at90ls4433 ATMEL Corporation, at90ls4433 Datasheet - Page 60

• Manufacturer Part Number: at90ls4433
• Description: At90s4433 8-bit Avr Microcontroller With 4k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

Table 19. UBR Settings at Various Crystal Frequencies
60
AT90S/LS4433
Baud Rate
Baud Rate 3.2768 MHz %Error
Baud Rate 7.3728 MHz %Error
115200 UBR=
115200 UBR=
115200 UBR=
14400 UBR=
19200 UBR=
28800 UBR=
38400 UBR=
57600 UBR=
76800 UBR=
14400 UBR=
19200 UBR=
28800 UBR=
38400 UBR=
57600 UBR=
76800 UBR=
14400 UBR=
19200 UBR=
28800 UBR=
38400 UBR=
57600 UBR=
76800 UBR=
2400 UBR=
4800 UBR=
9600 UBR=
2400 UBR=
4800 UBR=
9600 UBR=
2400 UBR=
4800 UBR=
9600 UBR=
1 MHz %Error
191
25
12
84
42
20
13
10
95
47
31
23
15
11
6
3
2
1
1
0
0
0
6
4
3
2
1
7
5
3
22.9 UBR=
22.9 UBR=
84.3 UBR=
12.5 UBR=
12.5 UBR=
12.5 UBR=
0.2 UBR=
0.2 UBR=
7.5 UBR=
7.8 UBR=
7.8 UBR=
7.8 UBR=
7.8 UBR=
0.4 UBR=
0.8 UBR=
1.6 UBR=
1.6 UBR=
3.1 UBR=
1.6 UBR=
6.3 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
1.8432 MHz %Error
3.6864 MHz %Error
8 MHz %Error
207
103
47
23
11
95
47
23
15
11
51
34
25
16
12
7
5
3
2
1
1
0
7
5
3
2
1
8
6
3
33.3 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.2 UBR=
0.2 UBR=
0.2 UBR=
0.8 UBR=
0.2 UBR=
2.1 UBR=
0.2 UBR=
3.7 UBR=
7.5 UBR=
7.8 UBR=
9.216 MHz %Error
2 MHz %Error
4 MHz %Error
103
239
119
51
25
12
51
25
16
12
59
39
29
19
14
8
6
3
2
1
1
0
8
6
3
2
1
9
7
4
22.9 UBR=
0.2 UBR=
0.2 UBR=
0.2 UBR=
3.7 UBR=
7.5 UBR=
7.8 UBR=
7.8 UBR=
7.8 UBR=
7.8 UBR=
0.2 UBR=
0.2 UBR=
0.2 UBR=
2.1 UBR=
0.2 UBR=
3.7 UBR=
7.5 UBR=
7.8 UBR=
7.8 UBR=
7.8 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
0.0 UBR=
6.7 UBR=
0.0 UBR=
2.4576 MHz %Error
11.059 MHz %Error
4.608 MHz %Error
119
287
143
63
31
15
10
59
29
19
14
71
47
35
23
17
11
7
4
3
2
1
0
9
7
4
3
2
8
5
12.5
25.0
20.0
-
0.0
0.0
0.0
3.1
0.0
6.3
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
6.7
0.0
6.7
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
1042H–AVR–04/03