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ST expands SPEAr SoC family

Posted: 27 Oct 2005 ?? ?Print Version ?Bookmark and Share

Keywords:stmicroelectronics? st? spear head? structured processor enhanced architecture? system-on-chip?

ST's new SPEAr family of <a href=socs" ALIGN="RIGHT">

The new member of STMicroelectronics' SPEAr (Structured Processor Enhanced Architecture) family of configurable System-on-Chip (SoC) ICs integrates an advanced ARM926EJ-S core running at 266MHz, a complete set of IP (intellectual property) blocks and a configurable logic block that allows an incomparable level of flexibility in high-complexity system implementation.

According to the press release, the new SPEAr Head (part number SPEAr-09-H020) makes it possible to achieve extremely fast customization of critical functions in a fraction of the time and cost required by a full-custom design approach. "Specific IP, such as a dithered PLL; special I/Os to minimize on-board reflections; automatically reconfigurable DDR/SDRAM interface; and a distributed DMA architecture make this chip unique in the market," said Vittorio Peduto, GM of ST's computer systems division.

The new device includes an ARM926EJ-S running at 266MHz with 32KB of Instruction cache, 16KB of Data cache, 8KB Data-TCM (Tightly Coupled Memory) and 8KB Instruction-TCM, and three USB2.0 ports (two hosts and one device supporting high speed mode); an Ethernet 10/100 MAC; a 16-channel 8bit analog-to-digital; an I?C interface; three UARTs; SDRAM memory interfaces at 133MHz supporting DDR and SDR; SPI interface supporting serial FLASH/ROM; one full USB-dedicated PLL and one dithered system PLL; and 200-kgate (ASIC equivalent) of configurable logic connected to four banks of 4KB SRAM each. A Real Time Clock, Watchdog and four general-purpose timers complete the SoC structure. Additionally, the device supports a wide range of OSes, including Linux, Nucleus, uItron and Vxworks.

Samples of SPEAr Head are already available, with pricing in the range of $12 in volume quantities. Full development boards will be shipped in December 2005.




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