ATMEGA649P-MUR Atmel, ATMEGA649P-MUR Datasheet - Page 253

• Manufacturer Part Number: ATMEGA649P-MUR
• Description: AVR, 64KB FLASH, 2KB EE, 4KB SRA
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649P-MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 54
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8284A–AVR–10/10
• 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 23-8.
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
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
23-8. 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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