ATMEGA6490A-AU Atmel, ATMEGA6490A-AU Datasheet - Page 352

• 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

28.3
8284A–AVR–10/10
Speed Grades
Maximum frequency is depending on V
V
Figure 28-1. Maximum Frequency vs. V
Figure 28-2. Maximum Frequency vs. V
CC
16 MHz
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
20 MHz
4 MHz
8 MHz
10 MHz
4 MHz
curve is linear between 1.8V < V
1.8V
ATmega329A/ATmega329PA/ATmega3290A/ATmega3290PA/ATmega6490A/
ATmega6490P
1.8V
2.7V
2.7V
CC
CC.
< 2.7 and between 2.7V < V
CC
CC
As shown in
, ATmega169A/169PA/ATmega649A/ATmega649P
(0 - 20 MHz)
Safe Operating Area
Safe Operating Area
Figure
28-1, the Maximum Frequency vs.
4.5V
4.5V
CC
< 4.5.
5.5V
5.5V
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