ATmega644PR231 Atmel Corporation, ATmega644PR231 Datasheet - Page 61

• Manufacturer Part Number: ATmega644PR231
• Manufacturer: Atmel Corporation

Specifications of ATmega644PR231

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Max I/o Pins: 32
• 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): 4
• Eeprom (bytes): 2048
• Operating Voltage (vcc): 1.8 to 3.6
• Timers: 3
• 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

9. Interrupts
9.1
9.2
8011O–AVR–07/10
Overview
Interrupt Vectors in ATmega164P/324P/644P
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
ATmega164P/324P/644P. For a general explanation of the AVR interrupt handling, refer to
”Reset and Interrupt Handling” on page
Table 9-1.
Vector
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
1
2
3
4
5
6
7
8
9
$0000
$0002
$0004
$0006
$0008
$000A
$000C
$000E
$0010
$0012
$0014
$0016
$0018
$001A
$001C
$001E
$0020
$0022
$0024
$0026
$0028
$002A
$002C
$002E
$0030
$0032
$0034
Address
Program
Reset and Interrupt Vectors
(1)
(2)
Source
RESET
INT0
INT1
INT2
PCINT0
PCINT1
PCINT2
PCINT3
WDT
TIMER2_COMPA
TIMER2_COMPB
TIMER2_OVF
TIMER1_CAPT
TIMER1_COMPA
TIMER1_COMPB
TIMER1_OVF
TIMER0_COMPA
TIMER0_COMPB
TIMER0_OVF
SPI_STC
USART0_RX
USART0_UDRE
USART0_TX
ANALOG_COMP
ADC
EE_READY
TWI
15.
Interrupt Definition
External Pin, Power-on Reset, Brown-out Reset,
Watchdog Reset, and JTAG AVR Reset
External Interrupt Request 0
External Interrupt Request 1
External Interrupt Request 2
Pin Change Interrupt Request 0
Pin Change Interrupt Request 1
Pin Change Interrupt Request 2
Pin Change Interrupt Request 3
Watchdog Time-out Interrupt
Timer/Counter2 Compare Match A
Timer/Counter2 Compare Match B
Timer/Counter2 Overflow
Timer/Counter1 Capture Event
Timer/Counter1 Compare Match A
Timer/Counter1 Compare Match B
Timer/Counter1 Overflow
Timer/Counter0 Compare Match A
Timer/Counter0 Compare match B
Timer/Counter0 Overflow
SPI Serial Transfer Complete
USART0 Rx Complete
Analog Comparator
ADC Conversion Complete
EEPROM Ready
2-wire Serial Interface
USART0 Data Register Empty
USART0 Tx Complete
ATmega164P/324P/644P
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