Teensy 4.1
PJRC
◆ Ethernet
600
MHz
Clock Speed
1
Cores
CPU
55
Pins
GPIO
General
Chipset
NXP iMXRT1062 (ARM Cortex-M7)
RAM
1MB RAM (512KB tightly-coupled + 512KB)
Flash
8 MB
Storage
8MB flash + optional QSPI PSRAM/flash
USB
1x micro USB device + native USB host header
Connectivity
Native Ethernet PHY, 8x UART, 3x SPI, 3x I2C, microSD slot, USB host
Power
5V micro USB or VIN 3.6-5.5V
Form Factor
61 x 18mm
Price
$30-$35
OS Support
none (bare metal)
Frameworks & Languages
Arduino C/C++ (Teensyduino)bare-metal C