Toshiba puts Juno on the board

Toshiba puts Juno on the boardRichard Ball
A reference design platform for Toshiba’s 32-bit microprocessors will be demonstrated at the Embedded Systems Show next week.
Toshiba has developed a number of microprocessors and microcontrollers based on the MIPS Technologies’ R3000 architectures.
The TX3922 is a 32-bit device, running at 129 or 166MHz, and designed especially for Windows CE applications.
The comprehensive development board, called Juno, includes two important companion chips, said Peter Lieberwirth, senior marketing manager for Toshiba.  
 
The first chip, PLUM2, integrates an LCD/CRT controller along with interfaces for PC Cards, universal serial bus, smart media cards and other I/O busses. The second device, an analogue front end, handles interfaces for keyboard, microphone, speaker and a touchscreen.
Various software blocks are available, including MPEG4, a G.723 voice codec and MP3 audio.
All three will be demonstrated at the Show.
Also available are soft modems. V.90, the 56kbit/s modem standard, uses under 50Mips, around a third, of the processor’s performance, said Lieberwirth.
The board is aimed at developers of products such as Internet music decoders, set-top boxes and Webphones.
A host of device drivers are provided for the Windows CE operating system covering all the PLUM2 and analogue chip hardware blocks.
For lower performance designs, a reference system called ‘Pallas’ is available for use with Toshiba’s TX3912, a 70Mips processor also based on the MIPS R3000 core.


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