ATMEGA644PA-MUR Atmel, ATMEGA644PA-MUR Datasheet - Page 437
ATMEGA644PA-MUR
Manufacturer Part Number
ATMEGA644PA-MUR
Description
IC MCU AVR 64K FLASH 44VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644PA-MUR
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-VQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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28.4.10
8272A–AVR–01/10
BOD Threshold
Figure 28-178.ATmega324PA: BOD Threshold vs. Temperature (V
Figure 28-179.ATmega324PA: BOD Threshold vs. Temperature (V
164A/164PA/324A/324PA/644A/644PA/1284/1284P
4.38
4.36
4.34
4.32
4.28
2.78
2.76
2.74
2.72
2.68
2.66
4.4
4.3
2.8
2.7
-40
-40
-20
-20
0
0
Temperature (°C)
Temperature (°C)
20
20
40
40
60
60
Falling Vcc
Rising Vcc
Falling Vcc
Rising Vcc
BOT
BOT
= 4.3V)
= 2.7V)
80
80
100
100
437
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