ATMEGA324P-20PU Atmel, ATMEGA324P-20PU Datasheet - Page 61

• Manufacturer Part Number: ATMEGA324P-20PU
• Description: IC MCU AVR 32K FLASH 40-DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA324P-20PU

• 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: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K 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: 40-DIP (0.600", 15.24mm)
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: 2-Wire/JTAG/SPI/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Data Rom Size: 1 KB
• Height: 4.83 mm
• Length: 52.58 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Width: 13.97 mm
• Controller Family/series: AVR MEGA
• No. Of I/o's: 32
• Eeprom Memory Size: 1KB
• Ram Memory Size: 2KB
• Cpu Speed: 20MHz
• Rohs Compliant: Yes
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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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