Workaround for 8M mcu to use soft uart. #457
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Are you using 8Mhz crsytal actually, or prescaler(1/2) with 16Mzh? |
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Sure, I have a physical one，and tested on it. Actually, I use it to build my usb to usb bluetooth version. Don't measure its current yet. So I don't know how it will save the battery life. Sorry. |
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Use u2x mode when meets 8M MCUs. And it works perfectly.