ATmega329P Atmel Corporation, ATmega329P Datasheet - Page 88

• 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

8021G–AVR–03/11
• PCINT28/SEG – Port J, Bit 4
PCINT28, Pin Change Interrupt Source 28: The PE28 pin can serve as an external interrupt
source.
SEG, LCD front plane 29.
• PCINT27/SEG – Port J, Bit 3
PCINT27, Pin Change Interrupt Source 27: The PE27 pin can serve as an external interrupt
source.
SEG, LCD front plane 30.
• PCINT26/SEG – Port J, Bit 2
PCINT26, Pin Change Interrupt Source 26: The PE26 pin can serve as an external interrupt
source.
SEG, LCD front plane 31.
• PCINT25/SEG – Port J, Bit 1
PCINT25, Pin Change Interrupt Source 25: The PE25 pin can serve as an external interrupt
source.
SEG, LCD front plane 34.
• PCINT24/SEG – Port J, Bit 0
PCINT24, Pin Change Interrupt Source 24: The PE24 pin can serve as an external interrupt
source.
SEG, LCD front plane 35.
Table 13-28 on page 88
the overriding signals shown in
Table 13-28. Overriding Signals for Alternate Functions in PJ7:4 (ATmega329P/3290P)
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
PJ7
0
0
0
0
0
0
–
0
0
–
–
and
Table 13-29 on page 89
Figure 13-5 on page
PJ6/PCINT30/
SEG27
LCDEN
0
LCDEN
0
0
0
–
PCINT30 • PCIE0
•LCDEN • LCDPM
0
–
LCDSEG
69.
relates the alternate functions of Port J to
PJ5/PCINT29/
SEG28
LCDEN
0
LCDEN
0
0
0
–
PCINT29 • PCIE0
•LCDEN • LCDPM
0
–
LCDSEG
ATmega329P/3290P
PJ4/PCINT28/
SEG29
LCDEN
0
LCDEN
0
0
0
–
PCINT28 • PCIE0
•LCDEN • LCDPM
0
–
LCDSEG
88