ATmega640 Atmel Corporation, ATmega640 Datasheet - Page 388
ATmega640
Manufacturer Part Number
ATmega640
Description
Manufacturer
Atmel Corporation
Specifications of ATmega640
Flash (kbytes)
64 Kbytes
Pin Count
100
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
86
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
5
Twi (i2c)
1
Uart
4
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
8
Eeprom (bytes)
4096
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
6
Output Compare Channels
16
Input Capture Channels
4
Pwm Channels
15
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega640-16AU
Manufacturer:
OSRAM
Quantity:
12 000
Part Number:
ATmega640-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega640V-8AU
Manufacturer:
PHILIPS
Quantity:
56
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32.2
2549N–AVR–05/11
Idle Supply Current
Figure 32-6. Idle Supply Current vs. Low Frequency (0.1MHz - 1.0MHz)
Figure 32-7. Idle Supply Current vs. Frequency (1MHz - 16MHz)
0.6
0.5
0.4
0.3
0.2
0.1
0
8
7
6
5
4
3
2
1
0
0
0
0.1
2
0.2
4
1.8V
ATmega640/1280/1281/2560/2561
0.3
6
0.4
Frequency (MHz)
Frequency (MHz)
0.5
8
3.3V
2.7V
0.6
10
0.7
12
0.8
4.0V
14
0.9
16
1
5.5V
5.0V
4.5V
4.0V
3.3V
2.7V
1.8V
5.5V
5.0V
4.5V
388
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