ATMEGA649V-8AUR Atmel, ATMEGA649V-8AUR Datasheet - Page 51
![IC AVR MCU FLASH 64K 1.8V 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA649V-8AUR
Manufacturer Part Number
ATMEGA649V-8AUR
Description
IC AVR MCU FLASH 64K 1.8V 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA329-16AU.pdf
(392 pages)
Specifications of ATMEGA649V-8AUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, 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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Part Number
Manufacturer
Quantity
Price
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2552K–AVR–04/11
When the BOOTRST Fuse is unprogrammed, the Boot section size set to 4K bytes and the
IVSEL bit in the MCUCR Register is set before any interrupts are enabled, the most typical and
general program setup for the Reset and Interrupt Vector Addresses is:
When the BOOTRST Fuse is programmed and the Boot section size set to 4K bytes, the most
typical and general program setup for the Reset and Interrupt Vector Addresses is:
0x002
2
0x002
4
0x002
6
0x002
8
0x002
A
0x002
C
0x002
E
0x003
0
;
0x003
2
0x003
3
0x003
4
0x003
5
0x003
6
0x003
7
Address Labels Code
0x0000
0x0001
0x0002
0x0003
0x0004
0x0005
;
.org 0x3802/0x7802
0x3804/0x7804
0x3806/0x7806
...
0x1C2C
Address Labels Code
.org 0x0002
0x0002
RESET
:
...
RESET: ldi
out
ldi
out
sei
<instr> xxx
jmp
jmp
...
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
jmp
ldi
out
ldi
out
sei
<ins
tr>
...
r16,high(RAMEND); Main program start
SPH,r16
r16,low(RAMEND)
SPL,r16
EXT_INT0
PCINT0
...
SPM_RDY
EXT_INT0
USI_OVF
ANA_COMP
ADC
EE_RDY
SPM_RDY
LCD_SOF
PCINT2
PCINT3
r16,
high(RAMEND)
SPH,r16
r16, low(RAMEND)
SPL,r16
xxx
...
Comments
ATmega329/3290/649/6490
Comments
; Set Stack Pointer to top of RAM
; Enable interrupts
; IRQ0 Handler
; PCINT0 Handler
;
; Store Program Memory Ready Handler
; IRQ0 Handler
; USI Overflow Handler
; Analog Comparator Handler
; ADC Conversion Complete
Handler
; EEPROM Ready Handler
; SPM Ready Handler
; LCD Start of Frame Handler
; PCINT2 Handler
; PCINT3 Handler
; Main program start
; Set Stack Pointer to top of
RAM
; Enable interrupts
51
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