ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 353

• 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
250
200
150
100
90
80
70
60
50
40
30
20
10
50
0
Figure 27-29. AREF External Reference Current vs. Operating Voltage
Figure 27-30. Analog Comparator Current vs. Operating Voltage
0
2.5
2.5
3
3
AREF CURRENT vs . V
ANALOG COMP ARATOR CURRENT vs . V
3.5
3.5
C C
WHEN US ED AS ADC REFERENCE
V
V
CC
CC
4
4
(V)
(V)
ATmega164P/324P/644P
4.5
4.5
C C
5
5
5.5
5.5
125 ˚C
125 ˚C
-40 ˚C
-40 ˚C
25 ˚C
85 ˚C
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