ATMEGA649-16MUR Atmel, ATMEGA649-16MUR Datasheet - Page 81

• Manufacturer Part Number: ATMEGA649-16MUR
• Description: MCU AVR 64KB FLASH 16MHZ 64QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649-16MUR

• 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: 53
• 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): 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

13.3.8
2552K–AVR–04/11
Alternate Functions of Port H
Table 13-23. Overriding Signals for Alternate Functions in PG3:0
Port H is only present in ATmega3290/6490. The alternate pin configuration is as follows:
Table 13-24. 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.
• PCINT22/SEG – Port H, Bit 6
PCINT22, Pin Change Interrupt Source 22: The PH6 pin can serve as an external interrupt
source.
SEG, LCD front plane 37.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PH7
PH6
PH5
PH4
PH3
PH2
PH1
PH0
PG3/T1/
SEG(33/24)
LCDEN
0
LCDEN
0
0
0
–
LCDEN •
(LCDPM)
0
T1 INPUT
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
–
LCDSEG
ATmega329/3290/649/6490
PG1/SEG(17/13)
LCDEN
0
LCDEN
0
0
0
–
LCDEN •
(LCDPM)
0
–
LCDSEG
PG0/SEG(1814)
LCDEN
0
LCDEN
0
0
0
–
LCDEN •
(LCDPM)
0
–
LCDSEG
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