Teensy 4.1 Pinout
IMXRT1062 ARM Cortex-M7 · 600 MHz · 3,3V I/O · 55 Digital · 18+ Analog · SD-Slot
3,3V-Logik: Alle GPIO-Pins arbeiten mit 3,3V. Keiner ist 5V-tolerant. Für 5V-Geräte unbedingt Pegelwandler verwenden!
Teensy 4.1 · IMXRT1062
↓ Bottom solder pads: D38–D41, VUSB, GND (SD card)
Click pin for details
All pins
52 Pins| Pin | Typ | Funktionen | Beschreibung |
|---|---|---|---|
D0 | UART | Digital, UART1 RX | Serial1 RX. 3,3V tolerant. 5V-intoleranter Pin. |
D1 | UART | Digital, UART1 TX | Serial1 TX. 3,3V tolerant. |
D2 | Digital | Digital, PWM | GPIO / PWM capable. |
D3 | Digital | Digital, PWM, LPSPI4 SDI | GPIO / PWM / LPSPI4 Data In. |
D4 | PWM | Digital, PWM | Hardware-PWM. |
D5 | PWM | Digital, PWM | Hardware-PWM. |
D6 | PWM | Digital, PWM | Hardware-PWM. |
D7 | UART | Digital, UART2 RX4, Serial2 RX | Serial2 RX / Serial4 TX – je nach Konfiguration. |
D8 | UART | Digital, UART2 TX4, Serial2 TX | Serial2 TX / Serial4 RX – je nach Konfiguration. |
D9 | PWM | Digital, PWM | Hardware-PWM. |
D10 | SPI | Digital, PWM, SPI0 CS | SPI0 Chip Select. Auch PWM. |
D11 | SPI | Digital, PWM, SPI0 MOSI | SPI0 MOSI. Auch PWM. |
D12 | SPI | Digital, SPI0 MISO | SPI0 MISO. |
D13 | SPI | Digital, SPI0 SCK, LED_BUILTIN | SPI0 Clock. Onboard LED on D13. |
D14 | Analog | A0, UART3 TX | Analog A0 (ADC1). Serial3 TX. |
D15 | Analog | A1, UART3 RX | Analog A1. Serial3 RX. |
D16 | Analog | A2, UART4 RX | Analog A2. Serial4 RX. |
D17 | Analog | A3, UART4 TX | Analog A3. Serial4 TX. |
D18 | I²C | A4, I²C0 SDA, UART5 TX | Wire SDA (I²C0). Analog A4. Serial5 TX. |
D19 | I²C | A5, I²C0 SCL, UART5 RX | Wire SCL (I²C0). Analog A5. Serial5 RX. |
D20 | Analog | A6, UART5 TX | Analog A6. Serial5 TX. |
D21 | Analog | A7, UART5 RX | Analog A7. Serial5 RX. |
D22 | PWM | A8, PWM | Analog A8. Hardware-PWM. |
D23 | PWM | A9, PWM | Analog A9. Hardware-PWM. |
GND | GND | Ground | Masse (GND). |
VIN | Power | VIN | Power via ext. 5V or USB-Host (VUSB-to-VIN Jumper). No voltage regulator. |
3.3V | Power | 3.3V Power | 3.3 V output of internal regulator. Max. ~250 mA for external loads. |
AGND | GND | Analog GND | Analog ground. Route separately for ADC precision measurements. |
D24 | Analog | A10, UART6 TX, SDA2 | Analog A10. Serial6 TX. Wire2 SDA. |
D25 | Analog | A11, UART6 RX | Analog A11. Serial6 RX. |
D26 | Analog | A12, SPI1 SDO | Analog A12. SPI1 Data Out. |
D27 | Analog | A13, SPI1 SDI | Analog A13. SPI1 Data In. |
D28 | I²C | PWM, SDA2, SPI1 CS0 | Wire2 SDA. SPI1 CS0. PWM. |
D29 | I²C | PWM, SCL2, SPI1 SCK | Wire2 SCL. SPI1 Clock. PWM. |
D30 | Digital | Digital, SPI1 SDO | GPIO. SPI1 Data Out. |
D31 | Digital | Digital, SPI1 SDI | GPIO. SPI1 Data In. |
D32 | PWM | PWM, SDA1 | Hardware-PWM. Wire1 SDA. |
D33 | I²C | Digital, SCL1 | Wire1 SCL. |
D34 | Analog | A14, DAC0 | 12-Bit DAC output (DAC0). Also read analog. |
D35 | Analog | A15, PWM | Analog A15. PWM. |
D36 | Analog | A16, 1W, Digital | Analog A16. 1-Wire bus capable. |
D37 | Analog | A17 | Analog A17. Only internally accessible on thin pads. |
VBAT | Power | VBAT | Backup battery / coin cell for RTC. Connect max. 3.6 V. |
3.3V | Power | 3.3V Power | 3.3 V output (second pin). Parallel to the first 3.3V. |
PROG | Spezial | Program Button | Program pad. Short to GND starts bootloader for manual flashing. |
GND | GND | Ground | Masse (GND). |
D38 | SPI | SD MOSI, SPI2 | SD card SPI MOSI (onboard MicroSD slot). |
D39 | SPI | SD MISO, SPI2 | SD-Karten SPI MISO. |
D40 | SPI | SD SCK, SPI2 | SD-Karten SPI Clock. |
D41 | SPI | SD CS, SPI2 | SD-Karten Chip Select. |
VUSB | Power | USB 5V | USB-Host Power. Bridge VUSB?VIN to run Teensy via USB-Host. |
GND | GND | Ground | Masse (GND). |
Interactive Pin Mapping
The Teensy 4.1 Pinout tool provides a comprehensive interactive map for developers working with the ARM Cortex-M7 microcontroller. By clicking on any specific pin, you can access detailed technical specifications and capabilities. The tool displays all available pins, including those on bottom solder pads like D38 through D41. This allows users to quickly identify signal types, such as GPIO or PWM capabilities, making it an essential reference for hardware prototyping and rapid development cycles in the IoT space.
Advanced Hardware Features
Beyond basic I/O, the Teensy 4.1 supports advanced features like CAN bus communication and USB Host functionality. The tool highlights specific configurations such as the DAC0 output for analog signals and the 1-Wire bus capability on pin A16. It also clarifies critical hardware details like the VUSB to VIN jumper for power management and the requirements for separate ground routing in precision ADC measurements, ensuring your project operates reliably with this high-performance 600 MHz processor.
Frequently asked questions
What are the main specifications of the Teensy 4.1?
The Teensy 4.1 is powered by an ARM Cortex-M7 processor running at 600 MHz. It features a robust set of 55 digital pins, 18 analog inputs, and supports CAN bus communication and USB Host functionality, making it a highly capable board for complex embedded systems and IoT applications.
How many digital and analog pins are available on the Teensy 4.1?
The Teensy 4.1 provides 55 digital pins and 18 analog inputs. This includes specialized pins like A16 for 1-Wire bus communication and various outputs such as the 12-bit DAC0, providing significant flexibility for diverse sensor integrations and signal processing tasks.
How do I power the Teensy 4.1 via USB Host?
To run the Teensy 4.1 through a USB-Host connection, you must bridge the VUSB to VIN jumper. This configuration allows the board to be powered by an external source or via a host port without relying on the standard internal voltage regulator for high current loads.
What is the purpose of the bootloader short pad?
The program pad is designed for manual flashing. By shorting this specific pad to ground, you can trigger the bootloader mode. This is useful when automatic serial connection fails or when you need to manually flash firmware onto the Teensy 4.1 microcontroller.