ATmega1281R231 Atmel Corporation, ATmega1281R231 Datasheet - Page 105

• 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

14. Interrupts
14.1
2549N–AVR–05/11
Interrupt Vectors in ATmega640/1280/1281/2560/2561
T h i s s e c t i o n d e s c r i b e s t h e s p e c i f i c s o f t h e i n t e r r u p t h a n d l i n g a s p e r f o r m e d i n
ATmega640/1280/1281/2560/2561. For a general explanation of the AVR interrupt handling,
refer to
Table 14-1.
Vector
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
1
2
3
4
5
6
7
8
9
“Reset and Interrupt Handling” on page
Address
Program
$0000
$0016
$000A
$000C
$000E
$001A
$001C
$002A
$002C
$0002
$0004
$0006
$0008
$0010
$0012
$0014
$0018
$001E
$0020
$0022
$0024
$0026
$0028
$002E
$0030
$0032
$0034
$0036
$0038
Reset and Interrupt Vectors
(1)
(3)
(2)
TIMER2 COMPB
TIMER1 COMPB
TIMER1 COMPC
TIMER0 COMPB
TIMER2 COMPA
TIMER1 COMPA
TIMER0 COMPA
ANALOG COMP
USART0 UDRE
TIMER1 CAPT
TIMER2 OVF
TIMER1 OVF
TIMER0 OVF
USART0 RX
USART0 TX
SPI, STC
PCINT0
PCINT1
PCINT2
Source
RESET
WDT
INT0
INT1
INT2
INT3
INT4
INT5
INT6
INT7
ATmega640/1280/1281/2560/2561
External Pin, Power-on Reset, Brown-out Reset,
Watchdog Reset, and JTAG AVR Reset
18.
Timer/Counter2 Compare Match A
Timer/Counter2 Compare Match B
Timer/Counter1 Compare Match A
Timer/Counter1 Compare Match B
Timer/Counter1 Compare Match C
Timer/Counter0 Compare Match A
Timer/Counter0 Compare match B
Pin Change Interrupt Request 0
Pin Change Interrupt Request 1
Pin Change Interrupt Request 2
Timer/Counter1 Capture Event
USART0 Data Register Empty
SPI Serial Transfer Complete
Watchdog Time-out Interrupt
External Interrupt Request 0
External Interrupt Request 1
External Interrupt Request 2
External Interrupt Request 3
External Interrupt Request 4
External Interrupt Request 5
External Interrupt Request 6
External Interrupt Request 7
Timer/Counter2 Overflow
Timer/Counter1 Overflow
Timer/Counter0 Overflow
USART0 Rx Complete
USART0 Tx Complete
Interrupt Definition
Analog Comparator
105