STMicroelectronics' ST-Gipsy chipset is a two-chip solution for GPS applications. The chipset includes the STB5600 single-chip GPS radio and the ST20GP6 single-chip GPS controller.
The ST20GP6 integrates all digital functions on one chip - including RAM and ROM - and together with the STB5600 enables a GPS receiver to be implemented using just two chips and a minimal number of external support components.
ST has consistently set the pace for levels of integration and has been a major force in the drive to reduce cost and ease the design of GPS solutions. ST customers already benefit with quick to market, cost-effective GPS solutions offering the 32 bit performance of the ST-Gipsy chipset.
The STB5600 and ST20GP6 chipset solution is capable of supporting large values of frequency offset, allowing the use of a very low-cost oscillator, thus saving the cost of a temperature controlled crystal oscillator (TCXO). Moreover, the STB5600 requires few external components while internal output buffers provide a CMOS level signal suitable for direct connection to the ST20GP6.
The ST20GP6 can implement the GPS digital signal processing algorithms using less than 50% of the available CPU processing power; this leaves the rest available for integrating OEM application functions such as route-finding, map display and telemetry.
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