Product Review

Teensy 4.0 features an ARM Cortex-M7 processor at 600 MHz, with a NXP iMXRT1062 chip, the fastest microcontroller available today. 1024K RAM (512K is tightly coupled) 2048K Flash (64K reserved for recovery & EEPROM emulation) 2 USB ports, both 480 MBit/sec 3 CAN Bus (1 with CAN FD) 2 I2S Digital Audio 1 S/PDIF Digital Audio 1 SDIO (4 bit) native SD 3 SPI, all with 16 word FIFO 3 I2C, all with 4 byte FIFO 7 Serial, all with 4 byte FIFO 32 general purpose DMA channels 31 PWM pins 40 digital pins, all interrrupt capable 14 analog pins, 2 ADCs on chip Cryptographic Acceleration Random Number Generator RTC for date/time Programmable FlexIO Pixel Processing Pipeline Peripheral cross triggering Power On/Off management Actual size is 1.4 by 0.7 inch, same form-factor as Teensy 3.2.