Datasheet

306
8331B–AVR–03/12
Atmel AVR XMEGA AU
Table 23-5. USART Baud rate.
Baud f
OSC
= 32.0000MHz
rate
(bps)
CLK2X = 0 CLK2X = 1
BSEL BSCALE Error [%] BSEL BSCALE Error [%]
2400 12 6 0.2 12 7 0.2
4800 12 5 0.2 12 6 0.2
9600 12 4 0.2 12 5 0.2
14.4k
34 2 0.8 34 3 0.8
138 0 -0.1 138 1 -0.1
19.2k 12 3 0.2 12 4 0.2
28.8k
34 1 -0.8 34 2 -0.8
137 -1 -0.1 138 0 -0.1
38.4k 12 2 0.2 12 3 0.2
57.6k
34 0 -0.8 34 1 -0.8
135 -2 -0.1 137 -1 -0.1
76.8k 12 1 0.2 12 2 0.2
115.2k
33 -1 -0.8 34 0 -0.8
131 -3 -0.1 135 -2 -0.1
230.4k
31 -2 -0.8 33 -1 -0.8
123 -4 -0.1 131 -3 -0.1
460.8k
27 -3 -0.8 31 -2 -0.8
107 -5 -0.1 123 -4 -0.1
921.6k
19 -4 -0.8 27 -3 -0.8
75 -6 -0.1 107 -5 -0.1
1.382M
7-40.615-30.6
57 -7 0.1 121 -6 0.1
1.843M
3 -5-0.819 -4-0.8
11 -7 -0.1 75 -6 -0.1
2.00M 0 0 0.0 1 0 0.0
2.304M – – –
3-2-0.8
47 -6 -0.1
2.5M – – –
19 -4 0.4
77 -7 -0.1
3.0M – – –
11 -5 -0.8
43 -7 -0.2
4.0M –––000.0
Max 2.0Mbps 4.0Mbps