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ST DEBUTS FLASH MEMORY MICROCONTROLLER CHIP W/FLASH PROTECTION.

STMicroelectronics has debuted a new Flash microcontroller chip that includes features to protect the embedded Flash memory from code read-out or system errors, such as a loss of clock signal. Called ST10F168, the new chip integrates the ST10 16-bit microcontroller core, peripherals selected specifically for the automotive market, 256kbytes of internal Flash memory, 2Kbytes of dual port RAM and 6Kbytes of normal RAM. Clocked at 25MHz, it executes speed critical routines from the embedded Flash memory, so instructions typically execute in less than 80ns.

Compared to previous ST10 Flash microcontrollers, the most important new feature is the addition of dedicated firmware called STEAK (ST Embedded Application Kernel), which manages the Flash memory programming to ensure reliable programming and erasing plus protection against system errors. Moreover, it includes protection against unauthorized access to the embedded software. The STEAK firmware is located in a system area of memory and does not occupy any of the memory space provided for user firmware.

Flash memory in the ST10F168 allows 1000 programming cycles for each of the four embedded Flash memory banks and assures a data retention of at least 10 years. ST has already delivered to customers in the automotive and data storage industries more than seven million Flash memory microcontrollers, which is more than any other company.

Peripheral blocks integrated in the ST10F168 include a CAN interface, 32-channel capture and compare unit, five 16-bit timers, 16 channels of 10-bit analog-digital converters with a conversion rate down to 7.76us, a four channel pulse-width modulation unit, an asynchronous communications channel, synchronous communication channel, 56 interrupt sources with a sample rate down to 40ns, eight channel peripheral event controlled interrupts transferring data within one CPU cycle, an on-chip bootstrap loader, an idle mode and two powerdown modes.

Samples of the ST10F168 are available now and volume production has already started. A third-party evaluation board is available from Forth Systems (www.fsforth.de) with the option of a socket-mounted or soldered microcontroller. An on-board charge pump supplies the programming voltage for the Flash programming and a footprint is provided for emulator connection. The board ships with demo versions of compilers and debug software from several third party vendors plus self-training files and software for programming and erasing the embedded Flash memory.

About STMicroelectronics

STMicroelectronics (formerly SGS-THOMSON Microelectronics) is a global independent semiconductor company, whose shares are traded on the New York Stock Exchange, on the ParisBourse and on the Milan Stock Exchange. The company designs, develops, manufactures and markets a broad range of semiconductor integrated circuits (ICs) and discrete devices used in a wide variety of microelectronic applications, including telecommunications systems, computer systems, consumer products, automotive products and industrial automation and control systems. In 1999, the Company's net revenues were $5.056 billion and net earnings were $547 million.

STMicroelectronics can be found on the World Wide Web at www.st.com.

For more information, call +33 4 5040 2478 or 602/485-2061.
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Title Annotation:STMicroelectronics ST10F168
Publication:Electro Manufacturing
Article Type:Product Announcement
Date:May 1, 2000
Words:487
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