PJRC Teensy 4.0 (ARM Cortex-M7)
Ultra high-performance development board featuring an ARM Cortex-M7 processor at 600 MHz (NXP i.MX RT1062), 2048K Flash, 1024K RAM, 40 total I/O pins, and hardware floating-point support.
Aliase:Teensy 4, Teensy 4.0, i.MX RT1062 Board, 600MHz ARM
Teensy 4.0 Front Pinout
33 Pins
Pinout Table33
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | GND | Ground | Ground (0V) |
| 2 | 0 | Digital | RX1CRX2PWM |
| 3 | 1 | Digital | TX1CTX2PWM |
| 4 | 2 | Digital | OUT2PWM |
| 5 | 3 | Digital | LRCLK2PWM |
| 6 | 4 | Digital | BCLK2PWM |
| 7 | 5 | Digital | IN2PWM |
| 8 | 6 | Digital | OUT1DPWM |
| 9 | 7 | Digital | RX2OUT1APWM |
| 10 | 8 | Digital | TX2IN1PWM |
| 11 | 9 | Digital | OUT1CPWM |
| 12 | 10 | Digital | CSMQSRPWM |
| 13 | 11 | Digital | MOSICTX1PWM |
| 14 | 12 | Digital | MISOMQSLPWM |
| 15 | VBAT | Power | RTC Backup Battery (3V Coin Cell) |
| 16 | 3.3V | Power | +3.3V Power Rail Output |
| 17 | GND | Ground | Ground Reference (0V) |
| 18 | PROGRAM | Reset | Bootloader Program Button Input |
| 19 | ON/OFF | Power | Power Control (Hold Low 5s to turn off) |
| 20 | 13 | Digital | SCKLED_BUILTINCRX1 |
| 21 | 14 | Analog | A0TX3S/PDIF OUTPWM |
| 22 | 15 | Analog | A1RX3S/PDIF INPWM |
| 23 | 16 | Analog | A2SCL1RX4 |
| 24 | 17 | Analog | A3SDA1TX4 |
| 25 | 18 | Analog | A4SDA0 |
| 26 | 19 | Analog | A5SCL0 |
| 27 | 20 | Analog | A6TX5PWM |
| 28 | 21 | Analog | A7RX5PWM |
| 29 | 22 | Analog | A8CTX1BCLK1LRCLK1PWM |
| 30 | 23 | Analog | A9CRX1MCLK1PWM |
| 31 | 3.3V | Power | +3.3V Power Rail Output (250 mA max) |
| 32 | GND | Ground | Ground Reference (0V) |
| 33 | VIN | Power | Power Input (3.6V to 5.5V DC) |
Teensy 4.0 Back / Bottom Pads Pinout
21 Pins
Pinout Table21
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 24 | 24 | Analog | A10SCL2TX6MOSI1PWM |
| 25 | 25 | Analog | A11SDA2RX6PWM |
| 26 | 26 | Analog | A12MOSI1 |
| 27 | 27 | Analog | A13SCK1 |
| 28 | 28 | Digital | RX7PWM |
| 29 | 29 | Digital | TX7 |
| 30 | 30 | Digital | CRX3 |
| 31 | 31 | Digital | CTX3 |
| 32 | 32 | Digital | OUT1B |
| 33 | 33 | Digital | MCLK2PWM |
| 34 | 34 | Digital | DAT1MISO2PWM |
| 35 | 35 | Digital | DAT0MOSI2PWM |
| 36 | SD_GND | Ground | Ground (0V) |
| 37 | 36 | Digital | CLKCS2PWM |
| 38 | SD_3V3 | Power | +3.3V Power Rail |
| 39 | 37 | Digital | CMDSCK2PWM |
| 40 | 38 | Digital | DAT3RX5PWM |
| 41 | 39 | Digital | DAT2TX5PWM |
| 42 | VUSB | Power | USB 5V (Cut trace to separate VIN from VUSB) |
| 43 | USB_D- | Digital | USB Host D- |
| 44 | USB_D+ | Digital | USB Host D+ |