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how do I connect U1 and J1?
drmosfet

drmosfet

@copilot how do I connect U1 and J1?
2y

copilot

Sure! Based on the given components, we can make some assumptions on the connections:
  • U1 (RP2040) is a microcontroller, commonly used in various projects.
  • J1 appears to be a USB connector, based on the pin names.
Here's how you can connect U1 (RP2040) to J1 (USB connector):
USB Data Connections
  • Connect J1:9 (D+) to U1:47 (USB_DP)
  • Connect J1:11 (D-) to U1:46 (USB_DM)
Power Connections
  • Connect J1:15 (VBUS) to U1:44 (VREG_VIN)
  • Connect J1:5 (GND) to U1:57 (GND)
Additional Connections
  • Connect J1:13 (CC2) to a resistor (typically $5.1k\Omega$) to GND
  • Connect J1:14 (CC1) to a resistor (typically $5.1k\Omega$) to GND
These connections should provide the basic wiring required to interface the RP2040 microcontroller with the USB connector.
Please let me know if you have any additional requirements or adjustments!
2y
2
how do I connect U1 and J1?
drmosfet

drmosfet

@copilot how do I connect U1 and J1?
2y

copilot

To connect the RP2040 (U1) to the J1 connector, you'll typically make the following connections:
USB Connection (for data and power)
  1. USB Data D+ and D-:
  2. USB VBUS:
  3. Ground Connections:
USB Configuration Channels
  1. USB CC1 and CC2: These pins are typically used to determine the role of the device (host or device) and negotiate power delivery. On the RP2040, you may not directly connect them to the MCU, but you should ensure they are terminated correctly according to your USB implementation.
Therefore, the initial set of connections looks like this:
With these connections, your RP2040 microcontroller should be set up to communicate with a USB device via the J1 connector. If you need further modifications or specific connections for other GPIO pins or additional features, please let me know!
2y
3
J1
U1 USB_DM - J1 D-
U1 USB_DP - J1 D+
U1 USB_DM - J1 D-
U1 GND - J1 SHELL_GND
U1 USB_DP - J1 D+
U1 GND - J1 SHELL_GND
U1 VREG_VIN - J1 VBUS
U1 VREG_VIN - J1 VBUS
U1 GND - J1 SHELL_GND
U1

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