ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 18

• 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

18
PUSH
POP
MCU CONTROL INSTRUCTIONS
NOP
SLEEP
WDR
BREAK
Mnemonics
ATmega169A/169PA/329A/329PA/649A/649P/3290A/3290PA/6490A/6490P
Rr
Rd
Operands
Push Register on Stack
Pop Register from Stack
No Operation
Sleep
Watchdog Reset
Break
Description
STACK ← Rr
Rd ← STACK
(see specific descr. for Sleep function)
(see specific descr. for WDR/timer)
For On-chip Debug Only
Operation
None
None
None
None
None
None
Flags
8284AS–AVR–10/10
#Clocks
N/A
2
2
1
1
1