ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 80

• 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 13-13
shown in
Table 13-13. Overriding Signals for Alternate Functions PD7:PD4
1.
2.
Table 13-14. Overriding Signals for Alternate Functions in PD3:PD0
1.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
(2)
(1)
(1)
Applies to ATmega169A/169PA
Applies to ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
Applies to ATmega329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
Figure 13-5 on page
and
PD7/SEG(19/15)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
SEG15
LCDSEG
PD3/SEG(23/19)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
LCDSEG
Table 13-14
relates the alternate functions of Port D to the overriding signals
72.
PD6/SEG(20/16)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
SEG16
LCDSEG
PD2/SEG(24/20)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
LCDSEG
PD5/SEG(21/17)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
SEG17
LCDSEG
PD1/INT0/
SEG(25/21)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN +
(INT0 ENABLE)
LCDEN •
(INT0 ENABLE)
INT0 INPUT
LCDSEG
PD4/SEG(22/18)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
–
SEG18
LCDSEG
PD0/ICP1/
SEG(26/22)
LCDEN • (LCDPM)
0
LCDEN • (LCDPM)
0
0
0
–
LCDEN • (LCDPM)
0
ICP1 INPUT
LCDSEG
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