Name: Arduino Nano ESP32
Brand: Arduino
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Arduino® Nano ESP32

11 / 20 Arduino® Nano ESP32 Modiﬁed: 17/07/2023

8.3 Serial Peripheral Interface (SPI)

SCK - D13

COPI - D12

CIPO - D11

CS - D10

The SPI controller is by default assigned to the pins above.

8.4 Universal Asynchronous Receiver/Transmitter (UART)

D0 / TX

D1 / RX

The UART controller is by default assigned to the the pins above.

8.5 Two Wire Automotive Interface (TWAI®)

The CAN/TWAI® controller is used to communicate with systems using the CAN/TWAI® protocol, particularly

common in the automotive industry. There are no speciﬁc pins assigned for the CAN/TWAI® controller, any free

GPIO can be used.

Please note: TWAI® is also known as the CAN2.0B, or "CAN classic". The CAN controller is NOT compatible with

CAN FD frames.

9 External Flash Memory

Nano ESP32 features a 128 Mbit (16 MB) external ﬂash, the GD25B128EWIGR (U3). This memory is connected to the

ESP32 via Quad Serial Peripheral Interface (QSPI).

The operating frequency for this IC is 133 MHz, and has a data transfer rate at up to 664 Mbit/s.

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Arduino Nano ESP32 Specifications

General