ATMEGA644PA-AUR Atmel, ATMEGA644PA-AUR Datasheet - Page 525
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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28.8
28.8.1
8272A–AVR–01/10
ATmega1284P Typical Characteristics
Active Supply Current
Figure 28-345.ATmega1284P: Active Supply Current vs. Low Frequency (0.1 - 1.0 MHz)
Figure 28-346.ATmega1284P: Active Supply Current vs. Frequency (1 - 20 MHz)
164A/164PA/324A/324PA/644A/644PA/1284/1284P
1.6
1.4
1.2
0.8
0.6
0.4
0.2
20
18
16
14
12
10
8
6
4
2
0
1
0
0
0
0.1
2
0.2
4
1.8 V
0.3
6
0.4
8
Frequency (MHz)
Frequency (MHz)
10
0.5
2.7 V
12
0.6
3.3 V
0.7
14
0.8
16
4.0 V
0.9
18
20
1
5.5 V
5.0 V
4.5 V
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
525
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