ATmega3290A Atmel Corporation, ATmega3290A Datasheet - Page 86

• Manufacturer Part Number: ATmega3290A
• Manufacturer: Atmel Corporation

Specifications of ATmega3290A

• Flash (kbytes): 32 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 69
• Ext Interrupts: 32
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• Segment Lcd: 160
• 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

8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
• SEG – Port G, Bit 2
SEG, LCD front plane 4/4.
• SEG – Port G, Bit 1
SEG, Segment driver 17/13.
• SEG – Port G, Bit 0
SEG, LCD front plane 18/14.
Table 14-21
shown in
Table 14-22. Overriding Signals for Alternate Functions in PG4
1.
2.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
AIO
(1)
(2)
Applies to ATmega169A/169PA
Applies to ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
Figure 14-5 on page
and
Table 14-22
relates the alternate functions of Port G to the overriding signals
72.
PG4/T0/
SEG(32/23)
LCDEN
0
LCDEN
1
0
0
–
LCDEN • (LCDPM)
0
T0 INPUT
SEG23
LCDSEG
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