New 64-Bit RISC Microprocessor From Toshiba Consumes Only 0.6W Power At Maximum 300MHz Operating Frequency
SAN JOSE, Calif., December 11, 2002 -- Toshiba America Electronic Components, Inc. (TAEC)* today announced a new member of its TX49 family of MIPS-based reduced instruction set computer (RISC) microprocessors (MPUs). The new 64-bit MPU, designated TMPR4955BFG-300, is based on the Toshiba Corporation (Toshiba) TX49/H3 core and is fabricated with 0.13-micron complementary metal oxide semiconductor (CMOS) process technology. Power consumption is only 0.6 watt (W) when operating at its maximum frequency of 300 megahertz (MHz), the lowest power consumption of any processor in this product category. Running 1.5 times faster than the previous generation 200MHz product and utilizing a 32-bit SysAD bus, it is targeted at embedded applications such as color laser printers, high-performance set top boxes and networking devices that handle large amounts of graphics data.
"Toshiba continues to migrate its standard 64-bit MIPS RISC processors to higher and higher frequencies for applications that require higher CPU performance and greater system interface flexibility," said Farhad Mafie, vice president of the ASSP Business Unit at TAEC. "By choosing the TMPR4955BFG-300 processor, system architects gain the freedom to either use off-the-shelf SysAD-compatible chipsets to save development time or develop their own specific solutions around the SysAD bus with greater customization."
According to Tetsuro Wada, platform development director of the ASSP Business Unit at TAEC, "Toshiba's 300MHz TMPR4955BFG-300 64-bit RISC processor with its built-in IEEE754-compatible floating point unit (FPU), 32 kilobytes (K-bytes) 4-way set-associative instruction and data caches and 32-bit SysAD interface bus is well positioned for embedded systems that use standard SysAD bus-compatible off-the-shelf chipsets for various system interfaces."
Key Features:
Key features of the microprocessor are as follows:
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Pricing and Availability:
Samples of TMPR4955BFG-300 are now available at $15.00 per piece in 100-piece quantities.
Technical Specification Summary:
Part Number | TMPR4955BFG-300 |
Process | 0.13-micron process, 6-layer copper wire |
Operating Power Voltage | 1.5 Volts (V) internal power, 3.3V external power |
Maximum Operating Frequency | 300MHz internal, 133MHz external |
On-Chip Cache | Instruction Cache: 32K-bytes, 4-way associative |
Memory | Data Cache: 32K-bytes, 4-way associative |
Memory Management Unit | On-chip translation-look-aside buffer, 48-double-entry |
Floating Point Unit | Single- or double-precision floating point operation |
Debugging Support Unit | EJTAG support |
Package | Plastic QFP160 lead-free package |
*About TAEC
Combining quality and flexibility with design engineering expertise, TAEC brings a breadth of advanced, next-generation technologies to its customers. This broad offering includes semiconductors, flash memory-based storage solutions, optical communication devices, displays and rechargeable batteries for the computing, wireless, networking, automotive and digital consumer markets.
TAEC is an independent operating company owned by Toshiba America, Inc., a subsidiary of Toshiba, the second largest semiconductor company worldwide in terms of global sales for the year 2001 according to Gartner/Dataquest's Worldwide Semiconductor Market Share Ranking. Toshiba is a world leader in high-technology products with more than 300 major subsidiaries and affiliates worldwide. For additional company and product information, please visit TAEC's website at chips.toshiba.com. For technical inquiries, please e-mail Tech.Questions@taec.toshiba.com.
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