ATMEGA644PV-20AU Atmel, ATMEGA644PV-20AU Datasheet - Page 402
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
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Part Number
Manufacturer
Quantity
Price
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8011O–AVR–07/10
Figure 26-121.I/O Pin Input Hysteresis vs. V
Figure 26-122.Reset Pin Input Threshold vs. V
0.6
0.5
0.4
0.3
0.2
0.1
2.5
1.5
0.5
0
2
1
0
1.5
1.5
2
2
2.5
2.5
3
3
CC
V
V
CC
CC
3.5
3.5
CC
(V)
(V)
ATmega164P/324P/644P
(V
IH
, I/O Pin Read as ‘1’).
4
4
4.5
4.5
5
5
5.5
5.5
-40°C
25°C
85°C
25°C
85°C
402
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