ATMEGA649V-8AUR Atmel, ATMEGA649V-8AUR Datasheet - Page 329
![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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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28.4
28.4.1
Table 28-2.
Notes:
28.4.2
28.4.3
2552K–AVR–04/11
Factory Calibration
User
Calibration
Clock Characteristics
1. Voltage range for ATmega329V/3290V/649V/6490V.
2. Voltage range for ATmega329/3290/649/6490.
Calibrated Internal RC Oscillator Accuracy
External Clock Drive Waveforms
External Clock Drive
Calibration Accuracy of Internal RC Oscillator
Figure 28-3. External Clock Drive Waveforms
Table 28-3.
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
7.3 - 8.1MHz
Frequency
8.0MHz
Parameter
Oscillator
Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period
from one clock
cycle to the next
V
External Clock Drive
IL1
V
IH1
1.8V - 5.5V
2.7V - 5.5V
1000
Min.
V
400
400
CC
0
V
3V
CC
=1.8-5.5V
(1)
(2)
Max.
2.0
2.0
4
2
ATmega329/3290/649/6490
Min.
V
125
50
50
0
CC
=2.7-5.5V
Temperature
-40°C - 85°C
25°C
Max.
1.6
1.6
8
2
Min.
62.5
V
25
25
CC
0
=4.5-5.5V
Calibration Accuracy
Max.
0.5
0.5
16
2
±10%
±1%
Units
MHz
ns
ns
ns
μs
μs
%
329
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