DESCRIPTION

· STA2058 is the high-sensitivity baseband of the TESEO GPS platform, which includes the STA5620 RF Front-End. It allows equipment manufacturers to load the entire GPS software after customizing its interfaces. A standard GPS library is available from ST.

FEATURES

· Single chip baseband with embedded Flash.
· Complete embedded memory system: 256 KB Flash +16 KB, 64 KB RAM.
· 66 MHz ARM7TDMI 32-bit processor.
· High-performance GPS engine (HPGPS).
· Supports SBAS (WAAS and EGNOS).
· Sensitivity: -146 dBm acquisition, -159 dBm tracking.
· Time to first fix: 1s reacquisition, 2.5s hot start, 34s warm start, 39s cold start.
· Accuracy: 2m autonomous.
· External Memory Interface (EMI) supporting up to 64 Mbit of external SRAM, Flash, and ROM.
· Extensive GPS receiver interfaces: 48 GPIOs, 4 UARTs, 2 SPIs, 2 I2Cs, 2 CANs 2.0, 1 USB 1.1, 1 HDLC, and 4 channels ADC.
· ST proprietary Flash embedded technology.
· Available in LFBGA144 and LQFP64 lead-free packages.
· Operating temperature range: -40°C to 85°C.

APPLICATIONS

· Consumer devices.
· Handheld devices.
· Portable Navigation Devices (PND).
· In-vehicle navigation systems.
· Telematics systems.