ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 60

• Manufacturer Part Number: ATMEGA644P-A15MZ
• Description: MCU AVR 64KB FLASH 16MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644P-A15MZ

• Package / Case: 44-VQFN Exposed Pad
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 32
• Eeprom Size: 2K x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Program Memory Size: 64KB (64K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10. Interrupts
10.1
10.2
60
Overview
Interrupt Vectors in ATmega164P/324P/644P
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 10-1.
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
USART0 Data Register Empty
USART0 Tx Complete
Analog Comparator
ADC Conversion Complete
EEPROM Ready
2-wire Serial Interface
7674F–AVR–09/09