Rfconvclk (19.2 Mhz Digital) - Nokia NPD-1 Series Troubleshooting - Bb

NPD-1
Troubleshooting — BB

RFConvClk (19.2 MHz digital)

The UPP distributes the 19.2MHz internal clock to the DSP and MCU, where SW multi-
plies this clock by seven for the DSP and by two for the MCU. (See the following figure.)
Page 16
Figure 7: Waveform of 19.2MHz clock from RF to UPP
Figure 8: RF CovClk waveform
Nokia Corporation
CCS Technical Documentation
Confidential Issue 1 11/2002