ATMEGA644PA-AU Atmel, ATMEGA644PA-AU Datasheet - Page 535
ATMEGA644PA-AU
Manufacturer Part Number
ATMEGA644PA-AU
Description
IC MCU 8BIT 64KB FLASH 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644PA-AU
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
Processor Series
ATMEGA64x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, TWI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
32
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA644PA-AU
Manufacturer:
PHILIPS
Quantity:
450
Part Number:
ATMEGA644PA-AU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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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8272A–AVR–01/10
Figure 28-363. ATmega1284P: Reset Pull-up Resistor Current vs. Reset Pin Voltage (V
Figure 28-364. ATmega1284P: Reset Pull-up Resistor Current vs. Reset Pin Voltage (V
164A/164PA/324A/324PA/644A/644PA/1284/1284P
120
100
60
50
40
30
20
10
80
60
40
20
0
0
0
0
0.5
0.5
1
1.5
1
2
V
V
RESET
RESET
1.5
2.5
(V)
(V)
3
2
3.5
4
2.5
4.5
5
3
-40 °C
-40 °C
25 °C
85 °C
25 °C
85 °C
CC
CC
= 2.7V)
= 5V)
535
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