ATmega644P Automotive Atmel Corporation, ATmega644P Automotive Datasheet - Page 198
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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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Atmel ATtiny24/44/84 [Preliminary]
Figure 23-20. I/O pin Output Voltage vs. Sink Current (V
Figure 23-21. I/O Pin Output Voltage vs. Source Current (V
0.7
0.6
0.5
0.4
0.3
0.2
0.1
3.5
2.5
1.5
0
3
2
0
0
2
2
4
4
I/O P IN OUTP UT VOLTAGE vs . S OURCE CURRENT
I/O P IN OUTP UT VOLTAGE vs . S INK CURRENT
6
6
LOW POWER PINS - Vcc = 5.0V
LOW POWER PINS @ vcc = 3V
8
8
I
I
OL
OH
10
10
(mA)
(mA)
12
12
CC
= 5V)
CC
14
14
= 3V)
16
16
18
18
7701E–AVR–02/11
20
20
125 ˚C
85 ˚C
25 ˚C
-45 ˚C
-45 ˚C
25 ˚C
85 ˚C
125 ˚C
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