Product category:
Microprocessors, Microcontrollers and DSPs
News Release from: Fujitsu Microelectronics Europe | Subject: MB91F312
Edited by the Electronicstalk Editorial
Team on 14 July 2003
Microcontroller controls on-screen
displays
A new 32bit RISC microcontroller controls character displays for television screens and monitors, including CRTs, LCDs and plasma display panels.
A new 32bit RISC microcontroller controls character displays for television screens and monitors, including CRTs, LCDs and plasma display panels The new MCU, the MB91F312, is embedded with both a high-resolution onscreen display controller (OSDC) and a universal serial bus (USB) host interface, enabling customers to deliver high-resolution, high-performance home theatre systems
This article was originally published on Electronicstalk on 16 Feb 2001 at 8.00am (UK)
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With the evolution of television screens in ever-larger sizes, there has been a growing need for OSDCs capable of displaying information from peripheral systems, such as TV display modes or DVD players, with progressively higher quality and colourful expression.
The devices also need to be equipped with a comprehensive communications interface that allows audio/video equipment to be connected to a TV set.
To accommodate these demands, Fujitsu developed the MB91F312, which is equipped with both a high-resolution OSDC and USB host and operates at speeds of 40MHz.
This microcontroller enables high-speed processing of character displays in high-resolution TVs, and also enables a USB mouse or keyboard to be directly connected to a TV or set-top box.
With a maximum clock frequency of 40MHz, offering the ability to process 52 MIPS, the MB91F312 MCU can handle the enormous processing resources required.
With a wide display field of 42 characters by16 lines and a font resolution of 24 x 32 dots per character, even large-screen TVs can display characters in crystal-clear resolution without needing to use enlarged font sizes.
With a bountiful collection of fonts to choose from, this product offers greater flexibility in font design.
Even multicoloured font designs can be used in menu displays.
The product is equipped with a USB macro that has host functions for USB communications.
Thus, a set-top box running on this MCU will be able to connect and control peripherals, such as a USB mouse or keyboard, on its own.
In addition, connecting a USB printer to the embedded system would enable print outs of the display screen. Request a free brochure from Fujitsu Microelectronics Europe ...
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