ATmega168P Atmel Corporation, ATmega168P Datasheet - Page 351

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ATmega168P

Manufacturer Part Number
ATmega168P
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega168P

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
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
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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30.2.3
8025M–AVR–6/11
Supply Current of IO Modules
Figure 30-56. Idle Supply Current vs. Vcc (Internal RC Oscillator, 8 MHz).
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
details.
Table 30-3.
Table 30-4.
PRR bit
PRUSART0
PRTWI
PRTIM2
PRTIM1
PRTIM0
PRSPI
PRADC
PRR bit
PRUSART0
PRTWI
PRTIM2
2.5
1.5
0.5
3
2
1
0
1.5
Additional Current Consumption for the different I/O modules (absolute values)
Additional Current Consumption (percentage) in Active and Idle mode
Typical numbers
4.12 uA
8.96 uA
9.94 uA
8.81 uA
Additional Current consumption
compared to Active with external
clock (see
346
347)
1.3%
2.9%
3.2%
2.29 uA
9.27 uA
8.31 uA
V
CC
and
2
= 2V, F = 1MHz
Figure 30-48 on page
Figure 30-47 on page
2.5
3
26.7 uA
58.6 uA
64.1 uA
56.9 uA
15.5 uA
56.8 uA
58.4 uA
V
CC
V
CC
3.5
= 3V, F = 4MHz
(V)
”Power Reduction Register” on page 43
ATmega48P/88P/168P
Additional Current consumption
compared to Idle with external
clock (see
349
349)
8.0%
17.6%
19.2%
4
and
Figure 30-53 on page
4.5
Figure 30-52 on page
108.3 uA
238.2 uA
256.3 uA
227.0 uA
62.3 uA
260.4 uA
230.8 uA
V
CC
= 5V, F = 8MHz
5
5.5
-40 °C
85 °C
25 °C
351
for

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