ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 92

• Manufacturer Part Number: ATMEGA649A-AU
• Description: IC MCU AVR 64K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649A-AU

• 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-TQFP
• Processor Series: ATmega
• Core: AVR
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, USART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 3
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8284A–AVR–10/10
Table 13-28 on page 92
the overriding signals shown in
Table 13-28. Overriding Signals for Alternate Functions in PJ7:4
Table 13-29. Overriding Signals for Alternate Functions in PH3:0
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
(ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P)
(ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P)
PJ7
0
0
0
0
0
0
–
0
0
–
–
PJ3/PCINT27/
SEG30
LCDEN
0
LCDEN
0
0
0
–
PCINT27 • PCIE0
•LCDEN • LCDPM
LCDSEG
and
Table 13-29 on page 92
Figure 13-5 on page
PJ6/PCINT30/
SEG27
LCDEN
0
LCDEN
0
0
0
–
PCINT30 • PCIE0
•LCDEN • LCDPM
0
–
LCDSEG
PJ2/PCINT26/
SEG31
LCDEN
0
LCDEN
0
0
0
–
PCINT26 • PCIE0
•LCDEN • LCDPM
LCDSEG
72.
relates the alternate functions of Port J to
PJ5/PCINT29/
SEG28
LCDEN
0
LCDEN
0
0
0
–
PCINT29 • PCIE0
•LCDEN • LCDPM
0
–
LCDSEG
PJ1/PCINT25/
SEG34
LCDEN
0
LCDEN
0
0
0
–
PCINT25 • PCIE0
•LCDEN • LCDPM
LCDSEG
PJ4/PCINT28/
SEG29
LCDEN
0
LCDEN
0
0
0
–
PCINT28 • PCIE0
•LCDEN • LCDPM
0
–
LCDSEG
PJ0/PCINT24/
SEG35
LCDEN
0
LCDEN
0
0
0
–
PCINT24 • PCIE0
•LCDEN • LCDPM
LCDSEG
92