ATmega649 Atmel Corporation, ATmega649 Datasheet - Page 84
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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
13.3.9
84
ATmega329/3290/649/6490
Alternate Functions of Port J
Table 13-26. Overriding Signals for Alternate Functions in PH3:0
Port J is only present in ATmega3290/6490. The alternate pin configuration is as follows:
Table 13-27. Port J Pins Alternate Functions
The alternate pin configuration is as follows:
• PCINT30/SEG – Port J, Bit 6
PCINT30, Pin Change Interrupt Source 30: The PE30 pin can serve as an external interrupt
source.
SEG, LCD front plane 27.
• PCINT29/SEG – Port J, Bit 5
PCINT29, Pin Change Interrupt Source 29: The PE29 pin can serve as an external interrupt
source.
SEG, LCD front plane28.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
PH3/PCINT19/
SEG7
LCDEN
0
LCDEN
0
0
0
–
PCINT19 •
PCIE0 •LCDEN •
LCDPM
PCINT19 INPUT
LCDSEG
Alternate Function
PCINT30/SEG (Pin Change Interrupt30 or LCD Front Plane 27)
PCINT29/SEG (Pin Change Interrupt29 or LCD Front Plane 28)
PCINT28/SEG (Pin Change Interrupt28 or LCD Front Plane 29)
PCINT27/SEG (Pin Change Interrupt27 or LCD Front Plane 30)
PCINT26/SEG(Pin Change Interrupt26 or LCD Front Plane 31)
PCINT25/SEG(Pin Change Interrupt25 or LCD Front Plane 34)
PCINT24/SEG (Pin Change Interrupt26 or LCD Front Plane 35)
PH2/PCINT18/
SEG8
LCDEN
0
LCDEN
0
0
0
–
PCINT18 •
PCIE0 •LCDEN •
LCDPM
PCINT18 INPUT
LCDSEG
PH1/PCINT17/
SEG9
LCDEN
0
LCDEN
0
0
0
–
PCINT17 •
PCIE0 •LCDEN •
LCDPM
PCINT17 INPUT
LCDSEG
PH0/PCINT16/
SEG10
LCDEN
0
LCDEN
0
0
0
–
PCINT16 •
PCIE0 •LCDEN •
LCDPM
PCINT16 INPUT
LCDSEG
2552K–AVR–04/11