ATMEGA644PA-AUR Atmel, ATMEGA644PA-AUR Datasheet - Page 473
ATMEGA644PA-AUR
Manufacturer Part Number
ATMEGA644PA-AUR
Description
IC MCU AVR 64K FLASH 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644PA-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
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
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA644PA-AUR
Manufacturer:
ATMEL
Quantity:
1 400
Part Number:
ATMEGA644PA-AUR
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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28.6
28.6.1
8272A–AVR–01/10
ATmega644PA Typical Characteristics
Active Supply Current
Figure 28-246.ATmega644PA: Active Supply Current vs. Low Frequency (0.1 - 1.0 MHz).
Figure 28-247.ATmega644PA: Active Supply Current vs. Frequency (1 - 20 MHz).
164A/164PA/324A/324PA/644A/644PA/1284/1284P
1.2
0.8
0.6
0.4
0.2
1
0
14
12
10
8
6
4
2
0
0
0
0.1
2
0.2
4
1.8 V
0.3
6
0.4
Frequency (MHz)
8
Frequency (MHz)
0.5
10
2.7 V
0.6
12
3.3 V
0.7
14
0.8
16
4.0 V
0.9
18
20
1
4.5 V
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
5.5 V
5.0 V
473
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