ATMEGA649-16MI Atmel, ATMEGA649-16MI Datasheet - Page 390

• Manufacturer Part Number: ATMEGA649-16MI
• Description: IC AVR MCU FLASH 64K 5V 64QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649-16MI

• 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: 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-MLF®, 64-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

vi
ATmega329/3290/649/6490
27 Memory Programming ......................................................................... 293
28 Electrical Characteristics .................................................................... 326
29 Typical Characteristics ........................................................................ 335
30 Register Summary ............................................................................... 365
31 Instruction Set Summary .................................................................... 369
32 Ordering Information ........................................................................... 372
33 Packaging Information ........................................................................ 376
26.6
26.7
26.8
27.1
27.2
27.3
27.4
27.5
27.6
27.7
27.8
28.1
28.2
28.3
28.4
28.5
28.6
28.7
28.8
32.1
32.2
32.3
32.4
33.1
33.2
33.3
Addressing the Flash During Self-Programming ...........................................283
Self-Programming the Flash ..........................................................................283
Register Description ......................................................................................291
Program And Data Memory Lock Bits ...........................................................293
Fuse Bits ........................................................................................................294
Signature Bytes .............................................................................................296
Calibration Byte .............................................................................................296
Parallel Programming Parameters, Pin Mapping, and Commands ...............296
Parallel Programming ....................................................................................299
Serial Downloading ........................................................................................308
Programming via the JTAG Interface ............................................................313
Absolute Maximum Ratings* .........................................................................326
DC Characteristics .........................................................................................326
Speed Grades ...............................................................................................328
Clock Characteristics .....................................................................................329
System and Reset Characteristics ................................................................330
SPI Timing Characteristics ............................................................................331
ADC Characteristics ......................................................................................333
LCD Controller Characteristics ......................................................................334
ATmega329 ...................................................................................................372
ATmega3290 .................................................................................................373
ATmega649 ...................................................................................................374
ATmega6490 .................................................................................................375
64A ................................................................................................................376
64M1 ..............................................................................................................377
100A ..............................................................................................................378
2552K–AVR–04/11