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STMicro rolls out 8bit MCUs for automotive apps

Posted: 26 Sep 2006 ?? ?Print Version ?Bookmark and Share

Keywords:ST? STMicro? ST7FL? MCUs? microcontrollers?

ST's new ST7FL 8bit MCUs

STMicroelectronics (ST) launched a new family of 8bit MCUs designed for cost-sensitive car body applications, including wipers, climate control, door locking, sunroof and window lift.

Based on the company's ST7 architecture, the ST7FL MCU includes an EEPROM memory bank of from 1.5- to 8Kbytes to store configuration parameters with a high level of reliability, thus eliminating the need for external devices, minimizing wiring complexity, and reducing the PCB area. The contents of the programmable memory can be secured against unauthorized copying by activating a read-out protection mechanism. The MCU also has an internal RC oscillator.

Some devices within the family add embedded peripherals such as a Local Interconnect Network Serial Communication Interface (LINSCITM), which enables the smooth implementation of small and cost-effective Local Interconnect Network (LIN) solutions in the automotive sector. The LIN interface, with its auto-synchronization feature, is able to work using an internal RC oscillator as a clock source, thus reducing the need for external components.

With an extensive range of development utilities, including automotive evaluation kit for networking, starter kits, SW drivers for easy LIN implementation, ST says the family enables a very short time-to-market. Additionally, the in-circuit programming capability of single-voltage Flash technology allows devices to be programmed rapidly at the end of the assembly line, ensuring flexible stock management for end users.

Offered in the 16-pin SO16, 20-pin SO20 and QFN20 Pb-free packages, the ST7FL family fully meets the automotive standards for quality. In production now, in 10,000-unit quantities, the ST7FL39, ST7FL19 and ST7FL09 cost $1, 85 cents and 70 cents, respectively.

- Marty Gold

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