ATmega324P Automotive Atmel Corporation, ATmega324P Automotive Datasheet - Page 369
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ATmega324P Automotive
Manufacturer Part Number
ATmega324P Automotive
Description
Manufacturer
Atmel Corporation
Specifications of ATmega324P Automotive
Flash (kbytes)
32 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)
2
Eeprom (bytes)
1024
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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36. Table of Contents
7674F–AVR–09/09
1
2
3
4
5
6
7
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 3
Resources ................................................................................................. 7
About Code Examples ............................................................................. 8
AVR CPU Core .......................................................................................... 9
AVR Memories ........................................................................................ 18
System Clock and Clock Options ......................................................... 29
2.1
2.2
2.3
5.1
5.2
5.3
5.4
5.5
5.6
5.7
6.1
6.2
6.3
6.4
6.5
6.6
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
Block Diagram ...................................................................................................3
Comparison Between ATmega164P, ATmega324P and ATmega644P ...........4
Pin Descriptions .................................................................................................5
Overview ............................................................................................................9
ALU – Arithmetic Logic Unit .............................................................................10
Status Register ................................................................................................11
General Purpose Register File ........................................................................12
Stack Pointer ...................................................................................................13
Instruction Execution Timing ...........................................................................14
Reset and Interrupt Handling ...........................................................................15
Overview ..........................................................................................................18
In-System Reprogrammable Flash Program Memory .....................................18
SRAM Data Memory ........................................................................................19
EEPROM Data Memory ..................................................................................21
I/O Memory ......................................................................................................22
Register Description ........................................................................................23
Clock Systems and their Distribution ...............................................................29
Clock Sources .................................................................................................30
Low Power Crystal Oscillator ...........................................................................32
Full Swing Crystal Oscillator ............................................................................33
Low Frequency Crystal Oscillator ....................................................................34
Calibrated Internal RC Oscillator .....................................................................36
128 kHz Internal Oscillator ..............................................................................37
External Clock .................................................................................................37
ATmega164P/324P/644P
369
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