The QSPI pins can also be used as GPIOs if not used to interface a flash. A Quad SPI (SPI with four data lines) interface is used for the flash interface. These pins are used to interface an external flash memory since RP2040 does not have an internal flash capacity. The USB bootloader requires a 12MHz crystal or 12MHz XIN can also be used as a single-ended CMOSĬlock input, with XOUT disconnected. Required, this pin can be tied directly to IOVDD.Ĭonnect a crystal to RP2040’s crystal oscillator. Reset when driven low, run when driven high. Single external ground connection, bonded to a number of internal ground pads on the RP2040 die. Power output for the internal core voltage regulator, nominal voltage 1.1V, 100mA max current Power input for the internal core voltage regulator, nominal voltage 1.8V to 3.3V Power supply for internal USB Full Speed PHY, nominal voltage 3.3V Power supply for analogue-to-digital converter, nominal voltage 3.3V Can be connected to VREG_VOUT, or to some Power supply for digital GPIOs, nominal voltage 1.8V to 3.3Vĭigital core power supply, nominal voltage 1.1V.
Pins with similar names are internally connected together and it is also recommended to the connections externally when designing a PCB. Here is a list of pins used to supply power, clock, and other control signals. RP2040 Pinout RP2040 Pinout Pinout Reference Power & Control Raspberry-Pi-Pico-Pinout-r0.3-CIRCUITSTATE-Electronics Download Old Versions Click the link to open an interactive preview, or download it directly. PDF preview may not load on mobile devices. License: CC-BY-SA by CIRCUITSTATE Electronics. If you found any errors here, please let us know in the comments. Please also double-check the pin assignments with that from the official documentation. While we try our best to be accurate and up-to-date here, we can not guarantee correctness. Pinouts are based on the latest documentation from Raspberry Pi. This pinout is also applicable for other board variants such as Raspberry Pi Pico H, W, and the WIZnet WizFi360 Pico.
You are free to download, modify and redistribute the design under Creative Commons Attribution 4.0 International License. But we thought we could a better job at designing one ourselves that also includes the Arduino pins. Raspberry Pi has a pinout diagram for the Pico board here. Pinout Diagram Raspberry Pi Pico header and headerless versions
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