Teensy 4.1 with pin headers

The Teensy 4.1 with soldered headers is a small development board armed with a 32 bit 600 MHz ARM Cortex-M7 processor. This version has the same processor as the Teensy 4, but with a lot more I / O! This version has more Flash memory, a micro SD card connection, more available IO pins and the possibility to make an Ethernet connection. The Teensy development boards can even be programmed with Arduino code by downloading the TeensyDuino addon for the Arduino IDE.

The Teensy 4.x supports dynamic clock scaling. Unlike traditional microcontrollers, where changing the clock speed causes incorrect baud rates and other issues, the Teensy 4.0 hardware and Teensyduino's software support for Arduino timing functions are designed to allow for dynamic speed changes. Serial baud rates, audio streaming sample rates, and Arduino features like delay () and millis (), and Teensyduino's extensions like IntervalTimer and elapsedMillis will continue to work properly as the CPU changes speed.

The Teensy 4.x also offers a power shut-off feature. By connecting a push button to the on / off pin, the 3.3V power can be completely turned off by pressing and holding the button for 5 seconds and turned back on by briefly pressing the button. When a button cell is connected to VBAT, Teensy 4.0's RTC also keeps date and time while the power is turned off.The Teensy 4.x can also be overclocked, well beyond 600 MHz!

Specifications

• ARM Cortex-M7 at 600 MHz
• 4MB Flash Memory
• 1024kB RAM Memory
• EEPROM emulation via flash memory
• Built-in micro SD card slot
• Possibility of 10 / 100Mbit Ethernet connection (DP83825 ethernet chip)
• 55 Digital pins (3.3V, all with interrupt)
• 18 Analog input pins (2 ADCs in the chip)
• 35 PWM pins
• 1 Analog output with 12-bit resolution
• 1x Micro-USB connection
• 7x Serial (RX / TX) connection
• 3x SPI connection
• 3x I2C connection
• 3x CAN Bus connection (1x CAN FD)
• 2x I2S Audio connection
• 1x S / PDIF Digital audio connection
• 2x USB port (up to 480Mbit / s)
• 1x SDIO (4 bit) native SD
• 32 DMA channels
• Cryptographic acceleration
• Random number generator
• RTC for date / time
• Programmable FlexIO
• Pixel Processing Pipeline
• Power On/Off management