ATmega3290 Atmel Corporation, ATmega3290 Datasheet - Page 341
ATmega3290
Manufacturer Part Number
ATmega3290
Description
Manufacturer
Atmel Corporation
Specifications of ATmega3290
Flash (kbytes)
32 Kbytes
Pin Count
100
Max. Operating Frequency
16 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
No
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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29.0.3.1
29.0.4
2552K–AVR–04/11
Power-down Supply Current
Example
Calculate the expected current consumption in idle mode with USART0, TIMER1, and SPI
enabled at V
USART0, 9% for the SPI, and 4.8% for the TIMER1 module. From
idle current consumption is ~0.16mA at V
tion in idle mode with USART0, TIMER1, and SPI enabled, gives:
Figure 29-11. Power-down Supply Current vs. V
Figure 29-12. Power-down Supply Current vs. V
I
CC
total
3.5
2.5
1.5
0.5
≈
20
18
16
14
12
10
4
3
2
1
0
8
6
4
2
0
0.16mA
1.5
1.5
CC
•
= 3.0V and F = 1MHz.
(
2
2
1
+
0.085
2.5
2.5
+
0.09
+
0.048
3
3
)
Table 29-2
V
≈
V
CC
CC
CC
3.5
3.5
0.20mA
(V)
(V)
ATmega329/3290/649/6490
= 3.0V and F = 1MHz. The total current consump-
CC
CC
(Watchdog Timer Disabled)
(Watchdog Timer Enabled)
4
4
shows that we need to add 8.5% for the
4.5
4.5
Figure
5
5
29-6, we find that the
5.5
5.5
-40 °C
-40 °C
85 °C
25 °C
85 °C
25 °C
341
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