A000003 Arduino, A000003 Datasheet - Page 196

• Manufacturer Part Number: A000003
• Description: MCU, MPU & DSP Development Tools MINI
• Manufacturer: Arduino
• Series: -r
• Type: MCUr

Specifications of A000003

• Processor To Be Evaluated: Atmega328
• Processor Series: ATmega
• Data Bus Width: 8 bit
• Interface Type: USB, RS-232
• Operating Supply Voltage: 7 V to 9 V
• Contents: Board
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: ATmega168

Table 19-11. Examples of UBRRn Settings for Commonly Used Oscillator Frequencies (Continued)
1.
196
Baud
Rate
(bps)
2400
4800
9600
14.4k
19.2k
28.8k
38.4k
57.6k
76.8k
115.2k
230.4k
250k
0.5M
1M
Max.
(1)
UBRRn = 0, Error = 0.0%
ATmega48/88/168
UBRRn
207
103
51
34
25
16
12
8
6
3
1
1
0
–
U2Xn = 0
0.5 Mbps
f
osc
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%
–
= 8.0000 MHz
UBRRn
416
207
103
68
51
34
25
16
12
8
3
3
1
0
U2Xn = 1
1 Mbps
Error
-0.1%
-0.8%
-3.5%
0.2%
0.2%
0.6%
0.2%
0.2%
2.1%
0.2%
8.5%
0.0%
0.0%
0.0%
UBRRn
287
143
71
47
35
23
17
11
691.2 Kbps
8
5
2
2
–
–
U2Xn = 0
f
osc
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%
=
–
–
11.0592
UBRRn
1.3824 Mbps
575
287
143
95
71
47
35
23
17
11
5
5
2
–
U2Xn = 1
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%
–
UBRRn
383
191
95
63
47
31
23
15
11
921.6 Kbps
7
3
3
1
0
U2Xn = 0
f
osc
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%
= 14.7456 MHz
UBRRn
1.8432 Mbps
767
383
191
127
95
63
47
31
23
15
7
6
3
1
U2Xn = 1
2545S–AVR–07/10
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%
5.3%