ATMEGA324P-15MZ Atmel, ATMEGA324P-15MZ Datasheet - Page 369
![MCU AVR 32K FLASH 15MHZ 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA324P-15MZ
Manufacturer Part Number
ATMEGA324P-15MZ
Description
MCU AVR 32K FLASH 15MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA324P-15MZ
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-VQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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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