32 datasheet(63/64 Pages) ESPRESSIF

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Revision History

Date

Version

Release notes

2017.08

V1.7

• Changed the transmitting power to +12 dBm; the sensitivity of NZIF receiver

to -97 dBm in Section 1.3;

• Added a note to Table 1 Pin Description;

• Added 160 MHz clock frequency in section 3.1.1;

• Changed the transmitting power from 21 dBm to 20.5 dBm in Section 3.5.1;

• Changed the dynamic control range of class-1, class-2 and class-3 transmit

output powers to ”up to 24 dBm”; and changed the dynamic range of NZIF

receiver sensitivity to ”over 97 dB” in Section 3.6.1;

• Updated Table 6: Power Consumption by Power Modes, and added two

notes to it;

• Updated sections 4.1.1, 4.1.9;

• Updated Table 11: Absolute Maximum Ratings;

• Updated Table 15: RF Power Consumption Specifications, and changed the

duty cycle on which the transmitters’ measurements are based by 50%.

• Updated Table 16: Wi-Fi Radio Characteristics and added a note on “Output

impedance” to it;

• Updated parameter ”Sensitivity” in Table 17, 19, 21;

• Updated parameters ”RF transmit power” and ”RF power control range”,

and added parameter ”Gain control step” in Table 18, 20, 22;

• Deleted Chapters: ”Touch Sensor” and ”Code Examples”;

• Added a link to certification download.

2017.06

V1.6

Corrected two typos:

• Changed the number of external components to 20 in Section 1.1.2;

• Changed the number of GPIO pins to 34 in Section 4.1.1.

2017.06

V1.5

• Changed the power supply range in Section: 1.4.1 CPU and Memory;

• Updated the note in Section 2.3: Power Scheme;

• Updated Table 11: Absolute Maximum Ratings;

• Changed the drive strength values of the digital output pins in Note 8, in

Table 24: Notes on ESP32 Pin Lists;

• Added the option to subscribe for notifications of documentation changes.

2017.05

V1.4

• Added a note to the frequency of the external crystal oscillator in Section

1.4.2: Clocks and Timers;

• Added a note to Section 2.4: Strapping Pins;

• Updated Section 3.7: RTC and Low-Power Management;

• Changed the maximum driving capability from 12 mA to 80 mA, in Table 11:

Absolulte Maximum Ratings;

• Changed the input impedance value of 50Ω, in Table 16: Wi-Fi Radio Char-

acteristics, to output impedance value of 30+j10 Ω;

• Added a note to No.8 in Table 24: Notes on ESP32 Pin Lists;

• Deleted GPIO20 in Table IO_MUX.

2017.04

V1.3

• Added Appendix: ESP32 Pin Lists;

• Updated Table: Wi-Fi Radio Characteristics;

• Updated Figure: ESP32 Pin Layout (for QFN 5*5).

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