AT90PWM216-16SE ATMEL [ATMEL Corporation], AT90PWM216-16SE Datasheet - Page 210

• Manufacturer Part Number: AT90PWM216-16SE
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable flash
• Manufacturer: ATMEL [ATMEL Corporation]

Table 18-10. Examples of UBRR Settings for Commonly Frequencies (Continued)
1.
210
Baud
Rate
(bps)
2400
4800
9600
14.4k
19.2k
28.8k
38.4k
57.6k
76.8k
115.2k
230.4k
250k
500k
1M
Max.
(1)
UBRR = 0, Error = 0.0%
AT90PWM216/316
f
U2X = 0
UBRR
clk
95
47
23
15
11
7
5
3
2
1
0
0
–
–
230.4 kbps
io
= 3.6864 MHz
Error
-7.8%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
–
U2X = 1
UBRR
191
95
47
31
23
15
11
7
5
3
1
1
0
–
460.8 kbps
Error
-7.8%
-7.8%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
f
U2X = 0
UBRR
clk
103
51
25
16
12
8
6
3
2
1
0
0
–
–
io
250 kbps
= 4.0000 MHz
Error
-3.5%
-7.0%
0.2%
0.2%
0.2%
2.1%
0.2%
8.5%
8.5%
8.5%
8.5%
0.0%
–
–
U2X = 1
UBRR
207
103
51
34
25
16
12
8
6
3
1
1
0
–
0.5 Mbps
Error
-0.8%
-3.5%
-7.0%
0.2%
0.2%
0.2%
0.2%
2.1%
0.2%
8.5%
8.5%
0.0%
0.0%
–
f
U2X = 0
UBRR
clk
191
95
47
31
23
15
11
7
5
3
1
1
0
–
460.8 kpbs
io
= 7.3728 MHz
Error
-7.8%
-7.8%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
U2X = 1
UBRR
383
191
63
47
95
31
23
15
11
7
3
3
1
0
921.6 kbps
7710D–AVR–08/09
Error
-7.8%
-7.8%
-7.8%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%