ATmega645A Atmel Corporation, ATmega645A Datasheet - Page 480
ATmega645A
Manufacturer Part Number
ATmega645A
Description
Manufacturer
Atmel Corporation
Specifications of ATmega645A
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
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
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega645A-AUR
Manufacturer:
HONEYWELL
Quantity:
101
Company:
Part Number:
ATmega645A-MUR
Manufacturer:
TI
Quantity:
6 700
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8285D–AVR–06/11
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Figure 29-285.ATmega3250A: BOD Thresholds vs. Temperature (BOD Level is 2.7V)
Figure 29-286.ATmega3250A: BOD Thresholds vs. Temperature (BOD Level is 1.8V)
2.775
2.725
2.675
1.835
1.825
1.815
1.805
1.795
1.785
2.75
2.65
2.7
-40
-40
-30
-30
-20
-20
-10
-10
0
0
10
10
Temperature [°C]
Temperature [°C]
Rising Vcc
Falling Vcc
20
20
Falling Vcc
Rising Vcc
30
30
40
40
50
50
60
60
70
70
80
80
90
90
480
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