ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 355

• 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

7674F–AVR–09/09
900
800
700
600
500
400
300
200
100
3.5
2.5
1.5
0.5
Figure 27-33. Reset Supply Current vs. Operating Voltage (1 - 20 MHz)
4
3
2
1
0
Figure 27-34. Minimum Reset Pulse Width vs. Operating Voltage
0
2.5
0
2
(Excluding Current Through the Reset Pull-up), Temperature = 25°C
3
EXCLUDING CURRENT THROUGH THE RESET PULLUP - Te mpe ra ture = 25˚C
4
MINIMUM RES ET P ULS E WIDTH vs . V
6
3.5
RES ET S UP P LY CURRENT vs . V
8
Fre que nc y (MHz )
V
CC
10
4
(V)
ATmega164P/324P/644P
12
4.5
14
C C
C C
16
5
18
5.5
20
125 ˚C
25 ˚C
5.5 V
5.0 V
4.5 V
3.3 V
3.0 V
2.7 V
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