ATMEGA649V-8AUR Atmel, ATMEGA649V-8AUR Datasheet - Page 330
![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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28.5
Table 28-4.
Notes:
Table 28-5.
Notes:
330
Symbol
V
V
V
V
t
t
V
t
I
RST
HYST
BOD
POT
PSR
RST
BG
BG
BG
System and Reset Characteristics
1. The Power-on Reset will not work unless the supply voltage has been below V
1. V
ATmega329/3290/649/6490
tested down to V
a voltage where correct operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 10 for ATmega329/3290/649/6490V and BODLEVEL = 01 for ATmega329/3290/649/6490L.
BODLEVEL 1:0 Fuses
BOT
Reset, Brown-out, and Internal Voltage Reference Characteristics
BODLEVEL Fuse Coding
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage
(falling)
Power-on Slope Rate
Minimum pulse width on RESET Pin
Brown-out Detector Hysteresis
Min Pulse Width on Brown-out Reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current consumption
RESET Pin Threshold Voltage
may be below nominal minimum operating voltage for some devices. For devices where this is the case, the device is
(1)
11
10
01
00
CC
= V
BOT
during the production test. This guarantees that a Brown-Out Reset will occur before V
(1)
Min V
1.7
2.5
4.1
BOT
T
T
V
V
V
A
A
Condition
T
T
T
V
V
CC
CC
CC
= -40°C to
= -40°C to
A
A
A
CC
CC
85°C
85°C
= 25°C
= 25°C
= 25°C
= 2.7V,
= 2.7V,
= 2.7V,
= 3V
= 3V
Typ V
1.8
2.7
4.3
0.2 V
BOT
BOD Disabled
0.05
0.01
Min
0.7
1.0
POT
CC
(falling)
Typ
800
1.0
0.9
1.1
50
40
15
2
Max V
2.0
2.9
4.5
BOT
0.85 V
Max
1.4
1.3
4.5
1.2
70
CC
2552K–AVR–04/11
CC
Units
Units
drops to
V/ms
V
mV
µA
ns
µs
µs
V
V
V
V
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