ATmega644P Automotive Atmel Corporation, ATmega644P Automotive Datasheet - Page 343
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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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27.1
7674F–AVR–09/09
Power-down Supply Current
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
Figure 27-9. Idle Supply Current vs. Vcc (Internal RC Oscillator 1 MHz)
Figure 27-10. Power-down Supply Current vs. Vcc (Watchdog Timer Disabled)
2.5
25
20
15
10
5
0
1.5
3
2
3.5
2.5
IDLE S UP P LY CURRENT vs . V
POWER-DOWN SUPPLY CURRENT vs. V
INTERNAL RC OSCILLATOR, 1 MHz
3
WATCHDOG TIMER DISABLED
V
CC
4
(V)
V
CC
3.5
(V)
ATmega164P/324P/644P
4
4.5
C C
4.5
CC
5
5
5.5
5.5
125 ˚C
-40 ˚C
85 ˚C
25 ˚C
125
85
25
343
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