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What do you mean by USB-C PHY? USB-C is the connector, and you can run USB 1.1/2.0/3.0/3.1 through it, but realistically a RP2040 can not feed even a USB 2.0 PH
by stefan_ 2y ago
What do you mean by USB-C PHY? USB-C is the connector, and you can run USB 1.1/2.0/3.0/3.1 through it, but realistically a RP2040 can not feed even a USB 2.0 PHY.
- 15155 2y agoThe USB version doesn't directly imply link speed - USB 2.0 devices can be LS, FS, HS. The RP2040 can handily saturate LS/FS links. With PIO or the SPI master and DMA you could absolutely make use of a USB HS PHY.
- crote 2y agoA PHY for the USB PD communication over the CC wires. That makes it possible to negotiate things like Alt Modes for a USB-C connector. DIYing one is surprisingly hard due to the voltages and timing involved.