ATmega168A Atmel Corporation, ATmega168A Datasheet - Page 513

no-image

ATmega168A

Manufacturer Part Number
ATmega168A
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega168A

Flash (kbytes)
16 Kbytes
Pin Count
32
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
23
Ext Interrupts
24
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
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
Yes
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
512
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
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Table 30-16. ATmega328P: Additional Current Consumption (percentage) in Active and Idle
PRR bit
PRUSART0
PRTWI
PRTIM2
PRTIM1
PRTIM0
PRSPI
PRADC
It is possible to calculate the typical current consumption based on the numbers from
15
for other V
30.8.3.1
Example
Calculate the expected current consumption in idle mode with TIMER1, ADC, and SPI enabled
at V
CC
14.5% for the TIMER1, 22.1% for the ADC, and 15.7% for the SPI module. Reading from
30-336 on page
= 1MHz. The total current consumption in idle mode with TIMER1, ADC, and SPI enabled, gives:
I
CC
total
8271D–AVR–05/11
ATmega48A/PA/88A/PA/168A/PA/328/P
mode
Additional Current consumption
compared to Active with external
clock (see
Figure 30-330 on page
507
and
Figure 30-331 on page
508)
1.4%
3.0%
3.3%
2.7%
0.9%
2.9%
4.1%
and frequency settings than listed in
CC
= 2.0V and F = 1MHz. From
Table
510, we find that the idle current consumption is ~0.055 mA at V
0.045 mA (1 + 0.145 + 0.221 + 0.157)
Additional Current consumption
compared to Idle with external
clock (see
Figure 30-335 on page
510
and
Figure 30-336 on page
510)
7.8%
16.6%
17.8%
14.5%
4.8%
15.7%
22.1%
Table
30-16.
30-16, third column, we see that we need to add
0.069 mA
Table 30-
Figure
= 2.0V and F
CC
513

Related parts for ATmega168A