Post Created date
RXC0 bit does not fall down to 0 after reading UDR0 register
Hi all,   With the scope, i see that the RXC0 bit does not fall down. The problem was the fuse settings. Now my atmega runs at 8 Mhz and the RXC0 bit falls to 0...
Friday, 5 June 2015 - 13:50
RXC0 bit does not fall down to 0 after reading UDR0 register
Yes i see the correct characters when my terminal is set at 4800 bauds.  
Tuesday, 2 June 2015 - 09:20
RXC0 bit does not fall down to 0 after reading UDR0 register
Yes it runs at 1MHz, that's why UBRR=12. My dev board is a custom one but the base came from https://www.crystalfontz.com/pro...  
Tuesday, 2 June 2015 - 08:40
RXC0 bit does not fall down to 0 after reading UDR0 register
Good idea Visovian, but i have already tested it: it doesn't work. 
Tuesday, 2 June 2015 - 07:24
RXC0 bit does not fall down to 0 after reading UDR0 register
Thank you for your answer. The debugger sees the RXC0 bit stuck at 1 and the code execution runs really like if RXC0 bit is stuck at 1. But you're right, i'm not...
Monday, 1 June 2015 - 08:49
RXC0 bit does not fall down to 0 after reading UDR0 register
Real chip with debugger
Monday, 1 June 2015 - 08:25