Datasheet Microchip ATMEGA2561-16MUA0
| Manufacturer | Microchip | 
| Series | ATmega2561 | 
| Part Number | ATMEGA2561-16MUA0 | 
The high-performance, low-power Microchip 8-bit AVR RISC-based microcontroller combines 256KB ISP flash memory, 8KB SRAM, 4KB EEPROM, 86 general purpose I/O lines, 32 general purpose working registers, real time counter, six flexible timer/counters with compare modes, PWM, 4 USARTs, byte oriented 2-wire serial interface, 8-channel 10-bit A/D converter, and a JTAG interface for on-chip debugging
Datasheets
Datasheet ATmega640/V-1280/V-1281/V-2560/V-2561/V - Complete
PDF, 8.8 Mb, File published: Feb 1, 2014, Pages: 435
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash
8-bit Atmel Microcontroller with 16/32/64KB In-System Programmable Flash
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ATmega640/1280/1281/2560/2561 - Summary Datasheet
PDF, 1.0 Mb, File published: Feb 1, 2014
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Status
| Lifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) | 
Packaging
| Package | VQFN | 
| Pins | 64 | 
Parametrics
| # of Comparators | 1 | 
| ADCC with Computation | No | 
| Angular Timer | No | 
| Architecture | 8 | 
| CPU | 8-bit AVR | 
| CRC/Scan | No | 
| EEPROM / HEF | 4096 | 
| High Voltage Capable | No | 
| I2C | 1 | 
| Internal Oscillator | Yes | 
| Internal Voltage Reference | Yes Bandgap | 
| Math Accelerator | No | 
| Max # PWM outputs | 8 including complementary outputs | 
| Max 16 Bit Digital Timers | 4 | 
| Max 8 Bit Digital Timers | 2 | 
| Max A/D Resolution | 10 bits | 
| Max. CPU Speed MHz | 16 | 
| Operating Temperature Range | -40 to +85 °C | 
| Operation Voltage Max.(V) | 5.5 | 
| Operation Voltage Min.(V) | 1.8 | 
| Peripheral Pin Select | No PPS | 
| Pin count | 64 | 
| Program Memory Size | 256 Kbytes | 
| RAM | 8192 bytes | 
| SPI | 3 | 
| Temp. Range Max. | 85 | 
| Temp. Range Min. | -40 | 
| Total # of A/D channels | 8 | 
| UART | 2 | 
| Windowed Watchdog Timer | No WWDT | 
| Zero Cross detect | No | 
Eco Plan
| RoHS | Compliant | 
Other Options
ATmega1280 ATmega1280V ATmega1281 ATmega2560 ATmega2560V ATmega2561V ATmega640 ATmega640V
Model Line
Series: ATmega2561 (9)
Manufacturer's Classification
- Microcontrollers > 8-bit Microcontrollers
Other Names:
ATMEGA256116MUA0, ATMEGA2561 16MUA0