ATMEGA2561R212-MU Atmel, ATMEGA2561R212-MU Datasheet - Page 336
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ATMEGA2561R212-MU
Manufacturer Part Number
ATMEGA2561R212-MU
Description
BUNDLE ATMEGA2561/RF212 QFN
Manufacturer
Atmel
Datasheet
1.ATMEGA640V-8CU.pdf
(444 pages)
Specifications of ATMEGA2561R212-MU
Frequency
800MHz, 900MHz
Modulation Or Protocol
802.15.4 Zigbee, 6LoWPAN, ISM
Data Interface
PCB, Surface Mount
Memory Size
256kB Flash, 4kB EEPROM, 8kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
64-QFN, 32-QFN
Processor Series
ATMEGA256x
Core
AVR8
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
256 KB
Data Ram Size
8 KB
Development Tools By Supplier
ATAVRRZ541, ATAVRRAVEN, ATAVRRZUSBSTICK, ATAVRISP2, ATAVRRZ201
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Supply
-
Power - Output
-
Operating Temperature
-
Applications
-
Sensitivity
-
Data Rate - Maximum
-
Current - Transmitting
-
Current - Receiving
-
Lead Free Status / Rohs Status
Details
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29.2
2549M–AVR–09/10
Fuse Bits
Table 29-2.
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 29-3.
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.
See
Memory Lock Bits
describe briefly the functionality of all the fuses and how they are mapped into the
“System and Reset Characteristics” on page 372
–
–
–
–
–
Lock Bit Protection Modes
Extended Fuse Byte
BLB12
(Note:)
(Note:)
(Note:)
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 29-3
through
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
Default Value
Table 29-5 on
1
1
1
1
1
336
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