Product category:
Communications ICs (Wired)
News Release from: STMicroelectronics | Subject: ST7FLITEU0 microcontrollers
Edited by the Electronicstalk Editorial
Team on 11 May 2007
Tiny microcontroller handles high
temperatures
The ST7FLITEU0 8-pin microcontroller adds memory and features to STMicroelectronics' ST7 UltraLite family.
STMicroelectronics has completed its ST7 UltraLite family of tiny 8-pin microcontrollers with the introduction of the ST7FLITEU0 series, which adds more memory and valuable system features to the rich peripheral set of the existing devices Its availability in 8-pin SO, DIP and 0.9mm-thick DFN packages, with temperature qualification up to 125C, makes the new series an ideal choice for HVAC, home appliance, lighting control and power-tool markets
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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With a 2Kbyte Flash program memory, twice as large as previous devices, and 128byte of data EEPROM, the tiny devices have a significantly larger software capacity.
In addition they include a trimmable 8MHz RC oscillator, with prescaler ratios down to 500kHz, and a very stable and accurate low-voltage and auxiliary voltage detector.
The very small 8-pin MCUs target simple motor drives and include features such as an embedded 12-bit auto-reload timer, operating over a 2kHz to 4MHz range, which can generate four independent PWM (pulse width modulated) signals, with an output compare function.
The timer also includes programmable dead time generation for the half-bridge driving mode in which PWM signals must not be allowed to overlap, plus programmable duty cycles, polarity control and programmable output modes.
Other key system peripherals are an 8-bit Lite timer with prescaler, watchdog, real-time base and input capture; and a very fast, five-channel, 10-bit ADC with 3.5us overall conversion time, the fastest in the 8-bit MCU market.
Five power saving modes offer the designer the high flexibility to minimise the overall power consumption in power-critical applications.
Development support is available through a complete set of hardware and software tool chains from ST and from third parties.
The inexpensive tools will enable developers to rapidly and efficiently create, build and debug low-cost MCU-based systems.
These tools, which also provide an excellent introduction for new users to the ST7 development environment, integrate easily with the free ST7 C compiler from Cosmic, and are supported by ST's free STVD7 Software integrated development environment.
Samples of the 8-pin ST7FLITEU0 are available now in SO8, DIP8, DFN8 and DIP16 (for sampling only) packages, with the development tools.
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