Product category:
Microprocessors, Microcontrollers and DSPs
News Release from: Toshiba Electronics Europe | Subject: TMP91FW27UG high-speed 16bit microcontroller
Edited by the Electronicstalk Editorial
Team on 09 April 2007
Microcontroller has SuperFlash code
memory
Flash-based 16bit microcontroller for low-power portable applications.
Toshiba has expanded its series of low-cost SuperFlash-based Flash microcontrollers with a device that integrates a 16bit high-speed, ultra-low-power core, 128Kbyte Flash, 12Kbyte RAM and a variety of peripherals and interfaces in a 64-pin package measuring just 10mm2 The TMP91FW27UG high-speed 16bit microcontroller is intended for use in portable devices and other mid- to high-end applications requiring high-performance, low-power operation
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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Based on Toshiba's ultra-low-power 16bit TLCS-900/L1 processor core, the new device has an onboard micro DMA controller and accommodates external memory expansion for programs and data up to 16Mbyte.
Toshiba's new microcontroller includes a 10bit ADC, an I2C interface, IrDA connectivity and a general-purpose serial interface offering UART and synchronous mode capabilities.
Onboard timer functions comprise a six-channel 8bit timer, a single-channel 16bit timer and a watchdog timer.
In addition to the Flash and RAM, the microcontroller also offers 4Kbyte of mask ROM for booting.
The new device operates at speeds to 27MHz for minimum instruction execution times of 148ns, and will work with input voltages from 2.7 to 3.6V.
Typical power consumption is rated at 13mA in normal mode (3.3V, 27MHz) and just 20uA in slow mode (3.3V, 32kHz).
Further reductions in system power requirements are provided via three different 'halt' modes for flexible configuration of standby operation.
TheTMP91FW27 uses Silicon Storage Technologies' (SST) SuperFlash technology to implement the 128Kbyte low-cost, highly reliable onboard Flash memory.
Toshiba's SuperFlash implementation can be programmed much faster than many alternative Flash technologies, in addition to offering a high level of pre- and post-production flexibility.
This comes in the form of three distinct programming modes known as parallel mode, serial PROM mode, and in system programming (ISP) mode.
ISP mode allows upgrades and fixes in the field under the control of the user program.
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