Fm Radio - Nokia RH-27 Series Technical Documentation Manual

RH-27
Troubleshooting - Baseband
Table 7: Timing margins of serial interface for camera module
Parameter
RxDa data set-up time (Tdis)
RxDa data hold time (Tdih)
CSX valid to DaClk high (Tcss)
DaClk high to CSX invalid (Tcsh)
Camera interrupt (TxDa pin) (Tint)
Output delay time (C=30pF) (Tod)
The following figure describes the rise and fall times of the serial interface and Table 8
limits.
Table 8: Rise and fall times of serial interface for camera module
Parameter
RxDa rise time
RxDa fall time
CSX rise time
CSX fall time
TxDa rise time
TxDa fall time
DaClk rise time
DaClk fall time

FM Radio

FM radio circuitry is implemented using highly integrated radio IC, TEA5767HN. FM radio
circuitry is controlled through serial bus (GenlOS) interface by the MCU SW.
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Measured value
100ns
103.6ns
106ns
209ns
204ns
8.3ns
90%
10%
t
r
Figure 14: Rise and fall times
Measured value
8.63ns
4.79ns
8.41ns
4.76ns
3.21ns
2.84ns
6.31ns
4.47ns
©2003 Nokia Corporation
CCS Technical Documentation
Min time Max time
25ns
25ns
(DaClk cycle time)/
2
DaClk cycle time
1 x ExtClk cycle
20ns
90%
10%
t
f
Min time Max time
20ns
20ns
20ns
20ns
10ns 30ns
10ns 30ns
20ns
20ns
Confidential Issue 1 11/2003