ATmega645P Atmel Corporation, ATmega645P Datasheet - Page 510
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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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- Current page: 510 of 679
- Download datasheet (37Mb)
29.6.10
8285D–AVR–06/11
BOD Thresholds and Analog Comparator Offset
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Figure 29-343.ATmega3250PA: Reset Input Pin Hysteresis vs. V
Figure 29-344.ATmega3250PA: BOD Thresholds vs. Temperature (BOD Level is 4.3V)
4.325
4.275
4.225
0.7
0.6
0.5
0.4
0.3
0.2
0.1
4.35
4.25
4.3
0
1.5
-40
-30
2
-20
-10
2.5
0
3
10
Temperature [°C]
Rising Vcc
Falling Vcc
20
V
CC
3.5
(V)
30
40
4
50
4.5
60
CC
70
5
80
5.5
90
-40 °C
25 °C
85 °C
510
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