Texas Instruments' MS320C6416™ DSP core operates at speeds up to 600 MHz. Coupled with tailored coprocessors and peripherals, a tenfold gain in DSP performance for wireless infrastructure applications is possible.
Aimed at 3G (third-generation) wireless basestation applications, the C6416 integrates two coprocessors for key algorithms: a Turbo coprocessor performs decoding of wireless data channels; and a Viterbi coprocessor convolutionally decodes wireless voice channels. The coprocessors are vital elements due to the widespread use of the algorithms.
The processor/coprocessor combination allows a single C6416 device to support more than 300 voice channels at 12.2 kbit/sec and 35 data channels at 384 kbit/sec. The C4616 is part of a new three-chip family "fully code compatible with existing TMS320C6000™ products and offering scalable performance to more than 1.1 GHz," says Nat Seshan, senior member of TI's technical staff. He notes that the C6414 member of the product family "uses general-purpose interfaces to meet the needs of industrial applications—many of which utilize proprietary system buses which connect cleanly to the mix of general-purpose parallel and serial interfaces on the C6414."
Regarding the utility of the Turbo and Viterbi coprocessors, Seshan highlights, "Customers can select the particular coder that they wish to implement by passing parameters to the coprocessor. Thus, the C6416 provides flexibility, and performance, needed for these [3G wireless] applications."
Additional Details...Texas Instruments, Box 954, Santa Clara, CA 91380; Tel: (800) 477-8924 x4500; www.ti.com, or Enter 646.