ATMEGA6490A-AU Atmel, ATMEGA6490A-AU Datasheet - Page 709
![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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8284A–AVR–10/10
26 Boot Loader Support – Read-While-Write Self-Programming ......... 295
27 Memory Programming ......................................................................... 311
28 Electrical Characteristics .................................................................... 345
29 Typical Characteristics ........................................................................ 360
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
25.7Boundary-scan Description Language Files ........................................................293
25.8Register Description ............................................................................................294
26.1Features ..............................................................................................................295
26.2Overview .............................................................................................................295
26.3Application and Boot Loader Flash Sections .......................................................295
26.4Read-While-Write and No Read-While-Write Flash Sections ..............................296
26.5Boot Loader Lock Bits .........................................................................................298
26.6Entering the Boot Loader Program ......................................................................300
26.7Addressing the Flash During Self-Programming .................................................300
26.8Self-Programming the Flash ................................................................................301
26.9Register Description ............................................................................................308
27.1Program And Data Memory Lock Bits .................................................................311
27.2Fuse Bits .............................................................................................................312
27.3Signature Bytes ...................................................................................................314
27.4Calibration Byte ...................................................................................................314
27.5Page Size ............................................................................................................314
27.6Parallel Programming Parameters, Pin Mapping, and Commands .....................315
27.7Parallel Programming ..........................................................................................317
27.8Serial Downloading .............................................................................................326
27.9Programming via the JTAG Interface ..................................................................332
28.1Absolute Maximum Ratings* ...............................................................................345
28.2DC Characteristics ..............................................................................................345
28.3Speed Grades .....................................................................................................352
28.4Clock Characteristics ...........................................................................................353
28.5System and Reset Characteristics ......................................................................354
28.6Power-on Reset ...................................................................................................354
28.7Brown-out Detection ............................................................................................355
28.8SPI Timing Characteristics ..................................................................................356
28.9ADC Characteristics – Preliminary Data ..............................................................358
28.10LCD Controller Characteristics ..........................................................................359
Boundary-scan Order 273
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