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ST20-GP6 データシート(PDF) 5 Page - STMicroelectronics |
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ST20-GP6 データシート(HTML) 5 Page - STMicroelectronics |
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5 / 123 page  ST20-GP6 5/123 1 Introduction The ST20-GP6 is an application-specific single chip micro using the ST20 CPU with microprocessor style peripherals added on-chip. It incorporates DSP hardware for processing the signals from GPS (Global Positioning System) satellites. The twelve channel GPS correlation DSP hardware is designed to handle twelve satellites, two of which can be initialized to support the RTCA-SC159 specification for WAAS (Wide Area Augmentation Service) and EGNOS (European Geostationary Navigation Overlay System) services. The ST20-GP6 has been designed to minimize system costs and reduce the complexity of GPS systems. It offers all hardware DSP and microprocessor functions on one chip and provides sufficient on-chip RAM and ROM. The entire analogue section, RF and clock generation are available on a companion chip. Thus, a complete GPS system is possible using just two chips, see Figure 1.1. Figure 1.1 GPS system The ST20-GP6 supports 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). The CPU and software have access to the part-processed signal to enable accelerated acquisition time. UART DSP ASIC STB5600 Antenna CPU Real time clock Watchdog RAM optional Low cost crystal ST20-GP6 Parallel I/O Single chip No TCXO Driver (optional) timer Radio mask ROM Parallel I/O |
同様の部品番号 - ST20-GP6 |
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同様の説明 - ST20-GP6 |
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