• Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
  • Ground
    A common return path for electric current. Commonly known as ground.
  • Net Portal
    A net identifier used to create connectivity to other Net Portal with the same designator. #portal
  • Power Net Portal
    Power net portal is a special schematic object used to define a power or ground net. Power ports allow you to conveniently indicate a power net at any location in the design. Power nets of the same designator automatically connect throughout your design #portal #power
  • Generic Resistor
    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 #CommonPartsLibrary
  • Generic Capacitor
    A generic fixed capacitor 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 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 #CommonPartsLibrary
  • Generic Inductor
    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 #generics
  • RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
  • 875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
  • CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
minimum requirements for running it on internal clock and burn the data with jta...

@copilot minimum requirements for running it on internal clock and burn the data with jtag
1y
To run the ATMEGA8A-AU on its internal clock and program it using JTAG, follow the steps below:
  1. Set the Fuse Bits: Firstly, set the fuse bits to run the microcontroller on its internal clock. The ATmega8A has 3 bytes of fuse bits: High, Low, and Extended. To use the internal 8MHz clock, set the CKSEL fuse bits (CKSEL3..1) to 0100 (4 in decimal and 2 in hexadecimal). You should check the datasheet to ensure you set these correctly.
    For using JTAG, ensure that the JTAGEN fuse bit is programmed.
    Here's how the fuse settings should look:
    • Low fuse byte (Fuse Low Byte - FLB): The CKSEL bits should be set to 0100 i.e., 0xE4 if you want to divide the clock by 8, else 0xE2.
    • High fuse byte (Fuse High Byte - FHB): To enable JTAG, make sure the JTAGEN bit is unprogrammed i.e., 0xD9.
    Confirm the Fuse settings with the datasheet or use an online fuse calculator available for ATmega8.
  2. Wire the JTAG Interface: This would typically involve connecting the JTAG pins of your programmer to the JTAG pins of the ATmega8 (TCK, TMS, TDI, and TDO). Here's how you should connect them:
    • TCK (Test Clock input) - Connect to pin PD6 of ATMEGA8A-AU (Pin 9).
    • TMS (Test Mode Select input) - Connect to pin PD7 of ATMEGA8A-AU (Pin 10).
    • TDI (Test Data In input) - Connect to pin PB5 of ATMEGA8A-AU (Pin 16).
    • TDO (Test Data Out output) - Connect to pin PB6 of ATMEGA8A-AU (Pin 6).
  3. Provide Power and Ground: Connect the VCC and GND pins on your programmer to VCC and GND on the ATmega8A-AU. VCC (Pin 3 and 5) and GND (Pin 2 and 4).
  4. Burn the Data: You should now be able to use your JTAG programmer's software to burn the data into the microcontroller.
Remember that PD4 (Pin 1) is the JTAGEN pull-up pin, and it should be connected via a resistor to VCC.
Please refer to the ATmega8A datasheet for in-depth information on these matters and bear in mind that mishandling of Fuse bits can render your MCU non-responsive. Use an online fuse calculator for ATmega8 to double-check your settings.
1y
so what to connect and where to connect it
1y
To connect the ATMEGA8A-AU for programming with a JTAG interface, you would need to connect the following pins:
  1. Power pins: Connect VCC and GND pins on your JTAG programmer to VCC and GND on the ATmega8A-AU.
    • Connect the JTAG programmer's VCC to VCC on ATMEGA8A-AU, which are pins 3 and 5.
    • Connect the JTAG programmer's GND to GND on ATMEGA8A-AU, which are pins 2 and 4.
  2. JTAG pins: Connect the following pins:
    • Connect TCK (Test Clock input) on the JTAG programmer to pin PD6 of ATMEGA8A-AU, which is pin 9.
    • Connect TMS (Test Mode Select input) on the JTAG programmer to pin PD7 of ATMEGA8A-AU, which is pin 10.
    • Connect TDI (Test Data In input) on the JTAG programmer to pin PB5 of ATMEGA8A-AU, which is pin 16.
    • Connect TDO (Test Data Out output) on the JTAG programmer to pin PB6 of ATMEGA8A-AU, which is pin 6.
Please be aware that you need to match these pins on your specific JTAG programmer, as they can be labeled differently depending on the manufacturer.
Remember to enable the internal clock via the fuse settings for the ATMEGA8A-AU and ensure your JTAG interface is enabled as well before attempting to program the microcontroller.
1y
recommend a replacement for U1.

@copilot recommend a replacement for U1.
1y
Replacing the ATmega8A-AU microcontroller should be based on the requirements of your project, such as the computing power, pin count, and power consumption. If you're looking for a similar microcontroller with more features, here are two options:
  1. ATmega328P-AU: This is the microcontroller used in the popular Arduino Uno board. It has the same pin configuration as the ATmega8A but with twice the flash memory (32 KB), SRAM (2 KB), and EEPROM (1 KB). It's a perfect choice if you're planning to extend the features of your project.
    Properties: Pins: 32 Manufacturer: Microchip Core Processor: AVR Core Size: 8-bit Connectivity: I²C, SPI, USART Number of I/O: 23 Program Memory Size: 32KB (16K x 16) Flash Size: 32KB
  2. ATmega16A-AU: This chip is a step up from the ATmega8A. It has all the features of the ATmega8A with twice the flash memory (16 KB), SRAM (1 KB), and EEPROM (512 B).
    Properties: Pins: 44 Manufacturer: Microchip Core Processor: AVR Core Size: 8-bit Connectivity: I²C, SPI, USART Number of I/O: 32 Program Memory Size: 16KB (8K x 16) Flash Size: 16KB
Remember to validate that your firmware will be compatible with the new microcontroller, especially, if there are specific peripherals or features that your current firmware uses. Also, ensure that replaced microcontroller can accommodate the input and output requirements of your design.
1y
1
U1
Not Recommended for New Designs

Metropolitan Silver Antigravity Battle Room

Metropolitan Silver Antigravity Battle Room
Description

Created
November 9th 2023
Last updated by ziondido
a year ago
1 Contributor(s)
ziondido

Controls

Properties

Availability & Pricing

DistributorQty 1
Digi-Key$5.08
LCSC$2.98
Mouser$5.08

Assets

    Simulation

    µs

    Simulation Speed

    Hey, I’m Copilot, your AI design assistant. I can help you brainstorm ideas, deb...
    Hey, I’m Copilot, your AI design assistant. I can help you brainstorm ideas, debug problems, research components, and even make wiring connections for you. Ask me questions like:
    • @copilot I'm designing a PCB for a medical device that measures heart rate and temperature. Can you give me the list of components I will need?
    • @copilot How would I connect these parts to make the LED flash at 1kHz?
    • @copilot can you choose 4 digital pins on the ATMega328P-AU that I have here to use as GPIO given that I am already using some pins for reset, the external clock, UART, and I2C.
    Chat with me by tagging @copilot on comments or in the chat.
    1y
    Someone is typing...
    Checks that the power traveling across a given resistor is under its rating with 50% headroom.
    Learn more
    Checks that IC pins that require pull up or pull down resistors have them.
    Learn more
    Checks that capacitors have appropriate voltage ratings to prevent overheating and ensure reliable circuit operation.
    Checks that all parts have a part number and are available from distributors.
    Reports copper elements that are shorting.
    Reports parts that have no footprint.
    Reports nodes that are assigned to a layer that doesn't exist in the layout stackup.
    Reports components that have been modified using the "!important" flag.
    Reports terminals that are not connected properly. NOTE: Only connections to the center of pads are considered valid.
    Reports nodes that are using rules that are not supported anymore.
    Reports layers that have multiple copper fills of different nets. Make sure the Connected Layers rule value of nets with fills is valid.
    Detect any via, trace or copper fill island that is not connected to any net.