Overview
The ATmega16-16AU is a high-performance, low-power 8-bit microcontroller from Microchip Technology, based on the AVR enhanced RISC architecture. This microcontroller is designed to provide a highly flexible and cost-effective solution for various embedded control applications. It features a powerful instruction set that allows for single-clock cycle execution of most instructions, resulting in throughputs approaching 1 MIPS per MHz. This architecture enables system designers to optimize power consumption versus processing speed effectively.
Key Specifications
| Specification | Value |
|---|---|
| Program Memory | 16 Kbytes In-System Programmable Flash |
| EEPROM | 512 bytes |
| SRAM | 1 Kbyte |
| General Purpose I/O Lines | 32 |
| General Purpose Working Registers | 32 |
| Operating Voltage | 4.5V - 5.5V |
| Speed Grades | 0 - 16 MHz |
| Package Types | 40-pin PDIP, 44-lead TQFP, 44-pad QFN/MLF |
| Power Consumption (Active, 1 MHz, 3V, 25°C) | 1.1 mA |
| Power Consumption (Idle Mode, 1 MHz, 3V, 25°C) | 0.35 mA |
| Power Consumption (Power-down Mode) | < 1 µA |
Key Features
- Advanced RISC Architecture with 131 powerful instructions and most single-clock cycle execution.
- High Endurance Non-volatile Memory: 16 Kbytes of In-System Self-programmable Flash, 512 bytes EEPROM, and 1 Kbyte Internal SRAM.
- Programmable Serial USART and Master/Slave SPI Serial Interface.
- Programmable Watchdog Timer with Separate On-chip Oscillator.
- On-chip Analog Comparator and Internal Calibrated RC Oscillator.
- Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby.
- Power-on Reset and Programmable Brown-out Detection.
- Internal and External Interrupt Sources.
- JTAG interface for Boundary-scan, On-chip Debugging support, and programming.
Applications
The ATmega16 is suitable for a wide range of embedded control applications, including but not limited to:
- Industrial Automation
- Consumer Electronics
- Automotive Systems
- Medical Devices
- Wireless and Wired Communication Systems
- Robotics and IoT Devices
Q & A
- What is the program memory capacity of the ATmega16?
The ATmega16 has 16 Kbytes of In-System Programmable Flash program memory. - What are the operating voltage ranges for the ATmega16?
The ATmega16 operates within the voltage range of 4.5V to 5.5V. - What are the package options available for the ATmega16?
The ATmega16 is available in 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF packages. - What is the maximum speed grade for the ATmega16?
The ATmega16 can operate up to 16 MHz. - Does the ATmega16 support in-system programming?
Yes, the ATmega16 supports In-System Programming by an on-chip Boot Program and True Read-While-Write Operation. - What are the power consumption levels for the ATmega16 in different modes?
The power consumption is approximately 1.1 mA in active mode, 0.35 mA in idle mode, and less than 1 µA in power-down mode at 1 MHz, 3V, and 25°C. - Does the ATmega16 have built-in serial communication interfaces?
Yes, it includes a programmable Serial USART and a Master/Slave SPI Serial Interface. - What kind of memory does the ATmega16 have besides Flash?
Besides Flash, the ATmega16 has 512 bytes of EEPROM and 1 Kbyte of Internal SRAM. - Are there any sleep modes available on the ATmega16?
Yes, the ATmega16 has six sleep modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby. - Does the ATmega16 support JTAG for debugging?
Yes, the ATmega16 supports JTAG for Boundary-scan, On-chip Debugging, and programming.
