ESP32-C3 datasheet(29/44 Pages) ESPRESSIF

Part #	ESP32-C3

Description	UltraLowPower SoC with RISCV SingleCore CPU

PDF	44 Pages

Scroll/Zoom	100%

Manufacturer	ESPRESSIF [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.]

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

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29 / 44 page

Functional Description

Interface

Signal

Function

SPI0/1

SPICLK_out_mux

SPICLK

Support Standard SPI, Dual SPI, Quad SPI, and

QPI that allow connection to external flash

SPICS0_out

SPICS0

SPICS1_out

Any GPIO pins

SPID_in/_out

SPID

SPIQ_in/_out

SPIQ

SPIWP_in/_out

SPIWP

SPIHD_in/_out

SPIHD

SPI2

FSPICLK_in/_out_mux

Any GPIO pins

• Master mode and slave mode of SPI, Dual

SPI, Quad SPI, and QPI

• Connection to external flash, RAM, and

other SPI devices

• Four modes of SPI transfer format

• Configurable SPI frequency

• 64-byte FIFO or GDMA buffer

FSPICS0_in/_out

FSPICS1

~5_out

FSPID_in/_out

FSPIQ_in/_out

FSPIWP_in/_out

FSPIHD_in/_out

USB Serial/JTAG

USB_D+

GPIO19

USB-to-serial converter, and USB-to-JTAG

converter

USB_D-

GPIO18

TWAI

twai_rx

Any GPIO pins

Compatible with ISO 11898-1 protocol

twai_tx

twai_bus_off_on

twai_clkout

Espressif Systems

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ESP32-C3 Series Datasheet v1.1

ESP32-C3 Datasheet(PDF) 29 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

ESP32-C3 Datasheet(HTML) 29 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

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