Garmin Integrates GPS Chipset from STMicroelectronics for Use in PNDs, GPS Receivers
September 4, 2007 // Published as a news service by IHS
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STMicroelectronics (ST) launched volume production of its Teseo global positioning system (GPS) engine designed for use in certain Garmin portable navigation devices (PNDs) and handheld GPS receivers.
The Teseo platform can be used for a range of applications, including PNDs, handheld GPS receivers, in-car navigation, telematics and electronic toll collection.
Teseo integrates a single-chip baseband (STA2058) with embedded flash and a radio frequency (RF) front-end (STA5620), complemented with software libraries. The product is available in a single-package form (STA8058) and as a dual-chip offering.
The embedded flash memory enables the equipment manufacturer to load the entire GPS software, ST said.
The Teseo GPS baseband integrated circuit (IC) integrates a set of peripherals, including a controller area network (CAN) 2.0 B active interface, a four-channel 12 b analog-to-digital converter (ADC), inter-integrated circuit (I2C), universal asynchronous receiver-transmitter (UART), serial peripheral interface (SPI), general-purpose input/output (GPIO) and universal serial bus (USB).
ST said Teseo takes fewer than 34 seconds to acquire accurate time, satellite positioning and velocity (ephemeris) data that have been lost during the switch-off.
The new ST GPS chipsets support satellite-based augmentation systems such as wide area augmentation system (WAAS) and European geostationary navigation overlay service (EGNOS).
According to ST, Teseo GPS accuracy expressed in circular error probability (the radius of a circle that represents a 50% probability of a position lying in that circle) is as low as 2 meters. Teseo devices also are ready for compliance with Galileo, the upcoming European navigation system complementary to GPS.
"ST is one of the few players in this market that can offer high-performance and cost-effective GPS solutions, based on robust silicon technology, experience in the automotive market and know-how developed in collaboration with leading navigation manufacturers," said Domenico Rossi, general manager of the ST car radio and multimedia division.
Source: STMicroelectronics.