Gps Interface - Nokia RM-645 Service Manual

RM-645
System Module
Figure 44 Bluetooth interface
The BTHFM module is powered by VBAT and the regulated voltage VIO. For audio applications the Bluetooth
has a PCM data bus. In addition an UART (universal asynchronous receiver/transmitter) is used for data
communication and controls.

GPS interface

The device includes an inbuilt GPS receiver and it works as a stand-alone positioning device.
The GPS system is connected to RAPU ASIC.
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