User Guide

CC Technical Documentation Troubleshooting - Baseband
RM-11
Issue 1 02/2004 ©2004 Nokia Corporation Confidential Page 29
Figure 25 shows the rise and fall times of the serial interface and limits shown in Table 9.
Figure 25: Rise and fall times
Table 9 shows the rise and fall times for each parameter.
Table 8: Timing margins of serial interface for camera module
Parameter Measured Value Min Time Max Time
RxDa data set-up time (Tdis) 100ns 25ns
RxDa data hold time (Tdih) 103.6ns 25ns
CSX valid to DaClk high (Tcss) 106ns (DaClk cycle time)/2
DaClk high to CSX invalid (Tcsh) 209ns DaClk cycle time
Camera interrupt (TxDa pin) (Tint) 204ns 1 x ExtClk cycle
Output delay time (C=30pF) (Tod) 8.3ns 20ns
Table 9: Rise and fall times of serial interface for camera module
Parameter Measured Value Min Time Max Time
RxDa rise time 8.63ns 20ns
RxDa fall time 4.79ns 20ns
CSX rise time 8.41ns 20ns
CSX fall time 4.76ns 20ns
TxDa rise time 3.21ns 10ns 30ns
TxDa fall time 2.84ns 10ns 30ns
DaClk rise time 6.31ns 20ns
DaClk fall time 4.47ns 20ns
t
f
t
r
10%
90%
90%
10%