ATmega2561R212 Atmel Corporation, ATmega2561R212 Datasheet - Page 340

• Manufacturer Part Number: ATmega2561R212
• 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

2549N–AVR–05/11
Table 30-10. BS2 and BS1 Encoding
Table 30-11. Pin Values Used to Enter Programming Mode
Table 30-12. XA1 and XA0 Enoding
Table 30-13. Command Byte Bit Encoding
BS2
0
0
1
1
XA1
0
0
1
1
Command Byte
1000 0000
0100 0000
0010 0000
0001 0000
0001 0001
0000 1000
0000 0100
0000 0010
0000 0011
BS1
0
1
0
1
PAGEL
XA1
XA0
BS1
Pin
XA0
Flash / EEPROM
0
1
0
1
Extended High
High Byte
Reserved
Address
Low Byte
Byte
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte determined
by BS2 and BS1)
Load Data (High or Low data byte for Flash determined by BS1)
Load Command
No Action, Idle
Command Executed
Chip Erase
Write Fuse bits
Write Lock bits
Write Flash
Write EEPROM
Read Signature Bytes and Calibration byte
Read Fuse and Lock bits
Read Flash
Read EEPROM
ATmega640/1280/1281/2560/2561
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Flash Data
Loading /
High Byte
Reserved
Reserved
Low Byte
Reading
Symbol
Extended Byte
Programming
High Byte
Reserved
Low Byte
Fuse
Value
Fuse High Byte
Extended Fuse
Reading Fuse
Fuse Low Byte
0
0
0
0
and Lock Bits
Lockbits
Byte
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