ATMEGA649P-AUR Atmel, ATMEGA649P-AUR Datasheet - Page 366
ATMEGA649P-AUR
Manufacturer Part Number
ATMEGA649P-AUR
Description
IC MCU AVR 64KB FLASH 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA649P-AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
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
64-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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29.1.3.1
29.1.4
8284A–AVR–10/10
Power-down Supply Current
Example 1
Calculate the expected current consumption in idle mode with USART0, TIMER1, and SPI
enabled at V
add 13.1% for the USART0, 13.0% for the SPI, and 13.2% for the TIMER1 module. Reading
from
F = 1MHz. The total current consumption in idle mode with USART0, TIMER1, and SPI enabled,
gives:
Figure 29-11. ATmega169A: Power-down Supply Current vs. V
Figure 29-12. ATmega169A: Power-down Supply Current vs. V
I
CC
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
total
Figure
≈
0.09mA
1.4
1.2
0.8
0.6
0.4
0.2
20
18
16
14
12
10
1
0
8
6
4
2
0
CC
1.5
1.5
29-6, we find that the idle current consumption is ~0.09 mA at V
= 3.0V and F = 1MHz. From
•
(
1
+
0.131
2
2
+
0.13
2.5
2.5
+
0.132
3
3
)
≈
0.13mA
Table
V
V
CC
CC
3.5
3.5
(V)
(V)
29-2, second column, we see that we need to
4
4
4.5
CC
CC
4.5
(Watchdog Timer Disabled)
(Watchdog Timer Enabled
5
5
5.5
5.5
CC
-45 °C
-45 °C
85 °C
25 °C
85 °C
25 °C
= 3.0V and
366
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