copilot

copilot

valenemaroon664398

copilot

• Flash Memory IC: Winbond 128Mb (16M x 8) SPI - Quad I/O, QPI 104 MHz 8-WSON (6x5)
  • Designators: VCC, GND, EP, D0, D1, CLK, ~CS, WP, HOLD

Mermaid
graph TD
    A[Microcontroller] -->|SPI_CLK| B["Flash Memory IC\nWinbond node_128Mb"]
    A -->|SPI_MISO (D1)| B
    A -->|SPI_MOSI (D0)| B
    A -->|SPI_CS (~CS)| B
    A -->|WP| B
    A -->|HOLD| B
    B -->|VCC| C[3.3V Power Supply]
    B -->|GND| D[GND]
    B -->|EP (Connect to GND via PCB Pad)| D

• Flash Memory IC (Winbond 128Mb)
  • VCC (Pin 8): Connect to 3.3V Power Supply
  • GND (Pin 4): Connect to Ground
  • EP (Pin 9): Connect to Ground or leave unconnected according to layout requirements
  • D0 (Pin 5): SPI_MOSI from Microcontroller
  • D1 (Pin 2): SPI_MISO from Microcontroller
  • CLK (Pin 6): SPI_CLK from Microcontroller
  • ~CS (Pin 1): SPI_CS from Microcontroller
  • WP (Pin 3): Connect to Microcontroller (optional, for Write Protection)
  • HOLD (Pin 7): Connect to Microcontroller (optional, for Hold function)

copilot

1. Power Supply Connections
   • Connect VCC to a 3.3V power supply.
   • Connect GND to the ground of your power source.
2. Interface Connections
   • For a basic SPI setup, connect the ~CS (chip select), CLK (clock), D0 (MOSI), and D1 (MISO) pins to your microcontroller or SPI interface device.
   • Ensure that the WP (write protect) and HOLD pins are pulled high (to VCC) to prevent unintended write protection or pausing of the serial communication.
3. Testing Environment Setup
   • Ensure that you have a logic analyzer or an oscilloscope connected to monitor the SPI communications. This is crucial for debugging.
   • Connect a microcontroller or a SPI interface tool to send and receive commands from the flash memory.

1. Power-On Check
   • Verify that the power supply is correctly providing power to the VCC pin and that the GND connection is secure.
2. SPI Communication Check
   • Send a basic command such as "Read Status Register" to ensure the SPI communication is established. Validate the response using the logic analyzer or oscilloscope.

1. Write Operation
   • Prepare a small data array to write to the memory. Ensure the write protection is disabled by checking the status register.
   • Execute the write command with the data array to a specific address, ensuring the ~CS is used correctly to start and end the transmission.
2. Read Operation
   • Read back the data from the same address where the write operation was performed.
   • Compare the read data with the original data array to ensure integrity.

1. Quad SPI Test
   • If your project plans to use Quad SPI for faster data transfer, ensure D0 (IO0), D1 (IO1), WP (IO2), and HOLD (IO3) are connected and configured for Quad SPI mode.
   • Repeat the write and read test using Quad SPI mode.
2. Deep Power-Down and Release
   • Implement and test the deep power-down command for power saving, followed by a release from power-down command to ensure the device can properly enter and exit low-power states.

1. Review and Debug
   • Review all test results. If any discrepancies or failures are found, debug as necessary. Check wiring, SPI configurations, and software commands.
2. Final Verification
   • Perform a final comprehensive test encompassing power-on, write/read operations, and if applicable, Quad SPI and power-down functionalities.

• Document the Process
  • Keep detailed documentation of each step taken, including any issues encountered and how they were resolved. This will be valuable for future troubleshooting and as a part of the project documentation.

mex

copilot

• Finalidade do Drone: Decida a aplicação do drone (fotografia, corrida, pesquisa, etc.).
• Tamanho e Peso: Calcule o tamanho e o peso máximo do drone para escolher os componentes corretamente.
• Autonomia de Voo: Defina a duração desejada para o voo.

• Motores (M): Escolha motores potentes o suficiente para o peso do drone.
• Controladora de Voo (U1): Escolha um modelo compatível com suas necessidades de controle.
• ESCs (Electronic Speed Controllers) (U2, U3, U4, U5): Para controlar a velocidade de cada motor.
• Bateria (BAT): Assegure-se de que a capacidade (mAh) e a tensão (V) são adequadas para a demanda de energia.
• Receptor de Controle Remoto (U6): Escolha um compatível com seu transmissor.

• Para cada componente, adicione-os ao projeto e nomeie-os corretamente com seus designadores.
  • Conecte: A controladora de voo (U1) aos ESCs (U2, U3, U4, U5) e aos motores.
  • Conecte: A alimentação da bateria (BAT) à placa distribuidora de energia que alimenta os ESCs e a controladora de voo.
  • Conecte: O receptor de controle remoto (U6) à controladora de voo (U1).

• Organize os componentes de maneira que a distribuição de peso seja equilibrada.
• Os motores devem ser colocados nas extremidades da placa.
• Use trilhas de cobre grossas para conexões de alta corrente (motores e bateria).
• Adicione pontos de montagem para fixar a placa no chassi do drone.

• Revise o esquema e o layout para detectar possíveis erros.
• Após a fabricação da PCB, solde todos os componentes.
• Faça testes estáticos para verificar se não há curtos-circuitos.
• Faça testes dinâmicos controlando os motores através da controladora de voo.

• Monte a placa no chassi do drone.
• Calibre os sensores da controladora de voo conforme necessário.
• Realize testes de voo em espaço aberto, começando com voos curtos.