ATmega645P Atmel Corporation, ATmega645P Datasheet - Page 575
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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8285D–AVR–06/11
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Figure 29-468.ATmega645P: BOD Thresholds vs. Temperature (BOD Level is 1.8V)
Figure 29-469.ATmega645P: Bandgap Voltage vs. V
1.845
1.835
1.825
1.815
1.805
1.103
1.101
1.099
1.097
1.095
1.093
1.091
1.089
1.087
1.085
1.083
1.84
1.83
1.82
1.81
1.8
-45
1.5
-35
2
-25
-15
2.5
Rising Vcc
Falling Vcc
-5
3
5
Temperature (°C)
15
Vcc (V)
3.5
25
CC
35
4
45
4.5
55
65
5
75
5.5
85
-45 °C
25 °C
85 °C
575
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