ATmega645P Atmel Corporation, ATmega645P Datasheet - Page 553
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ATmega645P
Manufacturer Part Number
ATmega645P
Description
Manufacturer
Atmel Corporation
Specifications of ATmega645P
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
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
Yes
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
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Part Number
Manufacturer
Quantity
Price
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29.8
29.8.1
8285D–AVR–06/11
ATmega645P
Active Supply Current
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Figure 29-426.ATmega645P: Active Supply Current vs. Low Frequency (0.1 - 1.0MHz)
Figure 29-427.ATmega645P: Active Supply Current vs. Frequency (1 - 20MHz)
1.2
0.8
0.6
0.4
0.2
16
14
12
10
8
6
4
2
0
1
0
0.1
0
0.2
2
4
0.3
1.8 V
6
0.4
8
Frequency (MHz)
Frequency (MHz)
2.7 V
0.5
10
3.3 V
0.6
12
0.7
14
4.0 V
0.8
16
0.9
18
1
20
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
5.5 V
5.0 V
4.5 V
553
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