ATmega645P Atmel Corporation, ATmega645P Datasheet - Page 426
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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
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29.3.13
8285D–AVR–06/11
Current Consumption in Reset and Reset Pulsewidth
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Figure 29-181.ATmega325A: Programming Current vs. V
Figure 29-182.ATmega325A: Reset Supply Current vs. V
0.16
0.14
0.12
0.08
0.06
0.04
0.02
0.1
14
12
10
0
8
6
4
2
0.1
1.5
Through The Reset Pull-up)
0.2
2
0.3
2.5
0.4
3
Frequency [MHz]
0.5
V
CC
3.5
[V]
0.6
4
CC
CC
0.7
(0.1 - 1.0MHz, Excluding Current
4.5
0.8
5
0.9
5.5
1
-40 °C
25 °C
85 °C
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
426
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