LG KE520 Service Manual page 26

This implementation is based on the following:
- The time processing unit (TPU) module is a real-time sequencer dedicated to monitoring GSM
baseband processing.
- The serial port of the time serial port (TSP) module controls both interfaces.
- The real-time TSPACT signal of the TSP module
- The Mc-BSP digital RF module is used for the six-wire data interface.
- The serial radio interface module is used for the two-wire data interface.
- A system clock interface receives a squared 26-MHz clock from the RF IC.
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<Fig.8> OMAPV1030 Radio Interface
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3. Circuit Description
LGE Internal Use Only