Nombre corto | ESP32 | ESP8266 | STM32F103C8T6 | ||
---|---|---|---|---|---|
Sitio web | espressif.com/... | espressif.com/... | raspberrypi.org/... | arduino.cc/... | www.st.com/... |
Fecha de lanzamiento | 2016 | 2014 | 2016-02-29 | 2007 Jun 01 | |
Product details | |||||
CPU | Tensilica Xtensa LX6 32 bit Dual-Core @ 160 / 240Mhz | Tensilica LX106 32 bit @ 80 MHz (up to 160 MHz) | 1.2GHz 64-bit quad-core ARMv8 | 16MHz ATmega328P | 32-bit ARM Cortex M3 72MHz max |
Coprocessor | ULP | USB Bridge | |||
RAM | 520 KB | 50 KB less than | 1 GB DDR2 | 2 KB | 20 kb |
ROM (Flash) | 448 KB | 0 use external SPI flash | 0 SD Card | 32 KB | 64 Kb or 128 Kb |
UART | 3 | 2 | 1 | 1 | 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control |
SPI | Sí 4 | Sí 2 | Sí 11 | Sí 1 | Sí 2 |
Wi-Fi | Sí 802.11b/g/n | Sí 802.11b/g/n (max 65Mbps) | Sí 802.11n | No | No |
Bluetooth® | Sí 4.2 BR/EDR + BLE | No | Sí 4.1 BLE | No | No |
USB Host | No | No | Sí 2 | No | No |
Ethernet (LAN, RJ45) | Sí 10/100Mbps | No | Sí 10/100 | No | No |
RTC Memory | 16 KB | No | No | ||
External SRAM | 8 MB up to | ||||
External Flash | 16 MB up to | 16 MB up to | |||
ESP-MESH | Sí | Sí | No | No | No |
CAN | Sí v2.0 | No | No | No | Sí |
GPIO | 34 | 17 (up to) | 40 | 14 | 80 (up to) |
Sensor de efecto Hall | Sí | No | No | No | No |
Capteur de température | Sí | No | No | No | Sí |
Touch sensors | 10 | No | No | No | |
I²C | Sí up to 2 | Sí up to 1 | Sí 1 | Sí 1 | Sí up to 2 |
I2S | 2 | 2 | 0 | 0 | 1 |
ADC | Sí 12 bit SAR ADC up to 18 channels | Sí 10 bit | No | No | Sí 2 x 12-bit, 1 μs A/D converters (up to 16 channels) |
DAC | Sí 8 bit up to 2 channels | No | No | No | Sí |
PWM | Sí up to 8 | Sí 4 | Sí 4 | Sí 6 | Sí 37 |
SDMMC | Sí | No | Sí | No | No |
RMT (remote control) | Sí | No | No | No | No |
LCD Interface | No | No | Sí | No | No |
Camera Interface | No | No | Sí | No | No |
Deep sleep consumption | 10 µA, Yes | 20 µA, Yes | 1 Yes | 4.3 µA, Yes | 1 Yes |
Seguridad | |||||
Secure flash | 1024-bit OTP secure boot | No | |||
Cryptography support | AES, SHA-2, RSA, ECC, RNG | No | |||
Dimensiones | |||||
Altura | 6 mm | 5 mm | 56.5 mm | 53.3 mm | |
Ancho | 6 mm | 5 mm | 85.6 mm | 68.6 mm |