ATmega329A Atmel Corporation, ATmega329A Datasheet - Page 364

• Manufacturer Part Number: ATmega329A
• Manufacturer: Atmel Corporation

Specifications of ATmega329A

• 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: 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

30.1.3
8284D–AVR–6/11
ATmega169A: Supply Current of I/O modules
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Figure 30-10. ATmega169A: Idle Supply Current vs. V
The tables and formulas below can be used to calculate the additional current consumption for
the different I/O modules in Active and Idle mode. The enabling or disabling of the I/O modules
are controlled by the Power Reduction Register. See
page 46
Table 30-1.
Table 30-2.
It is possible to calculate the typical current consumption based on the numbers from
for other V
PRR bit
PRADC
PRUSART0
PRSPI
PRTIM1
PRLCD
PRR bit
PRADC
PRUSART0
PRSPI
PRTIM1
PRLCD
for details.
CC
9
8
7
6
5
4
3
2
1
0
1.5
and frequency settings than listed in
Additional Current Consumption for the different I/O modules (absolute values)
Additional Current Consumption (percentage) in Active and Idle mode
Additional Current consumption
compared to Active with external clock
(see
Typical numbers
7µA
6.6µA
7µA
7.3µA
6.9µA
V
Figure 30-1
2
CC
= 2V, F = 1MHz
2.5
and
3.2%
3.4%
3.3%
3.4%
3.5%
Figure
3
30-2)
V
44µA
43.5µA
47µA
47µA
48µA
CC
3.5
V
(V)
CC
Table
= 3V, F = 4MHz
CC
4
”PRR – Power Reduction Register” on
30-1.
Additional Current consumption
compared to Idle with external clock
(see
(32kHz Watch Crystal)
Figure 30-6
4.5
195µA
210µA
205µA
206µA
215µA
5
13.1%
13.0%
13.2%
12.7%
13.7%
and
V
CC
Figure
= 5V, F = 8MHz
5.5
-45 °C
85 °C
25 °C
30-7)
Table 30-2
364