ATmega3290A Atmel Corporation, ATmega3290A Datasheet - Page 253

• 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
• Bits 3:0 – LCDCC[3:0]: LCD Contrast Control
The LCDCC[3:0] bits determine the maximum voltage V
different selections are shown in
frame.
Table 24-8.
LCDCC3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
LCD Contrast Control
LCDCC2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Table
LCDCC1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
24-8. New values take effect every beginning of a new
LCDCC0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
LCD
on segment and common pins. The
Maximum Voltage V
2.60
2.65
2.70
2.75
2.80
2.85
2.90
2.95
3.00
3.05
3.10
3.15
3.20
3.25
3.30
3.35
LCD
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