ATMEGA1280V-8AUR Atmel, ATMEGA1280V-8AUR Datasheet - Page 230

• Manufacturer Part Number: ATMEGA1280V-8AUR
• Description: MCU AVR 128K FLASH 8MHZ 100TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA1280V-8AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 86
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• For Use With: ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFPATSTK503 - STARTER KIT AVR EXP MODULE 100P
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 21-11. 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
207
103
51
34
25
16
12
8
6
3
1
1
0
–
U2Xn = 0
0.5 Mbps
f
osc
-0.8%
-3.5%
-7.0%
Error
0.2%
0.2%
0.2%
0.2%
2.1%
0.2%
8.5%
8.5%
0.0%
0.0%
–
= 8.0000 MHz
UBRR
416
207
103
68
51
34
25
16
12
8
3
3
1
0
U2Xn = 1
1 Mbps
-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%
UBRR
287
143
71
47
35
23
17
11
8
5
2
2
–
–
691.2 Kbps
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%
=
–
–
11.0592
UBRR
575
287
143
95
71
47
35
23
17
11
1.3824 Mbps
5
2
5
–
MHz
U2Xn = 1
-7.8%
-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%
–
UBRR
383
191
95
63
31
11
47
23
15
3
1
7
3
0
921.6 Kbps
U2Xn = 0
f
osc
-7.8%
-7.8%
-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%
= 14.7456 MHz
UBRR
767
383
191
127
1.8432 Mbps
95
63
47
31
23
15
7
6
3
1
U2Xn = 1
-7.8%
-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%
5.3%
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