ATMEGA2560R231-CU Atmel, ATMEGA2560R231-CU Datasheet - Page 436

• Manufacturer Part Number: ATMEGA2560R231-CU
• Description: BUNDLE ATMEGA2560/RF231 PBGA
• Manufacturer: Atmel

Specifications of ATMEGA2560R231-CU

• Frequency: 2.4GHz
• Modulation Or Protocol: 802.15.4 Zigbee, 6LoWPAN, RF4CE, SP100, WirelessHART™, ISM
• Data Interface: PCB, Surface Mount
• Memory Size: 256kB Flash, 4kB EEPROM, 8kB RAM
• Antenna Connector: PCB, Surface Mount
• Package / Case: 100-CBGA and 32-QFN
• Processor Series: ATMEGA256x
• Core: AVR8
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 256 KB
• Data Ram Size: 8 KB
• Development Tools By Supplier: ATAVRRZ541, ATAVRRAVEN, ATAVRRZRAVEN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Power - Output: -
• Operating Temperature: -
• Applications: -
• Sensitivity: -
• Data Rate - Maximum: -
• Current - Transmitting: -
• Current - Receiving: -
• Lead Free Status / Rohs Status: Details

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
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