Rainbow Electronics AT90LS4433 User Manual
Page 60
60
AT90S/LS4433
1042G–AVR–09/02
Table 19. UBR Settings at Various Crystal Frequencies
Baud Rate
1 MHz %Error
1.8432 MHz %Error
2 MHz %Error
2.4576 MHz %Error
2400 UBR=
25
0.2 UBR=
47
0.0 UBR=
51
0.2 UBR=
63
0.0
4800 UBR=
12
0.2 UBR=
23
0.0 UBR=
25
0.2 UBR=
31
0.0
9600 UBR=
6
7.5 UBR=
11
0.0 UBR=
12
0.2 UBR=
15
0.0
14400 UBR=
3
7.8 UBR=
7
0.0 UBR=
8
3.7 UBR=
10
3.1
19200 UBR=
2
7.8 UBR=
5
0.0 UBR=
6
7.5 UBR=
7
0.0
28800 UBR=
1
7.8 UBR=
3
0.0 UBR=
3
7.8 UBR=
4
6.3
38400 UBR=
1
22.9 UBR=
2
0.0 UBR=
2
7.8 UBR=
3
0.0
57600 UBR=
0
7.8 UBR=
1
0.0 UBR=
1
7.8 UBR=
2
12.5
76800 UBR=
0
22.9 UBR=
1
33.3 UBR=
1
22.9 UBR=
1
0.0
115200 UBR=
0
84.3 UBR=
0
0.0 UBR=
0
7.8 UBR=
0
25.0
Baud Rate 3.2768 MHz %Error
3.6864 MHz %Error
4 MHz %Error
4.608 MHz %Error
2400 UBR=
84
0.4 UBR=
95
0.0 UBR=
103
0.2 UBR=
119
0.0
4800 UBR=
42
0.8 UBR=
47
0.0 UBR=
51
0.2 UBR=
59
0.0
9600 UBR=
20
1.6 UBR=
23
0.0 UBR=
25
0.2 UBR=
29
0.0
14400 UBR=
13
1.6 UBR=
15
0.0 UBR=
16
2.1 UBR=
19
0.0
19200 UBR=
10
3.1 UBR=
11
0.0 UBR=
12
0.2 UBR=
14
0.0
28800 UBR=
6
1.6 UBR=
7
0.0 UBR=
8
3.7 UBR=
9
0.0
38400 UBR=
4
6.3 UBR=
5
0.0 UBR=
6
7.5 UBR=
7
6.7
57600 UBR=
3
12.5 UBR=
3
0.0 UBR=
3
7.8 UBR=
4
0.0
76800 UBR=
2
12.5 UBR=
2
0.0 UBR=
2
7.8 UBR=
3
6.7
115200 UBR=
1
12.5 UBR=
1
0.0 UBR=
1
7.8 UBR=
2
20.0
Baud Rate 7.3728 MHz %Error
8 MHz %Error
9.216 MHz %Error
11.059 MHz %Error
2400 UBR=
191
0.0 UBR=
207
0.2 UBR=
239
0.0 UBR=
287
-
4800 UBR=
95
0.0 UBR=
103
0.2 UBR=
119
0.0 UBR=
143
0.0
9600 UBR=
47
0.0 UBR=
51
0.2 UBR=
59
0.0 UBR=
71
0.0
14400 UBR=
31
0.0 UBR=
34
0.8 UBR=
39
0.0 UBR=
47
0.0
19200 UBR=
23
0.0 UBR=
25
0.2 UBR=
29
0.0 UBR=
35
0.0
28800 UBR=
15
0.0 UBR=
16
2.1 UBR=
19
0.0 UBR=
23
0.0
38400 UBR=
11
0.0 UBR=
12
0.2 UBR=
14
0.0 UBR=
17
0.0
57600 UBR=
7
0.0 UBR=
8
3.7 UBR=
9
0.0 UBR=
11
0.0
76800 UBR=
5
0.0 UBR=
6
7.5 UBR=
7
6.7 UBR=
8
0.0
115200 UBR=
3
0.0 UBR=
3
7.8 UBR=
4
0.0 UBR=
5
0.0