ATMEGA6450A-AU Atmel, ATMEGA6450A-AU Datasheet - Page 55
![IC MCU AVR 64K FLASH 100TQFP](/photos/6/70/67048/313-100-tqfp_sml.jpg)
ATMEGA6450A-AU
Manufacturer Part Number
ATMEGA6450A-AU
Description
IC MCU AVR 64K FLASH 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA6450A-AU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
69
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TFQFP
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
69
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Manufacturer
Quantity
Price
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11. Interrupts
11.1
8285B–AVR–03/11
Interrupt Vectors
ATmega165A/165PA/325A/325PA/3250A/3250PA/6
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
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/6450A/6450P. For a general
explanation of the AVR interrupt handling, refer to
Table 11-1.
Notes:
Vector
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
1. When the BOOTRST Fuse is programmed, the device will jump to the Boot Loader address at
reset, see
Address
Program
0x0000
0x000C
0x001C
0x002C
0x0002
0x0004
0x0006
0x0008
0x000A
0x000E
0x0010
0x0012
0x0016
0x001A
0x001E
0x0020
0x0022
0x0026
0x002A
0x002E
0x0030
0x0014
0x0018
0x0024
0x0028
Reset and Interrupt Vectors
(1)
(2)
”Boot Loader Support – Read-While-Write Self-Programming” on page
Source
RESET
INT0
PCINT0
PCINT1
TIMER2 COMP
TIMER2 OVF
TIMER1 CAPT
TIMER1 COMPA
TIMER1 COMPB
TIMER1 OVF
TIMER0 COMP
TIMER0 OVF
SPI, STC
USART, RX
USART, UDREn
USART, TX
USI START
USI OVERFLOW
ANALOG COMP
ADC
EE READY
SPM READY
NOT_USED
PCINT2
PCINT3
Interrupt Definition
External Pin, Power-on Reset, Brown-out Reset,
Watchdog Reset, and JTAG AVR Reset
External Interrupt Request 0
Pin Change Interrupt Request 0
Pin Change Interrupt Request 1
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
USI Start Condition
USI Overflow
Analog Comparator
ADC Conversion Complete
EEPROM Ready
Store Program Memory Ready
RESERVED
Pin Change Interrupt Request 2
Pin Change Interrupt Request 3
”Reset and Interrupt Handling” on page
266.
16.
55
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