Teensy 4.1 without Ethernet

Teensy 4.1 is larger than the Teensy 4.0, and has more I/O pins.

Features:

• Teensy 4.1
• ARM Cortex-M7 at 600 MHz
• Float point math unit, 64 & 32 bits
• 7936K Flash, 1024K RAM (512K tightly coupled), 4K EEPROM (emulated)
• QSPI memory expansion, locations for 2 extra RAM or Flash chips
• USB device 480 Mbit/sec & USB host 480 Mbit/sec
• 55 digital input/output pins, 35 PWM output pins
• 18 analog input pins
• 8 serial, 3 SPI, 3 I2C ports
• 2 I2S/TDM and 1 S/PDIF digital audio port
• 3 CAN Bus (1 with CAN FD)
• 1 SDIO (4 bit) native SD Card port
• 32 general purpose DMA channels
• Cryptographic Acceleration & Random Number Generator
• RTC for date/time
• Programmable FlexIO
• Pixel Processing Pipeline
• Peripheral cross triggering
• Power On/Off management