ATMEGA2561-16AI Atmel, ATMEGA2561-16AI Datasheet - Page 228
ATMEGA2561-16AI
Manufacturer Part Number
ATMEGA2561-16AI
Description
IC AVR MCU 256K 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA2561-16AI
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
256KB (128K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table 21-9.
1.
2549M–AVR–09/10
Max.
115.2 K
230.4 K
57.6 K
76.8 K
250 K
Baud
(bps)
Rate
(1)
UBRR = 0, Error = 0.0%
UBRR
0
–
–
–
–
62.5 Kbps
Examples of UBRRn Settings for Commonly Used Oscillator Frequencies
U2Xn = 0
f
osc
Error
8.5%
–
–
–
–
= 1.0000 MHz
UBRR
1
1
0
–
–
U2Xn = 1
125 Kbps
-18.6%
Error
8.5%
8.5%
–
–
UBRR
1
1
0
–
–
115.2 Kbps
U2Xn = 0
f
-25.0%
osc
ATmega640/1280/1281/2560/2561
Error
0.0%
0.0%
–
–
= 1.8432 MHz
UBRR
2
3
1
0
–
230.4 Kbps
U2Xn = 1
Error
0.0%
0.0%
0.0%
0.0%
–
UBRR
1
1
0
–
–
U2Xn = 0
125 Kbps
f
-18.6%
osc
Error
8.5%
8.5%
–
–
= 2.0000 MHz
UBRR
3
2
1
–
0
U2Xn = 1
250 Kbps
Error
8.5%
8.5%
8.5%
0.0%
–
228
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