ATmega329 Atmel Corporation, ATmega329 Datasheet - Page 356

• Manufacturer Part Number: ATmega329
• Manufacturer: Atmel Corporation

Specifications of ATmega329

• Flash (kbytes): 32 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 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

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ATmega329/3290/649/6490
Figure 29-41. BOD Thresholds vs. Temperature (BOD Level is 1.8V)
Figure 29-42. Bandgap Voltage vs. V
1.076
1.075
1.074
1.073
1.072
1.071
1.069
1.068
1.07
1.95
1.85
1.75
1.9
1.8
1.7
1.5
-60
-40
2
-20
2.5
0
CC
Temperature (°C)
3
V
CC
20
Rising V
Falling V
(V)
3.5
CC
CC
40
4
60
4.5
80
100
5
-40°C
25°C
85°C
2552K–AVR–04/11