Product category:
Microprocessors, Microcontrollers and DSPs
News Release from: Toshiba Electronics Europe | Subject: TMPR4955CFG and TMPR4956CXBG
Edited by the Electronicstalk Editorial
Team on 05 June 2003
64bit RISC processors ramp up the speed
Toshiba's latest 64bit MIPS-based general-purpose RISC processors use a 90nm CMOS process that allows them to operate at twice the speed of their predecessors.
Toshiba's latest 64bit MIPS-based general-purpose RISC processors use a 90nm CMOS process that allows them to operate at twice the speed of their predecessors In addition, a power consumption of only 0.6W at the maximum frequency of 400MHz is currently the lowest power consumption of any processor in this product category
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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The new TMPR4955CFG and TMPR4956CXBG microprocessors operate at internal core voltages of 1.2V, while output voltages are 2.5 or 3.3V.
The TMPR4955CFG features an external 32bit databus, whereas the external databus width of the TMPR4956CXBG is selectable between 32 and 64bit.
Both of the new processors combine Toshiba's new 400MHz TX49/H4 core with a SysAD bus interface scheme that allows customers to use the processors with off-the-shelf chipsets, thus reducing development time.
Existing systems based on the new MPU's predecessors can be as easily upgraded for higher speed without the need to change companion ICs.
Typical applications range from office equipment to consumer electronics.
Toshiba's TX49/H4 core offers a number of advanced features including instruction- and data-cache streaming and optimised five-stage pipeline processing.
A single/double precision FPU and a memory management unit (MMU) are also integrated into the core.
The TMPR4955CFG is supplied in a QFP160 package and the TMPR4956CXBG is offered in a FBGA217 package.
Both processors incorporate a JTAG interface for simplified debugging.
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