Low-power DSPs and design tools maximize battery life

Fuller, Meghan
July 2004
Portable Design;Jul2004, Vol. 10 Issue 7, p35
Texas Instruments unveiled a trio of low-power digital signal processors (DSP) together with the eXpress DSP Power Design Tools software that enable developers to optimize power consumption in mobile devices. The TMS320C5503 is optimized for portable biometric or medical devices and handheld wireless applications, while the TMS320C5507 targets applications like wireless gateways, voice over Internet Protocol, Global Positioning System, and wireless speakerphones. The TMS320C5509 is designed for media-rich devices like MP3 audio jukeboxes and infotainment devices. Standard computer peripherals for all three DSPs include three multichannel buffer serial ports, three timers, a six-channel DMA, a 16-bit external memory interface, 16-bit enhanced host port interface, and 36 general-purpose I/O ports.


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