A complete evaluation and development package for the tiny 8-pin versions of STMicroelectronics′ ST7Lite microcontroller family has been released. The ST7Ultralite Primer is a compact USB-powered tool based on the ST7FLITEUS MCU.
It is pre-programmed with a real-world software application designed to demonstrate all of the MCU's main features and peripherals.
The ST7Ultralite Primer extends ST's existing tool line with a complete evaluation and development tool based on a proven tool solution - the Raisonance RIDE and RLink for the ST7, uPSD, STR7 and STR9 families - and has been tailored specifically to the ST7FLITEUS. It is also said to be 'ultra-low-cost.'
The Primer plugs directly into the USB port of a host PC, and includes ST's UltraliteMusic application to highlight features such as the internal RC oscillator, 10-bit ADC, 12-bit auto-reload timer with PWM, and low voltage and auxiliary voltage detectors. This light sensor and buzzer application plays five musical selections; changes in ambient light intensity cause it to step through the tunes. If the Primer is unplugged from the USB port and then reconnected, the music continues from where it left off thanks to the MCU's low voltage detection.
Users can modify UltraliteMusic - for which C source files are provided - and can create new applications using the C compiler and RIDE software toolset included with the kit. The Raisonance uRLink in-circuit debugger and programmer enable users to run, modify and debug application code on the host PC through the USB connection.
The ST7FLITEUS in the 4,5 x 3,5 mm DFN8 package is said to be the smallest 8-pin MCU in the market. Yet, it integrates key system peripherals of the popular and easy-to-use ST7Lite Flash MCU family, and is well-suited for cost-sensitive applications such as security, lighting, power control, small appliances, sensors and simple motor control.
For more information contact Larry Gordon, Arrow Altech Distribution, +27 (0)11 923 9600, lgordon@arrow.altech.co.za
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