MEGA128CAN Datasheet, PDF (197/413 Pages) ATMEL Corporation – Microcontroller WITH 128K BYTES OF ISP FLASH AND CAN CONTROLLER

AT90CAN128
Table 86. Examples of UBRRn Settings for Commonly Frequencies (Continued)
Baud
Rate
(bps)
fclk_io = 8.0000 MHz
U2Xn = 0
U2Xn = 1
UBRRn Error UBRRn Error
fclk_io = 10.000 MHz
U2Xn = 0
U2Xn = 1
UBRRn Error UBRRn Error
fclk_io = 11.0592 MHz
U2Xn = 0
U2Xn = 1
UBRRn Error UBRRn Error
2400
207
0.2%
416
-0.1% 259
0.2%
520
0.0%
287
0.0%
575
0.0%
4800
103
0.2%
207
0.2%
129
0.2%
259
0.2%
143
0.0%
287
0.0%
9600
51
0.2%
103
0.2%
64
0.2%
129
0.2%
71
0.0%
143
0.0%
14.4k
34
-0.8%
68
0.6%
42
0.9%
86
0.2%
47
0.0%
95
0.0%
19.2k
25
0.2%
51
0.2%
32
-1.4%
64
0.2%
35
0.0%
71
0.0%
28.8k
16
2.1%
34
-0.8%
21
-1.4%
42
0.9%
23
0.0%
47
0.0%
38.4k
12
0.2%
25
0.2%
15
1.8%
32
-1.4%
17
0.0%
35
0.0%
57.6k
8
-3.5%
16
2.1%
10
-1.5%
21
-1.4%
11
0.0%
23
0.0%
76.8k
6
-7.0%
12
0.2%
7
1.9%
15
1.8%
8
0.0%
17
0.0%
115.2k
3
8.5%
8
-3.5%
4
9.6%
10
-1.5%
5
0.0%
11
0.0%
230.4k
1
8.5%
3
8.5%
2
-16.8%
4
9.6%
2
0.0%
5
0.0%
250k
1
0.0%
3
0.0%
2
-33.3%
4
0.0%
2
-7.8%
5
-7.8%
500k
0
0.0%
1
0.0%
–
–
2
-33.3%
–
–
2
-7.8%
1M
Max. ⁽¹⁾
–
–
0.5 Mbps
0
0.0%
1 Mbps
–
–
625 kbps
–
–
1.25 Mbps
–
–
691.2 kbps
–
–
1.3824 Mbps
1.
UBRRn = 0, Error = 0.0%
4250E–CAN–12/04
197