ESP32-C3ESP32-S2ESP32ESP8285ESP8266
DescriptionESP32-C3 is pin-compatible with ESP8266. It has a single core RISC-V 32-bit CPU @160 MHz and includes 400 kB of SRAM and 384 kB of flash built-in.The ESP8285 is similar to the ESP8266, but has built-in 1 MiB of flash.
Websitehttps://www.espressif.com/en/products/socs/esp32-c3https://www.espressif.com/en/products/socs/esp32-s2https://www.espressif.com/en/products/socs/esp32https://www.espressif.com/en/products/socs/esp8266https://www.espressif.com/en/products/socs/esp8266
Release date20202019201620162014
Product details
CPURISC-V 32-bit Single-Core @ 160 MHzTensilica Xtensa LX7
32 bit Single-Core @ 240Mhz
Tensilica Xtensa LX6
32 bit Dual-Core @ 160 / 240Mhz
Tensilica LX106
32 bit @ 80 MHz (up to 160 MHz)
Tensilica LX106
32 bit @ 80 MHz (up to 160 MHz)
CoprocessorULP (RISC-V)ULP
RAM400 KB320 KB520 KB160 KB160 KB (36 KB available to user)
ROM (Flash)384 KB128 KB448 KB1024 KB
UART22322
SPIYes 3Yes 4 (OSPI)Yes 4Yes 2Yes 2
Wi-FiYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/n (max 65Mbps)Yes 802.11b/g/n (max 65Mbps)
Bluetooth®Yes 5.0 + BLENoYes 4.2 BR/EDR + BLENoNo
USB HostNoYesNoNoNo
Ethernet (LAN, RJ45)NoNoYes 10/100MbpsNoNo
RTC Memory8 KB16 KB16 KB
External SPIRAM128 MB up to16 MB up to16 MB up to16 MB up to
External Flash1 GB up to
ESP-MESHYesYesYesYesYes
CANYes v2.0
GPIO22 (up to)4332 (up to)17 (up to)17 (up to)
Hall effect sensorNoNoYesNoNo
Temperature sensorYesYesYesNoNo
Touch sensors1410NoNo
I²CYes up to 1Yes up to 2Yes up to 2Yes up to 1Yes up to 1
I2S11222
ADCYes 2 × 12-bit SAR ADCs, up to 6 channelsYes 12 bit SAR ADC up to 20 channelsYes 12 bit SAR ADC up to 18 channelsYes 10 bitYes 10 bit
DACYes 8 bit up to 2 channelsYes 8 bit up to 2 channelsNoNo
PWMYes up to 6Yes 8Yes up to 8NoNo
SDMMCNoYesNoNo
RMT (remote control)YesYesNoNo
LCD InterfaceNoYesNoNoNo
Camera InterfaceNoYesNoNoNo
Secure flash4096-bit OTP4096-bit OTP secure boot1024-bit OTP secure boot
Cryptography supportAES-128/256, RSA Accelerator, SHA Accelerator, Random Number Generator (RNG), HMACAES-128/192/256, SHA-2, RSA, RNG, HMAC, Digital SignatureAES, SHA-2, RSA, ECC, RNG
Deep sleep consumption5 µA10 µA20 µA20 µA
Dimensions
Height5 mm7 mm6 mm5 mm5 mm
Width5 mm7 mm6 mm5 mm5 mm
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