ATmega329P Atmel Corporation, ATmega329P Datasheet - Page 394

• 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

29.2.11
8021G–AVR–03/11
Internal Oscillator Speed
Figure 29-98. ATmega3290P: Watchdog Oscillator Frequency vs. V
Figure 29-99. ATmega3290P: Watchdog Oscillator Frequency vs. Temperature
170
165
160
155
150
145
140
1300
1250
1200
1150
1100
1050
1000
-60
1.5
-40
2
-20
2.5
0
3
Temperature (°C)
V
CC
3.5
20
(V)
4
40
ATmega329P/3290P
4.5
60
CC
5
80
5.5
-45 °C
25 °C
85 °C
100
5.5 V
4.0 V
3.3 V
2.7 V
2.1 V
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