Lien	Raspberry Pi RP2040	Espressif ESP32	Espressif ESP32-S2	STM32 F1 series	STM32 G4 series	STM32F103C8T6	Espressif ESP8266	Teensy 4.1
Nom abrégé	RP2040	ESP32	ESP32-S2	STM32 F1	STM32 G4	STM32F103C8T6	ESP8266	Teensy 4.1
Site web	raspberrypi.org/...	espressif.com/...	espressif.com/...	www.st.com/...	www.st.com/...	www.st.com/...	espressif.com/...	pjrc.com/...
Date de sortie	21 jan. 2021	2016	2019	2007	2019	1 jun. 2007	2014	11 mai 2020
Caractéristiques
CPU	Arm Cortex-M0+ Dual-core @133MHz	Tensilica Xtensa LX6 32 bit Dual-Core @ 160 / 240Mhz	Tensilica Xtensa LX7 32 bit Single-Core @ 240Mhz	ARM Cortex-M3 @ 24 / 36 / 48 / 72 MHz	ARM Cortex-M4F @ 170 MHz FPU, DSP instructions	32-bit ARM Cortex M3 72MHz max	Tensilica LX106 32 bit @ 80 MHz (up to 160 MHz)	NXP IMXRT1062DVJ6A ARM Cortex-M7 at 600 MHz with FPU (32 bit float and 64 bit double precision), DSP instructions.
Coprocesseur		ULP	ULP (RISC-V)
Mémoire vive	264 KB	520 KB	320 KB	4 KB - 96 KB	32 KB - 128 KB	20 kb	50 KB less than	1,024 KB RAM (512K tightly coupled)
ROM (Flash)		448 KB	128 KB	16 KB - 1024 KB	128 KB - 512 KB	64 Kb or 128 Kb	0 use external SPI flash	7,936 KB Flash
UART	2	3	2			3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control	2	8 UARTS
SPI	Oui 2 (OSPI)	Oui 4	Oui 4 (OSPI)			Oui 2	Oui 2	Oui 2
Wi-Fi	Non	Oui 802.11b/g/n	Oui 802.11b/g/n			Non	Oui 802.11b/g/n (max 65Mbps)	Non
Bluetooth®	Non	Oui 4.2 BR/EDR + BLE	Non			Non	Non	Non
Port USB Maitre	Oui	Non	Oui			Non	Non	Oui 2 usb ports (1 as USB host, 5 pin header with power management)
Ethernet (LAN, RJ45)	Non	Oui 10/100Mbps	Non			Non	Non	Oui Ethernet 10/100 Mbit (6 pin on board header). Teensy 4.1 contains an Ethernet controller and Ethernet PHY chip.
RTC Memory		16 KB	16 KB			No		16 bytes of memory are located within the RTC. If a coin cell is connected to VBAT, contents of this memory is preserved while power is off. This memory is accessed as 32 bit registers LPGPR0-LPGPR3.
Mémoire SRAM externe		8 MB up to	128 MB up to					16 MB up to PSRAM (QSPI Memory Expansion, ready to solder 1 or 2 chips such as IPS6404LSQ or ESP PSRAM64H on board)
Flash externe		16 MB up to	1 GB up to				16 MB up to	8 MB up to (QSPI Memory Expansion, board ready to solder additional 8MB Flash chip such as 25Q128JVSQ)
ESP-MESH	Non	Oui	Oui			Non	Oui	Non
CAN		Oui v2.0				Oui	Non	Oui 3
GPIO	30	34	43			80 (up to)	17 (up to)	55 input/output signal pins (42 are accessible when used with a solderless breadboard)
Capteur à effet Hall	Non	Oui	Non			Non	Non	Non
Capteur de température	Non	Oui	Oui			Oui	Non	Oui A built in temperature sensor allows reading the temperature inside the MCU chip
Capteurs tactiles		10	14			No	No	No
I²C	Oui	Oui up to 2	Oui up to 2			Oui up to 2	Oui up to 1	Oui 3
I2S	1	2	1			1	2	2 (I2S/TDM)
ADC	Oui x4 12-bit	Oui 12 bit SAR ADC up to 18 channels	Oui 12 bit SAR ADC up to 20 channels			Oui 2 x 12-bit, 1 μs A/D converters (up to 16 channels)	Oui 10 bit	Oui 18 pins total (12 bit, 2 Converters, 4 comparators)
DAC	Non	Oui 8 bit up to 2 channels	Oui 8 bit up to 2 channels			Oui	Non	Non
PWM	Oui up to 16	Oui up to 8	Oui 8			Oui 37	Oui 4	Oui 31 pins/outputs (3x PWM 32 bit, 32x PWM 16 bit)
SDMMC	Non	Oui	Non			Non	Non	Oui 1 SDIO (4 bit) native Micro SD Card
RMT (remote control)	Non	Oui	Oui			Non	Non	Non
LCD Interface	Non	Non	Oui			Non	Non	Non not dedicated
Camera Interface	Non	Non	Oui			Non	Non	Non not dedicated
Consommation en veille profonde	18 µA (Dormant) 39 µA (Sleep)	10 µA, Yes	5 µA			1 Yes	20 µA, Yes
Sécurité
Flash sécurisé		1024-bit OTP secure boot	4096-bit OTP secure boot
Support du chiffrement		AES, SHA-2, RSA, ECC, RNG	AES-128/192/256, SHA-2, RSA, RNG, HMAC, Digital Signature					Symmetric ciphers and one-way hash can be computed by hardware, but currently no library support exists to utilize this hardware.
Dimensions
Hauteur	7 mm	6 mm	7 mm				5 mm	0,16 in (4.07 mm) (no extra PSRAM or Flash included)
Largeur	7 mm	6 mm	7 mm				5 mm	0,7 in (17.81 mm)
Poids