ATMEGA644PV-20AU Atmel, ATMEGA644PV-20AU Datasheet - Page 380
ATMEGA644PV-20AU
Manufacturer Part Number
ATMEGA644PV-20AU
Description
IC MCU AVR 64K FLASH 44-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644PV-20AU
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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26.2.11
8011O–AVR–07/10
Internal Oscillator Speed
Figure 26-80. BOD Threshold vs. Temperature (V
Figure 26-81. Watchdog Oscillator Frequency vs. Temperature
1.85
1.83
1.81
1.79
1.77
1.75
125
120
115
110
-60
-40
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
-40
-20
-20
0
0
Temperature (°C)
Temperature (°C)
20
20
ATmega164P/324P/644P
CC
40
= 1.8V)
40
Falling V
Rising V
60
60
CC
CC
80
80
2.1V
2.7V
3.3V
4.0V
5.5V
100
100
380
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