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Texas Instruments announces industry's lowest power DSPs, now running at 150 MHz performance

New TMS320C5504/05 ultra-low-power DSPs offer 25 percent higher performance while reducing system cost by more than 20 percent, targeting portable and battery-powered applications

(PresseBox) (Dallas, ) Allowing designers to create energyefficient portable and batterypowered applications at higher levels of performance, Texas Instruments Incorporated (TI) (NYSE: TXN) today announced the availability of TMS320C5504 and TMS320C5505 ultralowpower digital signal processors (DSPs) at 150 MHz, providing 25 percent higher performance than previous C55x devices.

The C5504 and C5505 processors offer the industry's lowest total power at less than 0.15 mW/MHz and standby power at less than 0.15 mW. The processors feature up to 320 KB of onchip memory and multiple integrated peripherals that reduce system cost by more than 20 percent compared to earlier C55x processors. Dynamic voltage and frequency scaling can be used to maximize the battery life for different operating conditions, allowing up to 40 percent additional battery life compared to earlier C55x processors.

The C5504 DSP provides a lowcost solution with the right combination of performance and standby and active power levels for emerging portable applications that require up to 256 kB onchip memory, such as portable voice recorders and MP3 players. The C5505 DSP builds on the C5504 by adding an additional 64 kB onchip memory, an integrated display controller and fast Fourier transform (FFT) hardware acceleration for end equipments such as noisecancellation headphones, musical instruments, medical monitoring, biometrics and seismic sensors.

Both devices are pintopin and software compatible, offering the same energy efficiency and performance with a different peripheral set. This allows system designers to develop one platform that bridges different price markets by migrating between processors.

Pricing and availability

The TMS320C5504 DSP is priced at $6.20 in quantities of 1,000 units (1 ku). Both devices are sampling now. The TMS320C5505 is priced at $7.45 US in quantities of 1,000 units. The C5504 and C5505 are the latest processor in TI's growing portfolio of approximately 36 ultralowpower DSPs and development resources.

With an extensive portfolio of ultralowpower devices, including the lowest power DSPs, the lowest power floatingpoint DSPs, ultralowpower MSP430(TM) microcontrollers and power management solutions, TI continues to lead the market with innovative, energyefficient solutions.

Find out more about TI's extensive C55x DSP portfolio

- C5504 product page:
- C5505 product page:
- C5504 technical briefs:
- C5505 technical briefs:
- C550x FAQ:
- DSP selection tool:
- Power management solutions for the C55x DSP:
- Ultralowpower MSP430 MCUs:
- TI E2E community and support:

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TMS320C55x, C55x and MSP430 are trademarks of Texas Instruments. All other trademarks and registered trademarks belong to their respective owners.