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.
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.
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