At present, the biggest development trend of the GPS scheme is: pure GPS receiving chips and mobile phones (or handheld devices) main chips (main processor) collaboration will be closer, and the GPS solution is "from hard to soft". From full hard to soft GPS solutions, the overall power consumption, volume and system cost are getting lower and lower, but the more development time and the main chip resources needed, the appropriate amount of appropriate amounts. In the long run, the GPS baseband function will be replaced by the soft GPS integrated by the main chip. It is the ultimate development trend. Sirf spent $ 283 million to acquire the palm of the palm, which is also to deploy the software GPS market. But it takes a while to fully mature the soft GPS solution.

　　The power consumption of the Atmel GPS chip is about 62MW at normal operation, but in a low power consumption state, the working current can be as low as 5 μA. ATMEL's low power consumption performance mainly derives that it integrates a high -level power management controller (APMC) on the film.

　　Under normal circumstances, the strength of the GPS signal received by the ground is very weak; especially in the high -rise cities, this situation is more serious. A good GPS solution must provide a good receiving sensitivity to achieve the ability to accurately receive the GPS signal. Atmel GPS's acquisition sensitivity at the time of cold start can reach -142dBM; its tracking sensitivity can reach -158dBM.

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