ATmega324PA Atmel Corporation, ATmega324PA Datasheet - Page 576
ATmega324PA
Manufacturer Part Number
ATmega324PA
Description
Manufacturer
Atmel Corporation
Specifications of ATmega324PA
Flash (kbytes)
32 Kbytes
Pin Count
44
Max. Operating Frequency
20 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 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega324PA-AU
Manufacturer:
ATM
Quantity:
5 000
Company:
Part Number:
ATmega324PA-AU
Manufacturer:
ATMEL
Quantity:
2 089
Company:
Part Number:
ATmega324PA-MU
Manufacturer:
ATMEL
Quantity:
9 985
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Table of Contents
8272C–AVR–06/11
1
2
3
4
5
6
7
8
9
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 5
Resources ................................................................................................. 9
About Code Examples ............................................................................. 9
Data Retention .......................................................................................... 9
Capacitive touch sensing ........................................................................ 9
AVR CPU Core ........................................................................................ 10
AVR Memories ........................................................................................ 19
System Clock and Clock Options ......................................................... 30
1.1Pinout - PDIP/TQFP/VQFN/QFN/MLF for
1.2Pinout - DRQFN for ATmega164A/164PA/324A/324PA ...........................................3
1.3Pinout - VFBGA for ATmega164A/164PA/324A/324PA ............................................4
2.1Block Diagram ...........................................................................................................5
2.2Comparison Between ATmega164A, ATmega164PA, ATmega324A, ATmega324PA,
2.3Pin Descriptions ........................................................................................................7
7.1Overview .................................................................................................................10
7.2ALU – Arithmetic Logic Unit ....................................................................................11
7.3Status Register ........................................................................................................11
7.4General Purpose Register File ................................................................................13
7.5Stack Pointer ...........................................................................................................14
7.6Instruction Execution Timing ...................................................................................15
7.7Reset and Interrupt Handling ..................................................................................16
8.1Overview .................................................................................................................19
8.2In-System Reprogrammable Flash Program Memory .............................................19
8.3SRAM Data Memory ...............................................................................................20
8.4EEPROM Data Memory ..........................................................................................22
8.5I/O Memory ..............................................................................................................23
8.6Register Description ................................................................................................24
9.1Clock Systems and their Distribution .......................................................................30
ATmega164A/PA/324A/PA/644A/PA/1284/P
ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P 2
ATmega644A, ATmega644PA, ATmega1284 and ATmega1284P 7
i
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