A000047 Arduino, A000047 Datasheet - Page 436
A000047
Manufacturer Part Number
A000047
Description
MCU, MPU & DSP Development Tools Mega2560
Manufacturer
Arduino
Series
-r
Type
MCUr
Specifications of A000047
Processor To Be Evaluated
ATmega2560
Interface Type
USB, I2C, SPI
Dimensions
4 in x 2.1 in
Operating Supply Voltage
5 V
Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega2560
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- Download datasheet (10Mb)
Table of Contents
2549M–AVR–09/10
1
2
3
4
5
6
7
8
9
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 5
Resources ............................................................................................... 11
About Code Examples ........................................................................... 11
Data Retention ........................................................................................ 11
AVR CPU Core ........................................................................................ 12
AVR Memories ........................................................................................ 21
External Memory Interface .................................................................... 28
System Clock and Clock Options ......................................................... 40
2.1
2.2
2.3
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
7.1
7.2
7.3
7.4
8.1
8.2
8.3
8.4
9.1
9.2
Block Diagram ...................................................................................................5
Comparison Between ATmega1281/2561 and ATmega640/1280/2560 ...........7
Pin Descriptions .................................................................................................7
Introduction ......................................................................................................12
Architectural Overview .....................................................................................12
ALU – Arithmetic Logic Unit .............................................................................13
Status Register ................................................................................................14
General Purpose Register File ........................................................................15
Stack Pointer ...................................................................................................16
Instruction Execution Timing ...........................................................................17
Reset and Interrupt Handling ...........................................................................18
In-System Reprogrammable Flash Program Memory .....................................21
SRAM Data Memory ........................................................................................21
EEPROM Data Memory ..................................................................................23
I/O Memory ......................................................................................................27
Overview ..........................................................................................................28
Register Description ........................................................................................35
General Purpose registers ...............................................................................37
External Memory registers ...............................................................................37
Overview ..........................................................................................................40
Clock Systems and their Distribution ...............................................................40
ATmega640/1280/1281/2560/2561
i
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