ATMEGA649V-8AU Atmel, ATMEGA649V-8AU Datasheet - Page 85

• Manufacturer Part Number: ATMEGA649V-8AU
• Description: IC AVR MCU FLASH 64K 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649V-8AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• 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): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Processor Series: ATMEGA64x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, USART, USI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Package: 64TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 8 MHz
• Cpu Family: ATmega
• Device Core Size: 8b
• Frequency (max): 8MHz
• Total Internal Ram Size: 4KB
• # I/os (max): 54
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: TQFP
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2552K–AVR–04/11
• PCINT28/SEG – Port J, Bit 4
PCINT28, Pin Change Interrupt Source 28: The PE28 pin can serve as an external interrupt
source.
SEG, LCD front plane 29.
• PCINT27/SEG – Port J, Bit 3
PCINT27, Pin Change Interrupt Source 27: The PE27 pin can serve as an external interrupt
source.
SEG, LCD front plane 30.
• PCINT26/SEG – Port J, Bit 2
PCINT26, Pin Change Interrupt Source 26: The PE26 pin can serve as an external interrupt
source.
SEG, LCD front plane 31.
• PCINT25/SEG – Port J, Bit 1
PCINT25, Pin Change Interrupt Source 25: The PE25 pin can serve as an external interrupt
source.
SEG, LCD front plane 34.
• PCINT24/SEG – Port J, Bit 0
PCINT24, Pin Change Interrupt Source 24: The PE24 pin can serve as an external interrupt
source.
SEG, LCD front plane 35.
Table 13-28
shown in
Table 13-28. Overriding Signals for Alternate Functions in PJ7:4
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Figure 13-5 on page
and
Table 13-29
65.
relates the alternate functions of Port J to the overriding signals
PJ6/PCINT30/
SEG27
LCDEN
0
LCDEN
0
0
0
–
PCINT30 •
PCIE0 •LCDEN •
LCDPM
LCDSEG
ATmega329/3290/649/6490
PJ5/PCINT29/
SEG28
LCDEN
0
LCDEN
0
0
0
–
PCINT29 •
PCIE0 •LCDEN •
LCDPM
LCDSEG
PJ4/PCINT28/
SEG29
LCDEN
0
LCDEN
0
0
0
–
PCINT28 •
PCIE0 •LCDEN •
LCDPM
LCDSEG
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