ATmega328P Atmel Corporation, ATmega328P Datasheet - Page 358
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ATmega328P
Manufacturer Part Number
ATmega328P
Description
Manufacturer
Atmel Corporation
Specifications of ATmega328P
Flash (kbytes)
32 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)
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
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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30.2
30.2.1
8271D–AVR–05/11
ATmega48PA Typical Characteristics
Active Supply Current
Figure 30-48. ATmega48PA: Active Supply Current vs. Low Frequency (0.1-1.0MHz)
Figure 30-49. ATmega48PA: Active Supply Current vs. Frequency (1-20MHz)
0.8
0.6
0.4
0.2
1
0
12
10
8
6
4
2
0
0
0
0.1
ATmega48A/PA/88A/PA/168A/PA/328/P
2
0.2
4
1.8 V
0.3
6
0.4
Frequency (MHz)
8
Frequency (MHz)
2.7 V
0.5
10
0.6
12
3.3 V
0.7
14
0.8
16
4.0 V
0.9
18
1
20
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
5.5 V
5.0 V
4.5 V
358
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