ATMEGA6490A-AU Atmel, ATMEGA6490A-AU Datasheet - Page 355
![IC MCU AVR 64K FLASH 100TQFP](/photos/6/70/67048/313-100-tqfp_sml.jpg)
ATMEGA6490A-AU
Manufacturer Part Number
ATMEGA6490A-AU
Description
IC MCU AVR 64K FLASH 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA6490A-AU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA6490A-AU
Manufacturer:
Atmel
Quantity:
1 250
Company:
Part Number:
ATMEGA6490A-AUR
Manufacturer:
Maxim
Quantity:
43
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28.6.2
28.7
8284A–AVR–10/10
Brown-out Detection
ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490PA
revision A and B
Table 28-16. Reset, Brown-out, and Internal Voltage Reference Characteristics,
Note:
Table 28-17. BODLEVEL Fuse Coding
Note:
Symbol
V
SR
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
POT
ON
BODLEVEL[2:0] Fuses
1. The Power-on Reset will not work unless the supply voltage has been below V
1. V
this is the case, the device is tested down to V
antees that a Brown-Out Reset will occur before V
operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 110, 101 and 100.
BOT
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Power-on Slope Rate
T
A
111
110
101
100
011
010
001
000
may be below nominal minimum operating voltage for some devices. For devices where
= -40°C to 85°C
Min. V
(1)
1.7
2.5
4.1
BOT
(1)
CC
Typ V
= V
CC
1.8
2.7
4.3
BOT
BOD Disabled
drops to a voltage where correct
BOT
Reserved
during the production test. This guar-
Min.
0.01
0.7
0.5
Max V
Typ
1.0
0.9
2.0
2.9
4.5
BOT
Max
1.4
1.3
4.5
POT
(falling)
Units
Units
V/ms
V
V
355
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