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ATmega8U2 usb-serial firmware doesn't work at 300 (UBBR overflows) [imported] #542

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@cmaglie

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This is Issue 542 moved from a Google Code project.
Added by 2011年05月14日T16:29:29.000Z by dmel...@gmail.com.
Please review that bug for more context and additional comments, but update this bug.

Original labels: Type-Defect, Priority-Medium, Component-Build

Original description

The ATmega8U2 firmware overflows UBBR at 300 baud because it sets the U2X bit, yielding a setting that overflows the 12-bits. This was masked previously because the Arduino core contained the same bug: (issue #522). I'm fixing that bug, though, so we should fix the firmware too.

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