ATmega649 Atmel Corporation, ATmega649 Datasheet - Page 79
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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:
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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
13.3.7
2552K–AVR–04/11
Alternate Functions of Port G
Table 13-20. Overriding Signals for Alternate Functions in PF3:PF0
The alternate pin configuration is as follows:
Table 13-21. Port G Pins Alternate Functions (SEG refers to 100-pin/64-pin pinout)
Note:
The alternate pin configuration is as follows:
• RESET – Port G, Bit 5
RESET: External Reset input. When the RSTDISBL Fuse is programmed (‘0’), PG5 will function
as input with pull-up always on.
• T0/SEG – Port G, Bit 4
T0, Timer/Counter0 Counter Source.
SEG, LCD front plane 32/23.
• T1/SEG24 – Port G, Bit 3
T1, Timer/Counter1 Counter Source.
SEG, LCD front plane 33/24.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PG5
PG4
PG3
PG2
PG1
PG0
1. Port G, PG5 is input only. Pull-up is always on.
See
Table 27-3 on page 294
PF3/ADC3
0
0
0
0
0
0
–
0
0
–
ADC3 INPUT
Alternate Function
RESET
T0/SEG (Timer/Counter0 Clock Input or LCD Front Plane 32/23)
T1/SEG (Timer/Counter1 Clock Input or LCD Front Plane 33/24)
SEG (LCD Front Plane 4/4)
SEG (LCD Front Plane 17/13)
SEG (LCD Front Plane 18/14)
(1)
PF2/ADC2
0
0
0
0
0
0
–
0
0
–
ADC2 INPUT
for RSTDISBL fuse.
ATmega329/3290/649/6490
PF1/ADC1
0
0
0
0
0
0
–
0
0
–
ADC1 INPUT
PF0/ADC0
0
0
0
0
0
0
–
0
0
–
ADC0 INPUT
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