ATMEGA1284-PU Atmel, ATMEGA1284-PU Datasheet - Page 62
![IC MCU AVR 128K FLASH 40PDIP](/photos/6/70/67049/453-40-dip_sml.jpg)
ATMEGA1284-PU
Manufacturer Part Number
ATMEGA1284-PU
Description
IC MCU AVR 128K FLASH 40PDIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1284-PU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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11. Interrupts
11.1
11.2
8272A–AVR–01/10
Overview
Interrupt Vectors in ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P
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
ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P. For a general explanation of the
AVR interrupt handling, refer to
Table 11-1.
164A/164PA/324A/324PA/644A/644PA/1284/1284P
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
”Reset and Interrupt Handling” on page
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 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
Timer/Counter1 Compare Match A
Timer/Counter1 Compare Match B
USART0 Data Register Empty
USART0 Tx Complete
16.
62
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