ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 496

• Manufacturer Part Number: ATMEGA649A-AU
• Description: IC MCU AVR 64K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649A-AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 54
• 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: 64-TQFP
• Processor Series: ATmega
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, USART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• 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

29.5.7
8284A–AVR–10/10
Pin Pull-up
Figure 29-259.ATmega3290A: Standby Supply Current vs. V
Timer Disabled)
Figure 29-260.ATmega3290A: I/O Pin Pull-up Resistor Current vs. Input Voltage (V
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
0.13
0.11
0.09
0.07
0.05
0.03
0.01
160
140
120
100
80
60
40
20
0
1.5
0
0.5
2
1
2.5
1.5
2
3
2.5
V
V
CC
3.5
OP
(V)
[V]
3
4
3.5
CC
4
4.5
(Xtall and Resonator, Watchdog
4.5
5
5
5.5
5.5
450kHz_res
6MHz_xtal
6MHz_res
4MHz_xtal
4MHz_res
2MHz_res
2MHz_xtal
1MHz_res
-40 °C
CC
25 °C
85 °C
= 5V)
496