ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 354

• 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

27.9
354
Current Consumption in Reset and Reset Pulse Width
ATmega164P/324P/644P
20
18
16
14
12
10
0.18
0.16
0.14
0.12
0.08
0.06
0.04
0.02
8
6
4
2
0
0.1
Figure 27-31. Programming Current vs. Operating Voltage
Figure 27-32. Reset Supply Current vs. Operating Voltage (0.1 - 1.0 MHz)
2.5
0
0
0.1
(Excluding Current Through the Reset Pull-up), Temperature = 25°C
3
EXCLUDING CURRENT THROUGH THE RESET PULLUP - Te mpe ra ture = 25˚C
0.2
0.3
3.5
EEP ROM WRITE CURRENT vs . Vcc
RES ET S UP P LY CURRENT vs . V
0.4
Fre que nc y (MHz )
V
CC
4
Ext Clk
0.5
(V)
0.6
4.5
0.7
C C
0.8
5
0.9
7674F–AVR–09/09
5.5
1
125 ˚C
-40 ˚C
25 ˚C
85 ˚C
5.5 V
5.0 V
4.5 V
3.3 V
3.0 V
2.7 V