ATmega644P Automotive Atmel Corporation, ATmega644P Automotive Datasheet - Page 223
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
22 Electrical Characteristics ................................................................. 178
23 Typical Characteristics – Preliminary Data ..................................... 187
24 Register Summary ............................................................................. 210
25 Instruction Set Summary .................................................................. 212
26 Ordering Information ........................................................................ 214
27 Packaging Information ...................................................................... 215
28 Errata .................................................................................................. 217
22.1
22.2
22.3
22.4
22.5
22.6
22.7
23.1
23.2
23.3
23.4
23.5
23.6
23.7
23.8
23.9
23.10
23.11
26.1
27.1
27.2
28.1
28.2
28.3
Absolute Maximum Ratings ........................................................................178
Speed Grades ............................................................................................179
Clock Characterizations .............................................................................180
System and Reset Characterizations .........................................................181
ADC Characteristics – Preliminary Data ....................................................182
Serial Programming Characteristics ...........................................................184
High-voltage Serial Programming Characteristics ......................................186
Active Supply Current ................................................................................187
Idle Supply Current ....................................................................................191
Supply Current of IO modules ....................................................................194
Power-down Supply Current ......................................................................194
Pin Pull-up ..................................................................................................195
Pin Driver Strength .....................................................................................197
Pin Threshold and Hysteresis ....................................................................199
BOD Threshold and Analog Comparator Offset .........................................202
Internal Oscillator Speed ............................................................................204
Current Consumption of Peripheral Units ...................................................206
Current Consumption in Reset and Reset Pulse width ..............................208
ATtiny24/44/84 ...........................................................................................214
PC ..............................................................................................................215
TU ..............................................................................................................216
ATtiny24 Automotive ..................................................................................217
ATtiny44 Automotive ..................................................................................217
ATtiny84 Automotive ..................................................................................217
Atmel ATtiny24/44/84 [Preliminary]
223
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