技术特性

• GPS multichip module:
  • STA2058 TESEO Baseband
  • STA5620 RF Front-end
• Complete embedded memory system:
  • Flash 256 KB + 16 Kbytes
  • RAM 64 Kbytes.
• 66-MHz ARM7TDMI 32 bit processor
• High performance GPS engine (HPGPS)
• SBAS (WAAS and EGNOS) supported
• Sensitivity (-146 dBm acquisition, -159 dBm tracking)
• Time to first fix (1 s reacquisition, 2.5 s hot start, 34 s warm start, 39 s cold start)
• Accuracy (2 m autonomous)
• Extensive GPS receiver interfaces: 32 GPIOs, 4 UARTs, 2 SPIs, 2 I2Cs, 1CANs 2.0, 1 USB 1.1, 1 HDLC and 4 channels ADC
• Compatible with L1 signal (C/A code)
• ST proprietary technology
  • CMOS Flash embebbed technology for STA2058
  • BiCMOS Sige technology for STA5620
• LFBGA104 lead-free package
• -40 °C to 85 °C operating temperature range
• Evaluation kits
  • STA8058 module reference designs (17x19 mm and 25x25 mm)
  • Evaluation board hosting STA8058 module

功能框图