ESP8266 vs ESP32 vs ESP32-S2 vs ESP32-C3
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Compare Espressif SoCs ESP8266 vs ESP8285 vs ESP32 vs ESP32-S2 vs ESP32-C3
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Compare Espressif SoCs ESP8266 vs ESP8285 vs ESP32 vs ESP32-S2 vs ESP32-C3
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Nom abrégé | ESP32 | ESP32-C3 | ESP32-C3-WROOM-02U | ESP32-S2 | ESP8266 | ESP8285 |
---|---|---|---|---|---|---|
Description | ESP32-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. | ||||
Site web | espressif.com/... | espressif.com/... | espressif.com/... | espressif.com/... | espressif.com/... | espressif.com/... |
Date de sortie | 2016 | 2020 | 2021 | 2019 | 2014 | 2016 |
Caractéristiques | ||||||
CPU | Tensilica Xtensa LX6 32 bit Dual-Core @ 160 / 240Mhz | RISC-V 32-bit Single-Core @ 160 MHz | 32-bit RISC-V single-core processor | Tensilica Xtensa LX7 32 bit Single-Core @ 240Mhz | Tensilica LX106 32 bit @ 80 MHz (up to 160 MHz) | Tensilica LX106 32 bit @ 80 MHz (up to 160 MHz) |
Coprocesseur | ULP | ULP (RISC-V) | ||||
Mémoire vive | 520 KB | 400 KB | 320 KB | 50 KB less than | 160 KB | |
ROM (Flash) | 448 KB | 384 KB | 128 KB | 0 use external SPI flash | 1 024 KB | |
UART | 3 | 2 | 2 | 2 | 2 | 2 |
SPI | Oui 4 | Oui 3 | Oui 3 | Oui 4 (OSPI) | Oui 2 | Oui 2 |
Wi-Fi | Oui 802.11b/g/n | Oui 802.11b/g/n | Oui 802.11b/g/n | Oui 802.11b/g/n | Oui 802.11b/g/n (max 65Mbps) | Oui 802.11b/g/n (max 65Mbps) |
Bluetooth® | Oui 4.2 BR/EDR + BLE | Oui 5.0 + BLE | Oui 5.0 BLE | Non | Non | Non |
Port USB Maitre | Non | Non | Oui | Non | Non | |
Ethernet (LAN, RJ45) | Oui 10/100Mbps | Non | Non | Non | Non | |
RTC Memory | 16 KB | 8 KB | 8 KB | 16 KB | ||
Mémoire SRAM externe | 8 MB up to | 128 MB up to | 16 MB up to | |||
Flash externe | 16 MB up to | 1 GB up to | 16 MB up to | |||
ESP-MESH | Oui | Oui | Oui | Oui | Oui | |
CAN | Oui v2.0 | Non | ||||
GPIO | 34 | 22 (up to) | 15 (up to) | 43 | 17 (up to) | 17 (up to) |
Capteur à effet Hall | Oui | Non | Non | Non | Non | Non |
Capteur de température | Oui | Oui | Oui | Oui | Non | Non |
Capteurs tactiles | 10 | No | 14 | No | No | |
I²C | Oui up to 2 | Oui up to 1 | Oui up to 1 | Oui up to 2 | Oui up to 1 | Oui up to 1 |
I2S | 2 | 1 | 1 | 1 | 2 | 2 |
ADC | Oui 12 bit SAR ADC up to 18 channels | Oui 2 × 12-bit SAR ADCs, up to 6 channels | Oui 2 × 12-bit ADC, up to 6 channels | Oui 12 bit SAR ADC up to 20 channels | Oui 10 bit | Oui 10 bit |
DAC | Oui 8 bit up to 2 channels | Non | Oui 8 bit up to 2 channels | Non | Non | |
PWM | Oui up to 8 | Oui up to 6 | Oui 8 | Oui 4 | Non | |
SDMMC | Oui | Non | Non | Non | ||
RMT (remote control) | Oui | Oui | Non | Non | ||
LCD Interface | Non | Non | Oui | Non | Non | |
Camera Interface | Non | Non | Non | Oui | Non | Non |
Flash sécurisé | 1024-bit OTP secure boot | 4096-bit OTP | 4096-bit OTP secure boot | |||
Support du chiffrement | AES, SHA-2, RSA, ECC, RNG | AES-128/256, RSA Accelerator, SHA Accelerator, Random Number Generator (RNG), HMAC | AES-128/192/256, SHA-2, RSA, RNG, HMAC, Digital Signature | |||
Consommation en veille profonde | 10 µA, Yes | 5 µA | 5 µA | 20 µA, Yes | 20 µA | |
Dimensions | ||||||
Hauteur | 6 mm | 5 mm | 18 mm | 7 mm | 5 mm | 5 mm |
Largeur | 6 mm | 5 mm | 20 mm | 7 mm | 5 mm | 5 mm |
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