Fairchild Imaging MRDI User Manual page 22

Table 3.4.4 --
...the differences are that the reset-&-integration cycle is initiated when ExSync is taken low...
n
t
Reset3
Ex Sync
Ca mera Input
LineV alid
Ca mera Output
t
XFR
Notes specific to this mode
1 The reset-and-integration cycle is initiated by ExSync being taken low by the user; this has the effect
of starting integration as soon as possible at the beginning of the line period
2 ExSync must be returned high at least "t
3 The user sets integration time "t
4 The user can read data from the CAM/CMOS - 2K.LS while LineValid is high as shown above.
Fairchild Imaging • CAM/CMOS-2K.LS Line Scan Camera User's Manual • Rev A • 22 of 41
Mode 3: ExSync Synchronization with Programmable Integration Time
...Mode 3 is similar to Mode 2...
...and the duration of integration
t
Integration
user-set with command software
t
HoldLow
>t
MinSync
t
Readout
2048 Clock Cycles
Da ta Ca m e ra Output
Strobe Ca m e ra Output
Line Va lid Ca m e ra Output
" prior to taking it low again to signal the end of the line period
Setup
" with the software command set
Integration
t
LinePeriod
t
HoldHigh
>t
Setup
1
n+1
2 3 2047 2048