Overview
The ATMEGA2561-16AU is a high-performance, 8-bit AVR microcontroller produced by Microchip Technology. This device is part of the ATmega2561 series and is known for its robust feature set and versatility. It executes powerful instructions in a single clock cycle, achieving a throughput approaching one MIPS per MHz, which balances power consumption and processing speed effectively.
Key Specifications
| Specification | Value |
|---|---|
| Microcontroller Type | 8-bit AVR |
| Flash Memory | 256 Kbytes (In-System Programmable with Read-While-Write capabilities) |
| EEPROM | 4 Kbytes |
| SRAM | 8 Kbytes |
| General Purpose I/O Lines | 54/86 |
| Timer/Counters | Six flexible Timer/Counters with compare modes and PWM |
| USARTs | Four |
| ADC | 16-channel, 10-bit with optional differential input stage and programmable gain |
| Operating Frequency | 0 - 16 MHz @ 4.5V - 5.5V |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | TQFP (14x14x1mm) |
| Lead Count | 64 |
| Soldering Composition | Matte Tin |
Key Features
- Real Time Counter (RTC)
- Byte-oriented 2-wire Serial Interface
- SPI serial port
- IEEE std. 1149.1 compliant JTAG test interface for accessing the On-chip Debug system and programming
- Programmable Watchdog Timer with Internal Oscillator
- Six software selectable power saving modes, including Idle mode that stops the CPU while allowing SRAM, Timer/Counters, SPI port, and interrupt system to continue functioning
- Halide free and fully Green compliant
Applications
The ATMEGA2561-16AU is suitable for a wide range of applications, including but not limited to:
- Industrial automation and control systems
- Consumer electronics such as home appliances and remote controls
- Automotive systems, including dashboard and body control modules
- Medical devices requiring precise control and monitoring
- Wireless and wired communication devices
- Smart home and IoT devices
Q & A
- What is the operating frequency range of the ATMEGA2561-16AU?
The operating frequency range is 0 - 16 MHz @ 4.5V - 5.5V. - How much flash memory does the ATMEGA2561-16AU have?
The device has 256 Kbytes of In-System Programmable Flash memory. - What is the package type and lead count of the ATMEGA2561-16AU?
The package type is TQFP with 64 leads. - What are the key power saving features of the ATMEGA2561-16AU?
The device has six software selectable power saving modes, including Idle mode. - Does the ATMEGA2561-16AU support JTAG for debugging?
Yes, it supports IEEE std. 1149.1 compliant JTAG test interface for accessing the On-chip Debug system and programming. - What is the operating temperature range of the ATMEGA2561-16AU?
The operating temperature range is -40°C to +85°C. - How many USARTs does the ATMEGA2561-16AU have?
The device has four USARTs. - What type of ADC does the ATMEGA2561-16AU feature?
The device features a 16-channel, 10-bit ADC with optional differential input stage and programmable gain. - Is the ATMEGA2561-16AU RoHS compliant?
Yes, the device is RoHS compliant and halide free. - What is the SRAM and EEPROM capacity of the ATMEGA2561-16AU?
The device has 8 Kbytes of SRAM and 4 Kbytes of EEPROM.
