ATMEGA644V-10MUR Atmel, ATMEGA644V-10MUR Datasheet - Page 349

• Manufacturer Part Number: ATMEGA644V-10MUR
• Description: MCU AVR 64K FLASH 10MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644V-10MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2593N–AVR–07/10
Figure 27-44. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature
Figure 27-45. Calibrated 8 MHz RC Oscillator Frequency vs. Operating Voltage
8.5
8.4
8.3
8.2
8.1
7.9
7.8
7.7
7.6
7.5
8.3
8.2
8.1
7.9
7.8
7.7
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. OPERATING VOLTAGE
8
8
-60
1.5
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
-40
2
-20
2.5
0
3
Temperature (°C)
V
CC
3.5
20
(V)
40
4
4.5
60
80
5
ATmega644
100
5.5
5.5V
5.0V
4.5V
4.0V
3.3V
2.7V
-40°C
85°C
25°C
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