ATMEGA649A-AU Atmel, ATMEGA649A-AU Datasheet - Page 18
![IC MCU AVR 64K FLASH 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA649A-AU
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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