ESP32C3 datasheet(3/44 Pages) ESPRESSIF

3 / 44 page

memory, external memory, and peripherals

– External memory encryption and decryption

•

Rich set of peripheral interfaces and GPIOs,

ideal for various scenarios and complex

applications

Features

WiFi

• IEEE 802.11 b/g/n-compliant

• Supports 20 MHz, 40 MHz bandwidth in 2.4

GHz band

• 1T1R mode with data rate up to 150 Mbps

• Wi-Fi Multimedia (WMM)

• TX/RX A-MPDU, TX/RX A-MSDU

• Immediate Block ACK

• Fragmentation and defragmentation

• Transmit opportunity (TXOP)

• Automatic Beacon monitoring (hardware TSF)

• 4 × virtual Wi-Fi interfaces

• Simultaneous support for Infrastructure BSS in

Station mode, SoftAP mode, Station + SoftAP

mode, and promiscuous mode

Note that when ESP32-C3 scans in Station mode,

the SoftAP channel will change along with the

Station channel

• Antenna diversity

• 802.11mc FTM

• Supports external power amplifier

Bluetooth

• Bluetooth LE: Bluetooth 5, Bluetooth mesh

• High power mode (18 dBm)

• Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps

• Advertising extensions

• Multiple advertisement sets

• Channel selection algorithm #2

• Internal co-existence mechanism between Wi-Fi

and Bluetooth to share the same antenna

CPU and Memory

• 32-bit RISC-V single-core processor, up to 160

MHz

• CoreMark® score:

– 1 core at 160 MHz: 407.22 CoreMark; 2.55

CoreMark/MHz

• 384 KB ROM

• 400 KB SRAM (16 KB for cache)

• 8 KB SRAM in RTC

• Embedded flash (see details in Chapter 1

ESP32-C3 Series Comparison)

• SPI, Dual SPI, Quad SPI, and QPI interfaces that

allow connection to multiple external flash

• Access to flash accelerated by cache

• Supports flash in-Circuit Programming (ICP)

Advanced Peripheral Interfaces

• 22 × programmable GPIOs

• Digital interfaces:

– 3 × SPI

– 2 × UART

– 1 × I2C

– 1 × I2S

– Remote control peripheral, with 2 transmit

channels and 2 receive channels

– LED PWM controller, with up to 6 channels

– Full-speed USB Serial/JTAG controller

– General DMA controller (GDMA), with 3

transmit channels and 3 receive channels

– 1 × TWAI® controller compatible with ISO

11898-1 (CAN Specification 2.0)

• Analog interfaces:

Espressif Systems

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ESP32-C3 Series Datasheet v1.1

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