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Atmel MCUs offer on-chip debug capability

Posted: 22 Sep 2003 ?? ?Print Version ?Bookmark and Share

Keywords:atmel? tinyavr? flash microcontroller? mcu? tiny13?

Atmel Corp. has announced two new members of its tinyAVR Flash microcontroller (MCU) family with on-chip debug capability. The tiny13 and tiny2313 are designed to address the requirements of battery operated and portable applications by offering low power consumption and a high level of system integration in a small package.

The AVR devices combine a code efficient MCU with low power Flash memory technology. The debugWIRE interface enables On-Chip Debug, a feature usually available only on much larger devices. The debugWIRE uses the Reset line for electrical connection so that the system designer does not have to sacrifice I/O capabilities to take full advantage of the On-Chip-Debug system. The debugWIRE and the AVR Studio user interface give the designer complete control of the microcontroller resources, helping to reduce development time by making debugging easier. It enables on chip debug of 8-bit MCU devices in small pin count packages.

The two devices feature a Brown-Out Detector that removes an external component from the system, and an On-Chip Calibrated RC oscillator that may eliminate the external crystal or resonator.

Typical power consumption at 1MHz, 1.8V is <300?A, at 32kHz <20?A. Self Programmable Flash lets the AVR write to its own program memory, enabling remote updates of the program and parameter storage in the flash memory. The tiny13 and tiny2313 can run at clock speeds up to 16MHz at 5V.

The tiny13 and tiny2313 are available for 70 cents and 99 cents, respectively for 10,000-unit quantities. Evaluation tools are also available. The STK500 starter kit, priced at $79, contains all the necessary hardware to evaluate programs and test the capabilities of the MCUs.

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