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A comment on iPhone 15 and iPhone 15 Plus. Parent comment

Re:iPhone 15 and iPhone 15 Plus by kiririn on Tuesday September 12, 2023 @08:21PM (#37490527)
>It's not a matter of a dedicated processor block on the chip.

Yes it is. It’s just rare for any modern SoC to leave out an XHCI controller, which the Pi and countless others have in their SoC. Apple was an outlier

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Re:iPhone 15 and iPhone 15 Plus by llm_nerd on Wednesday September 13, 2023 @08:23AM (#37495781)
FWIW the A16 Bionic and earlier have a USB block, they just don't have a USB 3.0 block. They added one in the A17, probably porting over from the M1/M2.

For that matter, neither does the BCM2711 on the RPi4. It leans on an external chip -- almost as large as it -- for USB 3.0 functionality.

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