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PJRC Teensy 4.1 ARM Cortex-M7 Microcontroller Development Board

PJRC Teensy 4.1 ARM Cortex-M7 Microcontroller Development Board

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Teensy 4.1 is the latest Teensy microcontroller development board from PJRC. It features an ARM Cortex-M7 IMXRT1062 processor at 600 MHz. The actual size is 2.4 by 0.7 inch, the same form-factor as Teensy 3.6.

Teensy 4.1 uses the same processor as Teensy 4.0, but provides greater I/O capability, including an optional ethernet PHY, SD card socket, and USB host port. Teensy 4.1 also comes with 4X larger flash memory, and has 2 locations to optionally add more memory.

Technical Specifications compared to Teensy 4.0

Teensy 4.1 & 4.0 use the same IMXRT1062, so most technical specifications are the same.

Please refer to the Teensy 4.0 page for common specifications and features.


Feature Teensy 4.1 Teensy 4.0
Ethernet Optional 10 / 100 Mbit
DP83825 PHY
(6 pins)
-none-
USB Host 5 Pins with
power management
2 SMT Pads
SDIO (4 bit data) Micro SD Socket 8 SMT Pads
PWM Pins 35 31
Analog Inputs 18 14
Serial Ports 8 7
Flash Memory 8 Mbyte 2 Mbyte
QSPI Memory 2 chips
Plus Program Memory
Program memory only
Breadboard Friendly I/O 42 24
Bottom SMT Pad Signals 7 16
SD Card Signals 6 0
Total I/O Pins 55 40

 

Pinouts

Teensy 4.1 is designed to bring all general purpose I/O pins to breadboard friendly pads on the outside edges.

Teensy 4.1 pinout and specification card


Note: The Teensy 4.1 does not include headers and, if needed in your application, will need to be purchased separately and soldered on yourself.

Resources:

PJRC forum for Teensy Users

PJRC Teensy 4.1 Product Page

Teensyduino Add-on for Arduino IDE Download

Hackster.io's Teensy Section 

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