Dalsa Piranha 2 Series, Руководство пользователя

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22 Piranha 2 User’s Manual
03-032-00493-14 Teledyne DALSA
Symbol Definition Min (ns) Typ
(ns) Max
(ns)
tOVERH EAD Is the nu m ber of p ixels that m u st elap se
after the falling ed ge of LVAL before the
EXSYN C signal can be asserted . This tim e
is u sed to clam p the internal analog
electronics 712+/ -66
thPR Ap p lies w hen the PRIN exp osu re control
featu re is enabled . The PRIN signal m u st
be held a m inim u m tim e after the
EXSYN C falling ed ge to avoid losing the
integrated charge 0
tw PR_LOW Minim u m Low tim e to assu re com p lete
p hotosite reset 2,640 +/ - 264
tPR_SET The nom inal tim e that the p hoto sites are
integrating. Clock synchronization w ill
lead to integration tim e jitter, w hich is
show n in the sp ecification as +/ - valu es.
The u ser shou ld com m and tim es greater
than these to ensu re p rop er charge
transfer from the p hotosites. Failu re to
m eet this requ irem ent m ay resu lt in
bloom ing in the H orizontal Shift Register. 2,640+/ -264
2.8 Camera Link Serial Communication
Cam era featu res can be controlled throu gh the Cam era Link™ serial com m u nication
(LVDS, 9600 bau d ). The serial interface u ses sim p le ASCII-based p rotocol. The follow ing
chap ter d escribes how to con figu re the cam era u sing the serial interface.
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