Quote:
Originally Posted by Mark1960
Quote:
Originally Posted by SiriusHardware
The white band is an unavoidable by-product from when the UART wakes up, it happens to produce white level at that point and it takes a finite amount of time to then turn the state of the output to the other (black) level under program control.
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Might be a stupid question, but could we just initialise the UART earlier, so that it is reset before the visible area of the picture?
Edit: Or maybe initialise the UART only once after reset instead of on every line? |
There are technical reasons the UART needs turning off - I can't quite remember what they were or if Karen fully explained it.