ATMEGA644PA-MUR Atmel, ATMEGA644PA-MUR Datasheet - Page 438
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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8272A–AVR–01/10
Figure 28-180.ATmega324PA: BOD Threshold vs. Temperature (V
Figure 28-181.ATmega324PA: Calibrated Bandgap Voltage vs. V
164A/164PA/324A/324PA/644A/644PA/1284/1284P
1.098
1.096
1.094
1.092
1.088
1.086
1.084
1.082
1.078
1.076
1.09
1.08
1.86
1.84
1.82
1.78
1.76
1.5
1.8
-40
2
-20
2.5
0
3
Temperature (°C)
Vcc (V)
20
3.5
40
4
4.5
60
CC
Falling Vcc
Rising Vcc
BOT
= 1.8V)
5
80
5.5
-40 °C
85 °C
25 °C
100
438
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