ATMEGA3290P-20AUR Atmel, ATMEGA3290P-20AUR Datasheet - Page 246

• Manufacturer Part Number: ATMEGA3290P-20AUR
• Description: MCU AVR 32K FLASH 20MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA3290P-20AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8021G–AVR–03/11
• Bits 3:0 – LCDCC3:0: LCD Contrast Control
The LCDCC3:0 bits determine the maximum voltage V
different selections are shown in
ning of a new frame.
Table 23-8.
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 23-8 on page
LCDCC1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
LCDCC0
246. New values take effect every begin-
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
LCD
ATmega329P/3290P
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
246