ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 349

• Manufacturer Part Number: ATMEGA644P-A15MZ
• Description: MCU AVR 64KB FLASH 16MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644P-A15MZ

• Package / Case: 44-VQFN Exposed Pad
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 32
• Eeprom Size: 2K x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Program Memory Size: 64KB (64K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

27.6
7674F–AVR–09/09
BOD Thresholds and Analog Comparator Offset
Figure 27-21. BOD Thresholds vs. Temperature (BOD level is 4.3V)
Figure 27-22. BOD Thresholds vs. Temperature (BOD level is 2.7V)
4.500
4.400
4.300
4.200
4.100
4.000
3.000
2.900
2.800
2.700
2.600
2.500
-50
-50
-30
-30
-10
-10
BOD THRESHOLDS vs. TEMPERATURE
BOD THRESHOLDS vs. TEMPERATURE
10
10
30
30
Temperature (C)
BOD level = 4.3v
Temperature (C)
BOD level = 2.7v
50
50
ATmega164P/324P/644P
70
70
90
90
110
110
130
130
150
150
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