ATMEGA649P-MUR Atmel, ATMEGA649P-MUR Datasheet - Page 29

• 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

7.6.6
7.6.7
8284A–AVR–10/10
GPIOR1 – General Purpose I/O Register 1
GPIOR0 – General Purpose I/O Register 0
Bit
0x2A (0x4A)
Read/Write
Initial Value
Bit
0x1E (0x3E)
Read/Write
Initial Value
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
MSB
MSB
R/W
R/W
7
0
7
0
R/W
R/W
6
0
6
0
R/W
R/W
5
0
5
0
R/W
R/W
4
0
4
0
R/W
R/W
3
0
3
0
R/W
R/W
2
0
2
0
R/W
R/W
1
0
1
0
LSB
R/W
LSB
R/W
0
0
0
0
GPIOR1
GPIOR0
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