USART

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This topic has 2 replies, 3 voices, and was last updated 13 years, 8 months ago by Amrith.

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June 7, 2012 at 10:18 am #1833

meir
Participant

Hi,

I’m doing a project with atmega16 that I need USART with baud rate 9600.

I’m using a 7.3728 MHz crystal. Is this the clock that I need to calculate UBRRL value?

Thank You

June 7, 2012 at 6:05 pm #7978

AJISH ALFRED
Participant

I thing, you are on the right track.

June 11, 2012 at 11:31 am #7996

Amrith
Participant

You are doing correct. Using a 7.3728 crystal, for 9600 Baud rate the UBRRL value would be 0x2F in hexdecimal or 47 in decimal.
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