ATMEGA644P-20AQ Atmel, ATMEGA644P-20AQ Datasheet - Page 370
ATMEGA644P-20AQ
Manufacturer Part Number
ATMEGA644P-20AQ
Description
MCU AVR 64K FLASH 20MHZ 44-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA164P-20AU.pdf
(439 pages)
Specifications of ATMEGA644P-20AQ
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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26.2.5
26.2.6
8011O–AVR–07/10
Power-save Supply Current
Standby Supply Current
Figure 26-60. Power-save Supply Current vs. V
Figure 26-61. Standby Supply Current vs. V
0.18
0.16
0.14
0.12
0.08
0.06
0.04
0.02
0.1
1.4
1.2
0.8
0.6
0.4
0.2
0
1
0
1.5
1.5
tal Oscillator Running).
2
2
2.5
2.5
3
3
V
CC
CC
3.5
V
(V)
CC
3.5
(Watchdog Timer Disabled).
CC
(V)
ATmega164P/324P/644P
(Watchdog Timer Disabled and 32 kHz Crys-
4
4
4.5
4.5
5
5
5.5
6 MHz_xtal
6 MHz_res
4 MHz_xtal
4 MHz_res
2 MHz_xtal
2 MHz_res
450 kHz_res
5.5
25°C
370
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