ATMEGA64A-AU Atmel, ATMEGA64A-AU Datasheet - Page 60

• Manufacturer Part Number: ATMEGA64A-AU
• Description: MCU AVR 64K ISP FLASH 64-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64A-AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Package: 64TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 53
• Interface Type: SPI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 4
• Processor Series: ATMEGA64x
• Core: AVR8
• Data Ram Size: 4 KB
• Maximum Clock Frequency: 16 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• Cpu Family: ATmega
• Device Core Size: 8b
• Frequency (max): 16MHz
• Total Internal Ram Size: 4KB
• # I/os (max): 53
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: TQFP
• For Use With: 770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

11. Interrupts
11.1
11.2
8160C–AVR–07/09
Overview
Interrupt Vectors in ATmega64A
This section describes the specifics of the interrupt handling as performed in ATmega64A. For a
general explanation of the AVR interrupt handling, refer to
page
Table 11-1.
Vector
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
2
3
4
5
6
7
8
9
14.
Program
Address
0x0000
0x0030
0x0032
0x000A
0x000C
0x000E
0x001A
0x001C
0x001E
0x002A
0x002C
0x002E
Reset and Interrupt Vectors
0x0002
0x0004
0x0006
0x0008
0x0010
0x0012
0x0014
0x0016
0x0018
0x0020
0x0022
0x0024
0x0026
0x0028
(2)
(1)
(3)
(3)
Source
RESET
INT0
INT1
INT2
INT3
INT4
INT5
INT6
INT7
TIMER2 COMP
TIMER2 OVF
TIMER1 CAPT
TIMER1 COMPA
TIMER1 COMPB
TIMER1 OVF
TIMER0 COMP
TIMER0 OVF
SPI, STC
USART0, RX
USART0, UDRE
USART0, TX
ADC
EE READY
ANALOG COMP
TIMER1 COMPC
TIMER3 CAPT
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
External Interrupt Request 3
External Interrupt Request 4
External Interrupt Request 5
External Interrupt Request 6
External Interrupt Request 7
Timer/Counter2 Compare Match
Timer/Counter2 Overflow
Timer/Counter1 Capture Event
Timer/Counter1 Compare Match A
Timer/Counter1 Compare Match B
Timer/Counter1 Overflow
Timer/Counter0 Compare Match
Timer/Counter0 Overflow
SPI Serial Transfer Complete
USART0, Rx Complete
USART0 Data Register Empty
USART0, Tx Complete
ADC Conversion Complete
EEPROM Ready
Analog Comparator
Timer/Countre1 Compare Match C
Timer/Counter3 Capture Event
“Reset and Interrupt Handling” on
ATmega64A
60