ATmega329A Atmel Corporation, ATmega329A Datasheet - Page 78

• Manufacturer Part Number: ATmega329A
• Manufacturer: Atmel Corporation

Specifications of ATmega329A

• 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: 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

14.3.3
8284D–AVR–6/11
Alternate Functions of Port C
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
The Port C has an alternate function as SEG for the LCD Controller.
Table 14-9.
The alternate pin configuration is as follows:
• SEG – Port D, Bit 7:0
SEG, LCD front plane 5/5, 6/6, 11/7-16/12.
Table 14-10
shown in
Table 14-10. Overriding Signals for Alternate Functions in PC7:PC4
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Figure 14-5 on page
and
Port C Pins Alternate Functions (SEG refers to 100-pin/64-pin pinout)
Alternate Function
SEG (LCD Front Plane 5/5)
SEG (LCD Front Plane 6/6)
SEG (LCD Front Plane 11/7)
SEG (LCD Front Plane 12/8)
SEG (LCD Front Plane 13/9)
SEG (LCD Front Plane14/10)
SEG (LCD Front Plane 15/11)
SEG (LCD Front Plane 16/12)
PC7/SEG5
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
Table 14-11
72.
relate the alternate functions of Port C to the overriding signals
PC6/SEG6
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
PC5/SEG(11/7)
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
PC4/SEG(12/8)
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
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