A000047 Arduino, A000047 Datasheet - Page 231
A000047
Manufacturer Part Number
A000047
Description
MCU, MPU & DSP Development Tools Mega2560
Manufacturer
Arduino
Series
-r
Type
MCUr
Specifications of A000047
Processor To Be Evaluated
ATmega2560
Interface Type
USB, I2C, SPI
Dimensions
4 in x 2.1 in
Operating Supply Voltage
5 V
Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega2560
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Table 21-12. Examples of UBRRn Settings for Commonly Used Oscillator Frequencies (Continued)
1.
2549M–AVR–09/10
Max.
115.2 K
230.4 K
14.4 K
19.2 K
28.8 K
38.4 K
57.6 K
76.8 K
250 K
Baud
(bps)
0.5 M
Rate
2400
4800
9600
1 M
(1)
UBRR = 0, Error = 0.0%
UBRR
416
207
103
68
51
34
25
16
12
8
3
3
1
0
U2Xn = 0
1 Mbps
f
osc
-0.1%
-0.8%
-3.5%
Error
0.2%
0.2%
0.6%
0.2%
0.2%
2.1%
0.2%
8.5%
0.0%
0.0%
0.0%
= 16.0000 MHz
UBRR
832
416
207
138
103
68
51
34
25
16
8
7
3
1
U2Xn = 1
2 Mbps
-0.1%
-0.1%
-0.8%
-3.5%
Error
0.0%
0.2%
0.2%
0.6%
0.2%
0.2%
2.1%
0.0%
0.0%
0.0%
UBRR
479
239
119
79
59
39
29
19
14
9
4
4
–
–
1.152 Mbps
U2Xn = 0
f
osc
ATmega640/1280/1281/2560/2561
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
–
= 18.4320 MHz
UBRR
959
479
239
159
119
79
59
39
29
19
9
8
2.304 Mbps
4
–
U2Xn = 1
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
2.4%
0.0%
0.0%
–
UBRR
520
259
129
86
64
42
21
15
10
32
4
4
–
–
1.25 Mbps
U2Xn = 0
f
osc
-0.2%
-1.4%
-1.4%
-1.4%
Error
0.0%
0.2%
0.2%
0.2%
0.9%
1.7%
8.5%
0.0%
–
–
= 20.0000 MHz
UBRR
1041
520
259
173
129
21
86
64
42
32
10
9
4
–
U2Xn = 1
2.5 Mbps
-0.2%
-0.2%
-1.4%
-1.4%
-1.4%
Error
0.0%
0.0%
0.2%
0.2%
0.2%
0.9%
0.0%
0.0%
–
231
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