ATMEGA644A-AUR Atmel, ATMEGA644A-AUR Datasheet - Page 536
ATMEGA644A-AUR
Manufacturer Part Number
ATMEGA644A-AUR
Description
IC MCU AVR 64K FLASH 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644A-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
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28.8.8
8272A–AVR–01/10
Pin Driver Strength
Figure 28-365.ATmega1284P: I/O Pin Output Voltage vs. Sink Current (V
Figure 28-366.ATmega1284P: I/O Pin Output Voltage vs. Sink Current (V
164A/164PA/324A/324PA/644A/644PA/1284/1284P
1.2
0.8
0.6
0.4
0.2
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1
0
0
0
0
2
2
4
4
6
6
8
8
I
I
OL
OL
10
10
(mA)
(mA)
12
12
14
14
16
16
CC
CC
18
18
= 2.7V)
= 3V)
20
20
-40 °C
-40 °C
85 °C
25 °C
85 °C
25 °C
536
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