ATMEGA644PA-AUR Atmel, ATMEGA644PA-AUR Datasheet - Page 533
![IC MCU AVR 64K FLASH 44TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
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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28.8.7
8272A–AVR–01/10
Pin Pull-up
Figure 28-359.ATmega1284P: I/O Pin Pull-up Resistor Current vs. Input Voltage (V
Figure 28-360.ATmega1284P: I/O Pin Pull-up Resistor Current vs. Input Voltage (V
164A/164PA/324A/324PA/644A/644PA/1284/1284P
80
70
60
50
40
30
20
10
35
30
25
20
15
10
0
5
0
0
0
0.2
0.5
0.4
0.6
1
0.8
V
RESET
V
OP
1.5
(V)
(V)
1
1.2
2
1.4
2.5
1.6
1.8
3
-40 °C
25 °C
85 °C
-40 °C
25 °C
85 °C
CC
CC
= 1.8V)
= 2.7V)
533
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