ATMEGA16U2-16AU Atmel, ATMEGA16U2-16AU Datasheet - Page 173

• Manufacturer Part Number: ATMEGA16U2-16AU
• Description: 8-bit Microcontrollers - MCU 16K Flash
• Manufacturer: Atmel

Specifications of ATMEGA16U2-16AU

• Product Category: 8-bit Microcontrollers - MCU
• Rohs: yes
• Core: AVR
• Data Bus Width: 8 bit
• Program Memory Size: 16 KB
• Data Ram Size: 1.25 KB
• Data Rom Size: 512 B
• Program Memory Type: Flash
• Factory Pack Quantity: 1250

Table 18-10. Examples of UBRRn Settings for Commonly Used Oscillator Frequencies (Continued)
1.
7799D–AVR–11/10
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)
UBRR = 0, Error = 0.0%
f
U2Xn = 0
UBRR
osc
95
47
23
15
11
7
5
3
2
1
0
0
–
–
230.4 kbps
= 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%
–
–
U2Xn = 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
U2Xn = 0
UBRR
osc
103
51
25
16
12
8
6
3
2
0
0
–
–
1
= 4.0000 MHz
250 kbps
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%
–
–
U2Xn = 1
UBRR
207
103
51
34
25
16
12
8
6
3
1
1
0
–
0.5 Mbps
Error
ATmega8U2/16U2/32U2
-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
U2Xn = 0
UBRR
osc
191
95
47
31
23
15
11
7
5
3
1
1
0
–
460.8 kbps
= 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%
–
U2Xn = 1
UBRR
383
191
95
63
47
31
23
15
11
7
3
3
1
0
921.6 kbps
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%
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