ATmega2561R212 Atmel Corporation, ATmega2561R212 Datasheet - Page 336
ATmega2561R212
Manufacturer Part Number
ATmega2561R212
Description
Manufacturer
Atmel Corporation
Specifications of ATmega2561R212
Flash (kbytes)
256 Kbytes
Max. Operating Frequency
16 MHz
Max I/o Pins
54
Spi
3
Twi (i2c)
1
Uart
2
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
AES
Sram (kbytes)
8
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
6
Frequency Band
700/800/900MHz
Max Data Rate (mb/s)
1
Antenna Diversity
No
External Pa Control
Yes
Power Output (dbm)
10
Receiver Sensitivity (dbm)
-110
Receive Current Consumption (ma)
9.0
Transmit Current Consumption (ma)
18 at 5dBm
Link Budget (dbm)
120
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30.2
2549N–AVR–05/11
Fuse Bits
Table 30-2.
Notes:
The ATmega640/1280/1281/2560/2561 has three Fuse bytes.
page 337
Fuse bytes. Note that the fuses are read as logical zero, “0”, if they are programmed.
Table 30-3.
Note:
BLB1 Mode
Extended Fuse Byte
BODLEVEL2
BODLEVEL1
BODLEVEL0
1
2
3
4
1. Program the Fuse bits and Boot Lock bits before programming the LB1 and LB2.
2. “1” means unprogrammed, “0” means programmed.
1. See
Memory Lock Bits
describe briefly the functionality of all the fuses and how they are mapped into the
–
–
–
–
–
Lock Bit Protection Modes
Extended Fuse Byte
“System and Reset Characteristics” on page 372
BLB12
(1)
(1)
(1)
1
1
0
0
BLB11
1
0
0
1
Bit No
ATmega640/1280/1281/2560/2561
7
6
5
4
3
2
1
0
Protection Type
No restrictions for SPM or (E)LPM accessing the Boot Loader
section.
SPM is not allowed to write to the Boot Loader section.
SPM is not allowed to write to the Boot Loader section, and
(E)LPM executing from the Application section is not allowed to
read from the Boot Loader section. If Interrupt Vectors are
placed in the Application section, interrupts are disabled while
executing from the Boot Loader section.
(E)LPM executing from the Application section is not allowed to
read from the Boot Loader section. If Interrupt Vectors are
placed in the Application section, interrupts are disabled while
executing from the Boot Loader section.
Brown-out Detector trigger level
Brown-out Detector trigger level
Brown-out Detector trigger level
(1)(2)
(Continued)
Description
–
–
–
–
–
for BODLEVEL Fuse decoding.
Table 30-3
through
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
Default Value
Table 30-5 on
1
1
1
1
1
336
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