Atmel AVR XMEGA AU series

305
8331B–AVR–03/12
Atmel AVR XMEGA AU
Figure 23-9. Fractional baud rate example.
BSEL=0
BSCALE=0
f
BAUD
=f
PER
/8
clk
BAUD8
clk
BAUD8
BSEL=3
BSCALE=-6
f
BAUD
=f
PER
/8.375
clk
BAUD8
BSEL=3
BSCALE=-4
f
BAUD
=f
PER
/9.5
Extra clock cycle added