ATMEGA3290P-20AUR Atmel, ATMEGA3290P-20AUR Datasheet - Page 348
![MCU AVR 32K FLASH 20MHZ 64TQFP](/photos/6/70/67048/313-100-tqfp_sml.jpg)
ATMEGA3290P-20AUR
Manufacturer Part Number
ATMEGA3290P-20AUR
Description
MCU AVR 32K FLASH 20MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA3290P-20AUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
69
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Company
Part Number
Manufacturer
Quantity
Price
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29.1.4
29.1.5
8021G–AVR–03/11
Example
Power-down Supply Current
It is possible to calculate the typical current consumption based on the numbers from
for other V
Calculate the expected current consumption in idle mode with USART0, TIMER1, and SPI
enabled at V
USART0, 5.9% for the SPI, and 2.6% for the TIMER1 module. From
the idle current consumption is ~0.21mA at V
sumption in idle mode with USART0, TIMER1, and SPI enabled, gives:
Figure 29-10. ATmega329P: Power-down Supply Current vs. V
I
CC
total
≈
2.5
1.5
0.5
0.21mA
3
2
1
0
1.5
CC
and frequency settings than listed in
CC
•
= 3.0V and F = 1MHz.
(
1
2
+
0.049
+
2.5
0.059
+
0.026
3
)
Table 29-2
≈
0.24mA
V
CC
CC
3.5
(V)
= 3.0V and F = 1MHz. The total current con-
Table
shows that we need to add 4.9% for the
29-1.
4
ATmega329P/3290P
CC
4.5
(Watchdog Timer Disabled)
Figure
5
29-6, we find that
5.5
Table 29-2
-40 °C
85 °C
25 °C
348
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