ATmega329P Atmel Corporation, ATmega329P Datasheet - Page 378

• Manufacturer Part Number: ATmega329P
• Manufacturer: Atmel Corporation

Specifications of ATmega329P

• Flash (kbytes): 32 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 54
• Ext Interrupts: 17
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Segment Lcd: 100
• 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

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