ATmega3290A Atmel Corporation, ATmega3290A Datasheet - Page 87

• 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

14.3.8
8284D–AVR–6/11
Alternate Functions of Port H
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
Table 14-23. Overriding Signals for Alternate Functions in PG3:0
1.
2.
Port H is only present in ATmega3290A/3290PA/6490A/6490P. The alternate pin configuration
is as follows:
Table 14-24. Port H Pins Alternate Functions
The alternate pin configuration is as follows:
• PCINT23/SEG – Port H, Bit 7
PCINT23, Pin Change Interrupt Source 23: The PH7 pin can serve as an external interrupt
source.
SEG, LCD front plane 36.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
AIO
Port Pin
(1)
(2)
PH7
PH6
PH5
PH4
PH3
PH2
PH1
PH0
Applies to ATmega169A/169PA
Applies to ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
PG3/T1/
SEG(33/24)
LCDEN
0
LCDEN
0
0
0
–
LCDEN • (LCDPM)
0
T1 INPUT
SEG24
LCDSEG
Alternate Function
PCINT23/SEG (Pin Change Interrupt23 or LCD Front Plane 36)
PCINT22/SEG (Pin Change Interrupt22 or LCD Front Plane 37)
PCINT21/SEG (Pin Change Interrupt21 or LCD Front Plane 38)
PCINT20/SEG (Pin Change Interrupt20 or LCD Front Plane 39)
PCINT19/SEG (Pin Change Interrupt19 or LCD Front Plane 7)
PCINT18/SEG (Pin Change Interrupt18 or LCD Front Plane 8)
PCINT17/SEG (Pin Change Interrupt17 or LCD Front Plane 9)
PCINT16/SEG (Pin Change Interrupt16 or LCD Front Plane 10)
PG2/SEG(4/4)
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
SEG4
LCDSEG
PG1/SEG(17/13)
LCDEN
0
LCDEN
0
0
0
–
LCDEN • (LCDPM)
0
–
SEG13
LCDSEG
PG0/SEG(1814)
LCDEN
0
LCDEN
0
0
0
–
LCDEN • (LCDPM)
0
–
SEG14
LCDSEG
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