ATmega1281R231 Atmel Corporation, ATmega1281R231 Datasheet - Page 19

• Manufacturer Part Number: ATmega1281R231
• Manufacturer: Atmel Corporation

Specifications of ATmega1281R231

• Flash (kbytes): 128 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: 2.4 GHz
• Max Data Rate (mb/s): 2
• Antenna Diversity: Yes
• External Pa Control: Yes
• Power Output (dbm): 3
• Receiver Sensitivity (dbm): -101
• Receive Current Consumption (ma): 13.2
• Transmit Current Consumption (ma): 14.4
• Link Budget (dbm): 104

2549NS–AVR–05/11
ELPM
SPM
IN
OUT
PUSH
POP
MCU CONTROL INSTRUCTIONS
NOP
SLEEP
WDR
BREAK
Mnemonics
Rd, Z+
Rd, P
P, Rr
Rr
Rd
Operands
Note:
Extended Load Program Memory
Store Program Memory
In Port
Out Port
Push Register on Stack
Pop Register from Stack
No Operation
Sleep
Watchdog Reset
Break
EICALL and EIJMP do not exist in ATmega640/1280/1281.
ELPM does not exist in ATmega640.
Description
ATmega640/1280/1281/2560/2561
Rd ← (RAMPZ:Z), RAMPZ:Z ←RAMPZ:Z+1
(Z) ← R1:R0
Rd ← P
P ← Rr
STACK ← Rr
Rd ← STACK
(see specific descr. for Sleep function)
(see specific descr. for WDR/timer)
For On-chip Debug Only
Operation
None
None
None
None
None
None
None
None
None
None
Flags
#Clocks
N/A
3
1
1
2
2
1
1
1
-
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