ATMEGA6490A-AU Atmel, ATMEGA6490A-AU Datasheet - Page 573

• 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

8284A–AVR–10/10
Figure 29-407.ATmega649A: BOD Thresholds vs. Temperature (BOD Level is 1.8V)
Figure 29-408.ATmega649A: Bandgap Voltage vs. V
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
1.845
1.835
1.825
1.815
1.805
1.103
1.101
1.099
1.097
1.095
1.093
1.091
1.089
1.087
1.085
1.083
1.84
1.83
1.82
1.81
1.8
-45
1.5
-35
2
-25
-15
2.5
Rising Vcc
Falling Vcc
-5
3
5
Temperature (°C)
15
Vcc (V)
3.5
25
CC
35
4
45
4.5
55
65
5
75
5.5
85
-45 °C
25 °C
85 °C
573