DFR0654 datasheet(9/122 Pages) DFROBOT

Part #	DFR0654

Description	Compatible with DFRobot FireBeetle V2 Series

PDF	122 Pages

Scroll/Zoom	100%

Manufacturer	DFROBOT [DFROBOT]

Direct Link	https://www.dfrobot.com/

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9 / 122 page

2023/10/12 11:00

FireBeetle_Board_ESP32_E_SKU_DFR0654-DFRobot

https://wiki.dfrobot.com/FireBeetle_Board_ESP32_E_SKU_DFR0654

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GPIO 18

18/SCK

Used as input or

output

SPI_SCK

GPIO 19

19/MISO

Used as input or

output

SPI_MISO

GPIO 21

21/SDA

Used as input or

output

I2C_SDA

GPIO 22

22/SCL

Used as input or

output

I2C_SCL

GPIO 23

23/MOSI

Used as input or

output

SPI_MOSI

GPIO 25

25/D2

Used as input or

output

ADC2_CH8

DAC_1（Range: 0-255; Output Voltage: 0-3.3V）

GPIO 26

26/D3

Used as input or

output

ADC2_CH9

DAC_2（Range: 0-255; Output Voltage: 0-3.3V）

GPIO 34

34/A2

Used as input only

ADC1_CH6

GPIO 35

35/A3

Used as input only

ADC1_CH7

GPIO 36

36/A0

Used as input only

GPIO 39

39/A1

Used as input only

Note:

It is recommended not to multiplex the pin IO0/D5, IO1/TXD and IO3/RX since they will be occupied when using USB-related function.

The USB related circuit design is shown below:

DFR0654 Datasheet(PDF) 9 Page - DFROBOT

DFR0654 Datasheet(HTML) 9 Page - DFROBOT

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