ATmega3290P Atmel Corporation, ATmega3290P Datasheet - Page 378
ATmega3290P
Manufacturer Part Number
ATmega3290P
Description
Manufacturer
Atmel Corporation
Specifications of ATmega3290P
Flash (kbytes)
32 Kbytes
Pin Count
100
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
160
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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29.2.4
29.2.5
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 29-67. ATmega3290P: 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 29-4
≈
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
29-3.
4
ATmega329P/3290P
CC
4.5
(Watchdog Timer Disabled)
Figure
5
29-63, we find that
5.5
Table 29-4
-40 °C
85 °C
25 °C
378
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