ATMEGA644PA-MUR Atmel, ATMEGA644PA-MUR Datasheet - Page 346
![IC MCU AVR 64K FLASH 44VQFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
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 28-7. ATmega164A: Idle Supply Current vs. V
Figure 28-8. ATmega164A: Idle Supply Current vs. V
164A/164PA/324A/324PA/644A/644PA/1284/1284P
2.5
1.5
0.5
1.2
0.8
0.6
0.4
0.2
3
2
1
0
1
0
1.5
0
2
2
4
1.8 V
2.5
6
3
8
Frequency (MHz)
V
CC
3.5
10
(V)
2.7 V
12
CC
CC
3.3 V
4
(1 - 20 MHz).
(Internal RC Oscillator, 8 MHz).
14
4.5
16
4.0 V
5
18
5.5
20
-40 °C
85 °C
25 °C
5.5 V
5.0 V
4.5 V
346
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