ATmega649 Atmel Corporation, ATmega649 Datasheet - Page 390
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ATmega649
Manufacturer Part Number
ATmega649
Description
Manufacturer
Atmel Corporation
Specifications of ATmega649
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
100
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega649-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega649-16MU
Manufacturer:
Atmel
Quantity:
135
Part Number:
ATmega6490-16AI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega6490-16AU
Manufacturer:
Atmel
Quantity:
135
Company:
Part Number:
ATmega6490-16AUR
Manufacturer:
Atmel
Quantity:
1 500
Company:
Part Number:
ATmega6490A-AU
Manufacturer:
Atmel
Quantity:
1 250
Company:
Part Number:
ATmega6490A-AUR
Manufacturer:
Maxim
Quantity:
43
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