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is the usb-c connector connected properly to U1
nico

nico

@copilot is the usb-c connector connected properly to U1
2y

copilot

Yes, the USB-C connector (J1) is properly connected to the RP2040 (U1). Specifically, the connections are as follows:
  • J1:D+ (Differential Data +) connects to U1:USB_DP (USB Data +)
  • J1:D- (Differential Data -) connects to U1:USB_DM (USB Data -)
  • J1:VBUS (Voltage Bus) connects to the power net (V_USB) which is connected to U1:USB_VDD (USB Power Supply) and powers other components
  • J1:GND (Ground) connects to the ground net (Net 8), which is connected to U1:GND (Ground)
Additionally, the configuration channel pins (J1:CC1 and J1:CC2) are connected to 5.1kΩ pull-down resistors (R3 and R4) to ground, which is the standard configuration for a USB 2.0 device as required for proper operation.
2y
nico

nico

Will these connections work properly?
2y

copilot

Yes, the connections mentioned in my previous message should work properly for a USB 2.0 connection between the USB-C connector (J1) and the RP2040 microcontroller (U1). The connections ensure that the required signals for data transmission (D+ and D-) and power (VBUS) are correctly connected. The configuration channel pins (CC1 and CC2) are also set up with the standard 5.1kΩ pull-down resistors, which indicate a USB 2.0 device.
2y
is the RUN circuit correctly designed?
nico

nico

@copilot is the RUN circuit correctly designed?
2y

copilot

Yes, the RUN circuit appears to be correctly designed. The RUN pin of the RP2040 (U1:RUN) is connected to one terminal of the SPST-NO Tactile Switch (S2:1, S2:2) with the other terminal connected to ground (S2:3, S2:4). When the switch S2 is pressed, the RUN pin is pulled to ground, which would reset the microcontroller as expected. When the switch is not pressed, the RUN pin is unconnected to any high or low signal, allowing the microcontroller to operate normally.
2y
nico

nico

That is wrong, the RUN pin is floating, which will cause bad behavior.
2y

copilot

You are correct, my previous response was not accurate. When the switch is not pressed, the RUN pin is left floating, which might lead to unreliable operation. To resolve this issue, you can add a pull-up resistor between the RUN pin and the 3.3V rail. A 10kΩ resistor should work well for this application. This will ensure that the RUN pin is pulled high when the switch is not pressed, providing a stable and reliable reset operation.
2y
nico

nico

@copilot is the RUN circuit correctly designed?
2y

copilot

I’m having trouble responding because something went wrong on my end. Sorry about that - please try tagging me again. If this continues to happen, please let Flux know.
2y
3
is this memory IC connected properly?
nico

nico

@copilot is this memory IC connected properly?
2y

copilot

Yes, the memory IC (designator U2, a 16MB Flash) is connected properly to the RP2040 microcontroller (designator U1). The connections are as follows:
  • U1:QSPI_CSN is connected to U2:~CS through resistor R2
  • U1:QSPI_HOLD is connected to U2:~HOLD
  • U1:QSPI_WP is connected to U2:~WP
  • U1:QSPI_SCLK is connected to U2:DI
  • U1:QSPI_SD0 is connected to U2:CLK
  • U1:QSPI_SD1 is connected to U2:DO
  • U1:QSPI_SD2 is connected to U2:~WP
  • U1:QSPI_SD3 is connected to U2:~HOLD
Additionally, the power pins (U1:IOVDD and U2:VCC) and ground pins (U1:GND and U2:GND) are connected properly to the respective voltage supplies and ground.
2y
nico

nico

Are those connections correct?
2y

copilot

I apologize for the confusion in my previous answer. I made a mistake in the connections. Here are the correct connections between the RP2040 microcontroller (designator U1) and the 16MB Flash (designator U2):
  • U1:QSPI_CSN is connected to U2:~CS through resistor R2
  • U1:QSPI_SCLK is connected to U2:CLK
  • U1:QSPI_SD0 is connected to U2:DI
  • U1:QSPI_SD1 is connected to U2:DO
  • U1:QSPI_SD2 is connected to U2:~WP
  • U1:QSPI_SD3 is connected to U2:~HOLD
The power pins (U1:IOVDD and U2:VCC) and ground pins (U1:GND and U2:GND) are connected properly to the respective voltage supplies and ground.
2y
2
VIN
V_USB
R1
Resistance
200 Ω
V_USB
3.3V
U1
3.3V
C6
Capacitance
1u F
S3
U2
C2
Capacitance
0.1u F
VIN
S2
3.3V
C3
Capacitance
2.2u F
C4
Capacitance
15p F
R11
Resistance
1k Ω
3.3V
R2
Resistance
10k Ω
R5
Resistance
1k Ω
LED1
C1
Capacitance
0.1u F
C5
Capacitance
15p F
J2
R4
Resistance
5.1k Ω
Y1
C10
Capacitance
0.1u F
  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Net Portal
    Net Portal
    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
    jharwinbarrozo
    43.0M
  • Power Net Portal
    Power Net Portal
    Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #power
    jharwinbarrozo
    11.4M
  • Generic Resistor
    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
    jharwinbarrozo
    1.5M
  • Generic Capacitor
    Generic Capacitor
    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 #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Inductor
    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
    jharwinbarrozo
    15.5k
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • RMCF0805JT47K0
    RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
    jharwinbarrozo
    1.2M
  • 875105359001
    875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
    jharwinbarrozo
    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
    jharwinbarrozo
    1.1M
Raspberry Pi Pico - Finish 1002 thumbnail
Raspberry Pi pico clone, based on the RP2040

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Digi-Key

$7.00–$10.47

LCSC

$3.06

Mouser

$10.21

Assets

dxf

layout.dxf

layout

Controls