Hello readers welcome to the new post. Here we will learn Teensy 4.1 Pinout, Schematic Symbol, Specifications & Board Layout. In the field of microcontrollers, the Teensy 4.1 is a highly powerful and versatile natural device. Whether you are an electrical engineer or a professional embedded systems developer, learning Teensy 4.1’s schematic symbol, pinout, features, and board layout is important. In this post, we will learn the features of this best microcontroller, So let’s get started with Teensy 4.1 Pinout
Introduction to Teensy 4.1
Teensy 4.1 Pinout
The Teensy 4.1 comes with 55 input/output signal pins. 42 can be access when used with a solderless breadboard.
Here is a Teensy 4.1 pinout:
Pin | Name | Function |
---|---|---|
0 | CS1 | Chip select for SPI1 |
1 | MISO1 | Master in/slave out for SPI1 |
2 | MOSI1 | Master out/slave in for SPI1 |
3 | SCK1 | Serial clock for SPI1 |
4 | 3.3V | 3.3V power supply output |
5 | GND | Ground |
6 | A0 | Analog input 0 |
7 | A1 | Analog input 1 |
8 | A2 | Analog input 2 |
9 | A3 | Analog input 3 |
10 | A4 | Analog input 4 |
11 | A5 | Analog input 5 |
12 | A6 | Analog input 6 |
13 | A7 | Analog input 7 |
14 | A8 | Analog input 8 |
15 | A9 | Analog input 9 |
16 | A10 | Analog input 10 |
17 | A11 | Analog input 11 |
18 | A12 | Analog input 12 |
19 | A13 | Analog input 13 |
20 | LED1 | Red LED |
21 | LED2 | Green LED |
22 | LED3 | Blue LED |
23 | SW1 | Push button |
24 | 13 | Digital input/output 13 |
25 | 12 | Digital input/output 12 |
26 | 11 | Digital input/output 11 |
27 | 10 | Digital input/output 10 |
28 | 9 | Digital input/output 9 |
29 | 8 | Digital input/output 8 |
30 | 7 | Digital input/output 7 |
31 | 6 | Digital input/output 6 |
32 | 5 | Digital input/output 5 |
33 | 4 | Digital input/output 4 |
34 | 3 | Digital input/output 3 |
35 | 2 | Digital input/output 2 |
36 | 1 | Digital input/output 1 |
37 | 0 | Digital input/output 0 |
38 | CAN0_RX | CAN bus 0 receive |
39 | CAN0_TX | CAN bus 0 transmit |
40 | CAN1_RX | CAN bus 1 receive |
41 | CAN1_TX | CAN bus 1 transmit |
42 | I2C1_SDA | I2C bus 1 serial data |
43 | I2C1_SCL | I2C bus 1 serial clock |
44 | I2C2_SDA | I2C bus 2 serial data |
45 | I2C2_SCL | I2C bus 2 serial clock |
46 | I2S0_TXD0 | I2S bus 0 transmit data 0 |
47 | I2S0_TXD1 | I2S bus 0 transmits data 1 |
48 | I2S0_TXWS | I2S bus 0 transmit word select |
49 | I2S0_SCK | I2S bus 0 serial clock |
50 | I2S0_RXC | I2S bus 0 receives a clock |
51 | I2S0_RXD0 | I2S bus 0 receives data 0 |
52 | I2S0_RXD1 | I2S bus 0 receives data 1 |
53 | SW2 | Push button |
54 | 3.3V | 3.3V power supply output |
Pin Number | Pin Name | Description |
---|---|---|
1 | 3.3V | Provides a 3.3V power supply to external devices. |
2 | GND | Ground reference for the microcontroller. |
3 | VIN | Input voltage for external power supply. |
4 | 0 | General-purpose digital input/output pin. |
5 | 1 | General-purpose digital input/output pin. |
6 | 2 | General-purpose digital input/output pin. |
7 | 3 | General-purpose digital input/output pin. |
8 | 4 | General-purpose digital input/output pin. |
9 | 5 | General-purpose digital input/output pin. |
10 | 6 | General-purpose digital input/output pin. |
11 | 7 | General-purpose digital input/output pin. |
12 | 8 | General-purpose digital input/output pin. |
13 | 9 | General-purpose digital input/output pin. |
14 | 10 | General-purpose digital input/output pin. |
15 | 11 | General-purpose digital input/output pin. |
16 | 12 | General-purpose digital input/output pin. |
17 | 13 | General-purpose digital input/output pin. |
18 | 14 | General-purpose digital input/output pin. |
19 | 15 | General-purpose digital input/output pin. |
20 | 16 | General-purpose digital input/output pin. |
21 | 17 | General-purpose digital input/output pin. |
22 | 18 | General-purpose digital input/output pin. |
23 | 19 | General-purpose digital input/output pin. |
24 | 20 | General-purpose digital input/output pin. |
25 | 21 | General-purpose digital input/output pin. |
26 | 22 | General-purpose digital input/output pin. |
27 | 23 | General-purpose digital input/output pin. |
28 | 24 | General-purpose digital input/output pin. |
29 | 25 | General-purpose digital input/output pin. |
30 | 26 | General-purpose digital input/output pin. |
31 | 27 | General-purpose digital input/output pin. |
32 | 28 | General-purpose digital input/output pin. |
33 | 29 | General-purpose digital input/output pin. |
34 | 30 | General-purpose digital input/output pin. |
35 | 31 | General-purpose digital input/output pin. |
36 | VBAT | Battery voltage input for real-time clock. |
37 | VUSB | USB power input when connected to a computer. |
38 | GND | Ground reference for USB and other circuits. |
39 | PTE0/ADC0 | Analog input 0 and general-purpose digital I/O. |
40 | PTE1/ADC1 | Analog input 1 and general-purpose digital I/O. |
41 | PTE24 | General-purpose digital input/output pin. |
42 | PTE25 | General-purpose digital input/output pin. |
43 | AREF | Analog reference voltage for ADC. |
44 | GND | Ground reference for analog circuits. |
45 | A10 | Analog input 10 and general-purpose digital I/O. |
46 | A11 | Analog input 11 and general-purpose digital I/O. |
47 | A12 | Analog input 12 and general-purpose digital I/O. |
48 | A13 | Analog input 13 and general-purpose digital I/O. |
49 | A14 | Analog input 14 and general-purpose digital I/O. |
50 | A15 | Analog input 15 and general-purpose digital I/O. |
51 | A16 | Analog input 16 and general-purpose digital I/O. |
52 | A17 | Analog input 17 and general-purpose digital I/O. |
53 | A18 | Analog input 18 and general-purpose digital I/O. |
54 | A19 | Analog input 19 and general-purpose digital I/O. |
Teensy 4.1 Board Layout
The Teensy 4.1 board layout can seen here
The main components of the board are listed here
- The NXP i.MX RT1062 microcontroller
- A 3.3V voltage regulator
- A USB-C connector
- A micro-SD card slot
- A variety of I/O pins, like analog inputs, digital inputs and outputs, and pulse-width modulation (PWM) outputs
Here is a detailed description of the different parts of the board:
- Microcontroller: The NXP i.MX RT1062 microcontroller high power and flexible ARm Cortex-M7 processor. That has 6MB of flash memory and 2MB of SRAM.
- Voltage regulator: The 3.3V voltage regulator provides a microcontroller and components on the board.
- USB-C connector: Provides power to board and upload new firmware. It is also used for connecting other devices like computers, or smartphones.
- Micro-SD card slot: The micro-SD card slot can store data, like videos, images, and music. It also be used to boot the board from a custom operating system.
- I/O pins: The Teensy 4.1 has a different of I/O pins, which are analog inputs, digital inputs and outputs, and PWM outputs. These pins can connect the board to actuators, sensors, and electronic devices.
Teensy 4.1 Specifications
the Teensy 4.1 specifications are explained here
- Microcontroller: NXP i.MX RT1062 Cortex-M7 processor at 600MHz
- Memory: 8MB flash memory, 2MB SRAM
- Storage: Micro-SD card slot
- I/O:
- 40 digital pins,
- 18 analog inputs, 2 ADCs on chip
- 35 PWM pins
- UART, SPI, I2C, I2S, CAN
- Power:
- USB-C connector for power and programming
- 5V to 3.3V voltage regulator
- Other features:
- Real-time clock (RTC)
- Bootloader for uploading firmware over USB
Here are some examples of projects that can be created with Teensy 4.1:
- Robots
- Drones
- Music synthesizers
- Home automation systems
- Industrial control systems
- Data logging devices
How to power Teensy 4.1?
There are 2 methods to power the Teensy 4.1:
- USB: It can get power from a USB cable connected to a computer or other USB power source. It is a basic technique of the board and easy to upload new firmware to the board
- External power: Externa supply is used to power it like a battery or wall adapter. There is a need to connect the power source with VBUSGND pins on the board.
Here are some more tips for powering the Teensy 4.1:
- Use the battery to power the board to ensure that the use of the battery can provide the required curent. it can uses 500mA of curent accordin to periperal
- The adapter used has a rating of about 500mA.
- For connecting different devices with Teensy 4.1 use a power source that provides the current required
Teensy 4.1 Schematic
Teensy 4.0 vs Teensy 4.1
Feature | Teensy 4.0 | Teensy 4.1 |
---|---|---|
Microcontroller | NXP i.MX RT1052 Cortex-M7 at 600MHz | NXP i.MX RT1062 Cortex-M7 at 600MHz |
Memory | 6MB flash memory, 2MB SRAM | 2MB SRAM 8MB flash memory, |
Storage | Micro-SD card slot | Micro-SD card slot |
I/O | 38 digital pins, 12 analog inputs, 35 PWM outputs | 40 digital pins, 35 PWM outputs 18 analog inputs, |
Power | USB-C connector for power and programming | USB-C connector for power and programming |
Other features | Bootloader for uploading firmware over USB Real-time clock (RTC), | Real-time clock (RTC), 10/100 Mbps Ethernet, USB host port, Bootloader for uploading firmware over USB, QSPI memory expansion, microSD card socket |
FAQs:
Q: What is the Teensy 4.1?
A: The Teensy 4.1 is a microcontroller board made by PJRC. It is based on the NXP i. MX RT1062 microcontroller, which has a dual-core Arm Cortex-M7 processor, 600MHz clock speed, and 1MB of SPI flash memory. The Teensy 4.1 also has a different of peripherals, which are:
- 38 digital input/output pins
- 12 analog input pins
- 2 I2C buses
- 2 SPI buses
- 2 UARTs
- 2 CAN buses
- 2 SDIO buses
- 1 Ethernet port
- 1 32-bit timer
- 2 16-bit timers
- 2 8-bit timers
- 1 real-time clock (RTC)
- 1 USB port
Q: What are the advantages of the Teensy 4.1 over other microcontroller boards?
A: The Teensy 4.1 has many benefits over other microcontroller boards, aer
- High performance: The Teensy 4.1 has a dual-core Arm Cortex-M7 processor and 600MHz clock speed. This makes it best for demanding applications like machine learning, artificial intelligence, and high-speed data processing.
- Wide range of peripherals: It comes with different peripherals, making it best for a wide range of applications.
- Small size: It is a very small board, measuring only 1.8″ x 2.2″. This makes it best for projects where space is limited.
- Affordable price: The Teensy 4.1 is very affordable, making it a good option for hobbyists and students.
Q: What are the applications of Teensy 4.1?
A: Teensy 4.1 can be used for many applications, which are
- Robotics
- Industrial automation
- Data acquisition
- Machine learning
- Artificial intelligence
- High-speed data processing
- Audio and video processing
- Gaming
- Home automation
- Wearable devices
- And much more!
Q: How do I get started with the Teensy 4.1?
A: To get started with Teensy 4.1, there is a need to download and install the Arduino IDE. After have installed the Arduino IDE, can start programming the Teensy 4.1 using the C programming language.
Different resources are available online to help get started with Teensy 4.1, like the official PJRC website and the Teensy forum.
Q: What are some common problems that people have with the Teensy 4.1?
A: Some common problems that people have with the Teensy 4.1 are
- Overheating: it can overheat if it is not accurately cooled. It is good to use a heatsink if you are operating the Teensy 4.1 at high speeds or under heavy load.
- Power supply: it needed a power supply that could offer at least 500mA of current. It is not suggested to power the Teensy 4.1 from a USB port.
- Software compatibility: Some Arduino libraries and sketches can not be supported with the Teensy 4.1. It is good to check the supported software before using it on Teensy 4.1.
Q: Where can I buy a Teensy 4.1 board?
A: The Teensy 4.1 board can be bought from the official PJRC website or from other online retailers.
Is Teensy 4.1 a substitute for other development boards?
- Yes, the Teensy 4.1 can be a used as substitute for other development boards, like the Arduino Uno or the Raspberry Pi. However, it is good to note that the Teensy 4.1 is more powerful and versatile than these boards, so it cannot be the best for all projects. For instance, if you are developing a simple project, like a blinking LED, you can be good off using a less expensive board, like the Arduino Uno.
Is Teensy 4.1 better for audio projects?
- Yes, the Teensy 4.1 is a good option for audio projects since it has high-quality audio DAC and ADC. It also has different other peripherals useful for audio projects, like I2S and SPDIF.
How to connect Teensy 4.1 with ethernet?
- To attach the Teensy 4.1 to Ethernet, will need to connect an Ethernet cable from the Ethernet port on the Teensy 4.1 to a router or switch.