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Check that all reset/enable have an external pull-up or pull-down resistors. Rep...
@copilot Check that all reset/enable have an external pull-up or pull-down resistors. Report action items in an ordered list.
1y
Based on the information provided for the RT1062 Teensy 4.1 template, the key detail here is ensuring that all reset or enable lines are appropriately biased using external resistors. Given the component provided (U1) and its pins, we need to identify any pins that function as reset or enable lines.
For the Teensy 4.1 (U1) based on the MPN provided and common practices with microcontroller units (MCUs) and similar embedded devices:
-
The
PROGRAMpin (pin 3) often acts as a reset or a programming mode selector for the device. This pin typically requires a pull-up resistor to ensure the device boots normally when not being programmed. -
The
ON/OFFpin (pin 4), if it functions as an enable pin for the device, it usually requires either a pull-up or pull-down resistor depending on the default state required for the intended operation.
Unfortunately, without the data sheet excerpts specifically detailing the behavior of these pins for the DEV-16771, I'm making assumptions based on common practices with similar devices. Typically, for reset pins, a pull-up resistor in the range of 4.7kΩ to 10kΩ is commonly used, while enable pins might vary more depending on the specific requirements (active high or active low) of the circuit.
Action Items:
-
Connect a Pull-Up Resistor to the PROGRAM Pin: Assuming it behaves like a typical microcontroller reset pin, connect a 10kΩ resistor from pin 3 (
U1:PROGRAM) to a positive power supply rail appropriate for the device's voltage. This ensures that the device does not inadvertently enter programming mode.- Connect R1:1 to U1:PROGRAM
- Connect R1:2 to VCC (where VCC matches the operating voltage of the device)
-
Determine the Required State for the ON/OFF Pin: If it's an enable pin, confirm whether it requires a high or low state for normal operation. If it's active high:
- Connect a Pull-Up Resistor to pin 4 (
U1:ON/OFF) and to VCC for enabling the device by default.- Connect R2:1 to U1:ON/OFF
- Connect R2:2 to VCC
Or, if it's active low:- Connect a Pull-Down Resistor to pin 4 (
U1:ON/OFF) and to GND to keep the device disabled by default.- Connect R3:1 to U1:ON/OFF
- Connect R3:2 to GND
- Connect a Pull-Up Resistor to pin 4 (
These steps are based on common MCU/MPU design practices. It is highly recommended to review the specific datasheet for the DEV-16771 part used in the Teensy 4.1 to confirm the correct use and values of these resistors. Without direct excerpts from the datasheet regarding these pins, these recommendations are tentative and should be validated with the actual component datasheet.
1y
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3
are there any issues in this project?
1y
It looks like your project is currently an empty template with a single component: the Teensy 4.1 Development Board (DEV-16771). Here are a few points to consider and some questions to better understand your requirements:
-
Power Connections:
- Make sure to connect the power supply correctly.
- For example: Connect U1:VIN to your main power source, and connect U1:GND to ground.
-
Peripheral Connections:
- Depending on what peripherals or additional components you want to include, you'll need to connect the respective pins.
-
Basic Operation:
- Ensure you have connections for programming and basic operation.
- For example:
- Connect U1:PROGRAM to your programming interface.
- Connect U1:ON/OFF for controlling power state if necessary.
To help further, I'd need more details on what additional components you plan to use and what your design goals are. Here are some questions that might clarify things:
- What power source do you intend to use (e.g., USB, battery)?
- Are there any specific peripherals you plan to connect (sensors, actuators, communication modules)?
- Do you need any specific interfaces (e.g., SPI, I2C, UART) connected to external devices?
Providing answers to these questions will help in giving more targeted advice.
1y
Someone is typing...
4
create a detailed step by step plan table for U1 to verify its functionality.
1y
Sure, I can create a detailed step-by-step testing plan to verify the functionality of DEV-16771. This plan will be structured to test the basic functionalities including power, communication, and peripheral interfaces. Here's the table:
Table
| Step | Description | Connections | Expected Outcome |
|---|---|---|---|
| 1 | Power Connection | - Connect U1:VIN to a 5V power source - Connect U1:GND to ground | Module should power up, and an initial status indication (such as an LED) may light up |
| 2 | 3.3V Verification | - Measure voltage at U1:3.3V pin | Should be 3.3V |
| 3 | Communication (UART1) - Loopback Test | - Connect U1:RX1 to U1:TX1 | Data sent from TX1 should be received on RX1 |
| 4 | Communication (UART2) - Loopback Test | - Connect U1:RX2 to U1:TX2 | Data sent from TX2 should be received on RX2 |
| 5 | I2C Communication Test (Optional) | - Connect U1:SCL to an I2C master - Connect U1:SDA to same I2C master | Proper I2C communication should occur |
| 6 | SPI Communication Test | - Connect U1:MISO to a SPI slave device MISO - Connect U1:MOSI to SPI slave device MOSI - Connect U1:SCK to SPI clock - Connect U1:CS1 to SPI slave select | SPI communication should work as expected |
| 7 | Digital I/O Test on GPIO Pins | - Connect an LED to one of the GPIO pins, e.g., U1:A0 in series with a current-limiting resistor | GPIO should be able to turn the LED on and off |
| 8 | Analog Input Test | - Apply a known voltage to an analog input, e.g., U1:A1 | The analog value read should match the applied voltage |
| 9 | USB Connection Test | - Connect U1:D and U1:D- to a USB host | Proper enumeration and communication with USB host |
| 10 | Programming | - Connect U1:PROGRAM to the programming interface | Device should be programmable |
| 11 | Battery Backup | - Connect a 3V coin cell to U1:VBAT | Device should retain state with battery power |
| 12 | LED Control | - Control U1:LED via software | LED should turn on and off based on software control |
Would you like me to expand on any specific step or provide additional tests?
1y
Someone is typing...
6
U1
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- Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portaljharwinbarrozo43.0M
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- A generic fixed resistor for rapid developing circuit topology. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0Ω 10Ω 100Ω 1.0kΩ 10kΩ 100kΩ 1.0MΩ 1.1Ω 11Ω 110Ω 1.1kΩ 11kΩ 110kΩ 1.1MΩ 1.2Ω 12Ω 120Ω 1.2kΩ 12kΩ 120kΩ 1.2MΩ 1.3Ω 13Ω 130Ω 1.3kΩ 13kΩ 130kΩ 1.3MΩ 1.5Ω 15Ω 150Ω 1.5kΩ 15kΩ 150kΩ 1.5MΩ 1.6Ω 16Ω 160Ω 1.6kΩ 16kΩ 160kΩ 1.6MΩ 1.8Ω 18Ω 180Ω 1.8KΩ 18kΩ 180kΩ 1.8MΩ 2.0Ω 20Ω 200Ω 2.0kΩ 20kΩ 200kΩ 2.0MΩ 2.2Ω 22Ω 220Ω 2.2kΩ 22kΩ 220kΩ 2.2MΩ 2.4Ω 24Ω 240Ω 2.4kΩ 24kΩ 240kΩ 2.4MΩ 2.7Ω 27Ω 270Ω 2.7kΩ 27kΩ 270kΩ 2.7MΩ 3.0Ω 30Ω 300Ω 3.0KΩ 30KΩ 300KΩ 3.0MΩ 3.3Ω 33Ω 330Ω 3.3kΩ 33kΩ 330kΩ 3.3MΩ 3.6Ω 36Ω 360Ω 3.6kΩ 36kΩ 360kΩ 3.6MΩ 3.9Ω 39Ω 390Ω 3.9kΩ 39kΩ 390kΩ 3.9MΩ 4.3Ω 43Ω 430Ω 4.3kΩ 43KΩ 430KΩ 4.3MΩ 4.7Ω 47Ω 470Ω 4.7kΩ 47kΩ 470kΩ 4.7MΩ 5.1Ω 51Ω 510Ω 5.1kΩ 51kΩ 510kΩ 5.1MΩ 5.6Ω 56Ω 560Ω 5.6kΩ 56kΩ 560kΩ 5.6MΩ 6.2Ω 62Ω 620Ω 6.2kΩ 62KΩ 620KΩ 6.2MΩ 6.8Ω 68Ω 680Ω 6.8kΩ 68kΩ 680kΩ 6.8MΩ 7.5Ω 75Ω 750Ω 7.5kΩ 75kΩ 750kΩ 7.5MΩ 8.2Ω 82Ω 820Ω 8.2kΩ 82kΩ 820kΩ 8.2MΩ 9.1Ω 91Ω 910Ω 9.1kΩ 91kΩ 910kΩ 9.1MΩ #generics #CommonPartsLibraryjharwinbarrozo1.5M
- A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF 10pF 100pF 1000pF 0.01uF 0.1uF 1.0uF 10uF 100uF 1000uF 10,000uF 1.1pF 11pF 110pF 1100pF 1.2pF 12pF 120pF 1200pF 1.3pF 13pF 130pF 1300pF 1.5pF 15pF 150pF 1500pF 0.015uF 0.15uF 1.5uF 15uF 150uF 1500uF 1.6pF 16pF 160pF 1600pF 1.8pF 18pF 180pF 1800pF 2.0pF 20pF 200pF 2000pF 2.2pF 22pF 20pF 2200pF 0.022uF 0.22uF 2.2uF 22uF 220uF 2200uF 2.4pF 24pF 240pF 2400pF 2.7pF 27pF 270pF 2700pF 3.0pF 30pF 300pF 3000pF 3.3pF 33pF 330pF 3300pF 0.033uF 0.33uF 3.3uF 33uF 330uF 3300uF 3.6pF 36pF 360pF 3600pF 3.9pF 39pF 390pF 3900pF 4.3pF 43pF 430pF 4300pF 4.7pF 47pF 470pF 4700pF 0.047uF 0.47uF 4.7uF 47uF 470uF 4700uF 5.1pF 51pF 510pF 5100pF 5.6pF 56pF 560pF 5600pF 6.2pF 62pF 620pF 6200pF 6.8pF 68pF 680pF 6800pF 0.068uF 0.68uF 6.8uF 68uF 680uF 6800uF 7.5pF 75pF 750pF 7500pF 8.2pF 82pF 820pF 8200pF 9.1pF 91pF 910pF 9100pF #generics #CommonPartsLibraryjharwinbarrozo1.5M
- A generic fixed inductor for rapid developing circuit topology. *You can now change the footprint and 3D model at the top level anytime you want. This is the power of #genericsjharwinbarrozo15.1k
- An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.Terminal
- 47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlinkjharwinbarrozo1.2M
- 10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcanjharwinbarrozo1.2M
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Inspect
RT1062 Teensy 4.1 Template
Controls
Properties
Availability & Pricing
| Distributor | Qty 1 | |
|---|---|---|
| Arrow | $43.02 | |
| Digi-Key | $37.20 | |
| Mouser | $37.20 | |
| Verical | $68.47 | |
Assets
- RT1062-Teensy-thumn.png
id=RT1062-Teensy-thumn
Thumbnail
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