ATmega644P Automotive Atmel Corporation, ATmega644P Automotive Datasheet - Page 203
ATmega644P Automotive
Manufacturer Part Number
ATmega644P Automotive
Description
Manufacturer
Atmel Corporation
Specifications of ATmega644P Automotive
Flash (kbytes)
64 Kbytes
Pin Count
44
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
3
Twi (i2c)
1
Uart
2
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 125
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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7701E–AVR–02/11
Figure 23-30. BOD Threshold vs, Temperature (BODLEVEL is 2.7V)
Figure 23-31. BOD Threshold vs. Temperature (BODLEVEL is 1.8V)
1.85
1.84
1.83
1.82
1.81
1.79
1.78
2.78
2.76
2.74
2.72
2.68
2.66
2.64
1.8
2.7
-40
-40
-30
-30
-20
-20
-10
-10
Atmel ATtiny24/44/84 [Preliminary]
0
0
BANDGAP VOLTAGE vs . TEMP ERATURE
BANDGAP VOLTAGE vs . TEMP ERATURE
10
10
20
20
30
30
Temperature (C)
Temperature (C)
BOD = 1.8V
BOD = 2.7V
40
40
50
50
60
60
70
70
80
80
90
90
100 110 120
100 110 120
1
0
1
0
203
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