Product category:
Microprocessors, Microcontrollers and DSPs
News Release from: Toshiba Electronics Europe | Subject: TMP86FS27FG/DFG
Edited by the Electronicstalk Editorial
Team on 05 September 2005
MCU combines Flash, LCD drive and IGBT
control
Toshiba Electronics Europe has extended its range of high-performance 8bit CMOS microcontrollers with a device that combines Flash memory, on-chip LCD driver and IGBT control timer.
Toshiba Electronics Europe has extended its range of high-performance 8bit CMOS microcontrollers with a device that combines Flash memory, on-chip LCD driver and IGBT control timer The TMP86FS27FG/DFG device's combination of peripherals suits it for a range of applications that require power control with an LCD-based user interface: for instance uninterruptible power supplies; servo controls and inductive heater drivers in domestic appliances; and welding equipment
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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The use of a large 60Kbyte on-chip Flash memory allows designers to create multiple product variations via straightforward software changes and to use the device in end equipment that may need field upgrades: for instance when standards change in the communications industry.
In addition, the TMP86FS27FG/DFG can be used as a development platform, before the engineering team commits the design to the pin- and function-compatible mask-programmed equivalent, the TMP86CM27/P27, for mass production at the lowest possible cost.
In addition to its 40 x 4 LCD controller and 10bit IGBT-targeted timer/counter, the device includes key peripherals such as watchdog and timebase timers, real-time counter, eight-channel 10bit successive approximation A/D convertor, and serial I/O via UART or SEI.
Eight of the TMP86FS27FG/DFG's 55 I/O pins accommodate high drive currents of up to 20mA, allowing direct driving of LEDs.
The TMP86FS27FG/DFG is based on Toshiba's TLCS-870/C core, which achieves low power consumption by operating at voltages as low as 2.7V at 8MHz, and 4.5V at 16MHz.
The device's wide operating voltage range is augmented by a four-channel key-on wake-up function which allows it to be activated in an appropriate fashion from any of its nine low-power states: these consist of three idle modes; a slow mode; two sleep modes; and a stop mode.
The TMP86FS27FG/DFG can deal with up to 20 interrupt sources: seven external and 13 internal.
Four of the internal interrupts are nonmaskable.
The TMP86FS27FG/DFG is equipped with a 2Kbyte EPROM containing a loader program that enables the Flash memory to be written via the on-chip UART.
This procedure, as well as RAM loader, checksum and product verification operations, is only possible after the user has forced the device into a special programming mode, under hardware control.
The TMP86FP24F is available in 80-pin P-QFP.
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