ATMEGA644P-20MU Atmel, ATMEGA644P-20MU Datasheet - Page 390
ATMEGA644P-20MU
Manufacturer Part Number
ATMEGA644P-20MU
Description
IC MCU AVR 64K FLASH 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644P-20MU
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-VQFN Exposed Pad
Processor Series
ATMEGA64x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
2-Wire, JTAG, SPI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
32
Number Of Timers
5
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Controller Family/series
AVR MEGA
No. Of I/o's
32
Eeprom Memory Size
2KB
Ram Memory Size
4KB
Cpu Speed
20MHz
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA644P-20MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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26.3.2
8011O–AVR–07/10
Idle Supply Current
Figure 26-99. Active Supply Current vs. V
Figure 26-100.Idle Supply Current vs. V
0.35
0.25
0.15
0.05
0.25
0.15
0.05
0.3
0.2
0.1
0.3
0.2
0.1
0
0
1.5
0
0.1
2
0.2
2.5
0.3
3
0.4
CC
Frequency (MHz)
CC
(0.1 MHz - 1.0 MHz).
(Internal RC Oscillator, 128 kHz).
V
CC
0.5
3.5
(V)
ATmega164P/324P/644P
0.6
4
0.7
4.5
0.8
5
0.9
5.5
1
-40°C
5.5V
5.0V
4.5V
4.0V
3.3V
2.7V
1.8V
25°C
85°C
390
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