W55RP20 Hardware design guide

Alan

Published October 29, 2024

Project description

INTRO I have completed documentation on the HW design for WIZnet's new chip, the W55RP20. We will focus on WIZnet's official module, the W55RP20-EVB-Pico. POWER First, let's look at the power section. The EMC performance can vary significantly depending on how this section is designed, so it must be done with care. Pins related to the power of the W55RP20 include AVDD, IOVDD, VDD, VREG_IN, USB_VDD, DVDD, VREG_OUT, TOCAP, and 1V2O. Please refer to Raspberry Pi RP2040 Datasheet for VREG_IN, IOVDD, USB_VDD, and VREG_OUT Pin. The VDD is the main power source of the W55RP20. It should be powered…

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