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ATmega2560

Availability: Sampling

Deviceimage

Summary

256-Kbyte self-programming Flash Program Memory, 8-Kbyte SRAM, 4-KByte EEPROM, 16 Channel 10-bit A/D-converter. JTAG interface for on-chip-debug. Up to 16 MIPS throughput at 16 MHz. 1.8 - 5.5 Volt Operation.
64KB/100-pin version: ATmega640
128KB/64-pin version: ATmega1281
128KB/100-pin version: ATmega1280
256KB/64-pin version: ATmega2561

Overview features

Flash EEPROM SRAM Speed Volts
256kB 4096B 8192B 0 - 16MHz 2.7 - 5.5V

Files

Packages

General package info

  100-lead TQFP
Package Lead Code 100
Carrier Type TRAY
Max Package Height 1.2
Body Thickness 1
Body Width 14
Body Length 14
JEDEC MSL 3
Units per Carrier 90
Carriers per Bag 10
Units per Bag 900
Quantity per Reel 1500
Tape Pitch 20
Tape Width 24
Downloadable Files pdf Package Drawing
pdf Tube Tray Drawing
pdf Carrier Tape Drawing
pdf Reel Drawing
Other features Tools
Memory
Flash Memory 256 kB
EEPROM Data Memory 4096 B
SRAM Data Memory 8192 B
General Purpose Registers (Accumulators) 32
External data memory interface (64kB) Yes
MCU Specific
Clock Frequency 0 - 16 MHz
Supply Voltage 2.7 - 5.5 V
Sleep Modes 6
Hardware Multiplier Yes
I/O Pins 86
On Chip Oscillator Yes
Interrupts 57
Interrupts, External pins 32
Interrupt or Wake-up on Pin Change Yes
Brown-out Detection Yes
Power-on Reset Yes
Fully Static Operation Yes
On-Chip Debug support via JTAG port Yes
IEEE 1149.1 (JTAG) Boundary Scan Yes
Timers / Counters
Timer/Counters (8-bit) 2
Watchdog Timer with On-chip Oscillator Y (extended)
Real Time Counter Yes
Timer/Counters (16-bit) 4
Pulse Width Modulator 16 ch
Analog I/O
Analog Comparator Yes
Analog-to-Digital Converter (10-bit) 16 ch
Analog Gain Stage 2 ch
Programming Modes
In-System Programming via SPI Port Yes
High Voltage Parallel Programming (12V) Yes
Self-Programming via on-chip Boot Program Yes
In-System Programming via JTAG port Yes
Serial I/O
Full Duplex Serial Peripheral Interface (SPI) Yes
2-wire Serial Interface (I2C compatible) Yes
Full Duplex USART 4
Self-Programming
Read-While-Write Flash memory Yes
Fuses
EEPROM preserved through chip erase Yes
Divide external clock by 8 Yes
System Clock Prescaler Yes