Nokia RM-596 - GPS Interface

Figure 51 BOB1.0M-b interface in RM-596
GPS interface
RM-596 includes an inbuilt single chip GPS receiver GPSCost4.1D, comprising both RF and BB blocks integrated
in a single digital die. GPSCost4.1D is connected to RAPU ASIC via I2C_1 and some GENIOs. GPSCost4.1 D 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 GPSCost4.1D.
Figure 52 GPS interface
RM-596
System Module
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