Gps Interface - Nokia RM-701 Service Manual

RM-701
System Module
Figure 62 BOB1.0M-b interface

GPS interface

The phone includes an inbuilt single chip GPS receiver GPSCost5.0D, comprising both RF and BB blocks
integrated in a single digital die. GPSCost5.0D is connected to RAPU ASIC via I2C_1 and some GENIOs.
GPSCost5.0D operates in Multi-master mode and the REF clock is requested via AGPS_CLK_REQ signal connected
to RAPU genio46. REFOUT_EXT2 single ended 38.4 MHz analog clock from Linko RF is provided to GPSCost5.0D.
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