DSP, Micros & Memory


Highly integrated MCU has embedded programmable logic for wireless infrastructure applications

18 May 2005 DSP, Micros & Memory

STMicroelectronics has disclosed details of a multipurpose microcontroller that targets applications in wireless infrastructure equipment. Under the development name 'GreenFIELD' and part number STW21000, the new chip combines an ARM926EJ-S 330 MIPS RISC processor core, 16 Mbit of on-chip eDRAM memory, an eFPGA (embedded field-programmable gate array) block, and a wide range of analog and digital peripherals.

The GreenFIELD-STW21000 is the second advanced SoC product to be announced by ST's wireless infrastructure division. The 'GreenSIDE' (STW51000) multistandard WCDMA/CDMA2000/TD-SCDMA/EDGE base-band solution was recently announced.

The STW21000 product offers a very high level of flexibility through its programmable ARM core. In addition, the dedicated eFPGA enables a large variety of interfaces to be reprogrammed on the device, therefore protecting customer investments on the platform and maximising the possibility of re-use within multiple applications. It can be used in several different base-station functions such as feed forward and digital pre-distortion radio network controllers, remote control for electrical tilt antennas resulting in easier design and lower overall costs and power.

For more information contact, Simon Churches, Arrow Altech Distribution, +27 (0)11 923 9600, schurches@arrow.altech.co.za



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