HP 3562A Service Manual page 275

C I RC U I T D E SC R I PT I O N S
Internal Signal Descriptions, A6
A B O RT
B LKD O N E
B LK F U L L
B LK R EADYF LG
B LK2FU LLF LG
B LK3FU L L F LG
C L R I N T L
C O U NTE RSE L
C O U NTE R DTA CKL
D M EA N A B L E L
F LASH
F R E E R U N
GAH2 l
" " INHTKEMPI VFtG
MARKER, MAR K E R F lG
MASKO-2, 1 3-1 5
MEAS U R I N G
N OTREALTIME L
N OTREALTIME F LG
6-54
U sed to stop D igital Fi lter Assembly activity
Signal from start/stop contro l l er to meas u rement control state
mach i n e to ind icate that a triggered measu rement is com plete
B lock f u l l . I n put to meas u rement control m a c h i ne which
i n d icates that a meas u rement i s co m p l ete
Set when the measu rement mode data bl ocks are complete
fo r both cha n n e l s
Set w h e n t h e auxi l iary data b lock 2 is f i l led
Set when the u nfi ltered auxi l i ary data block i s f i l led
C lear i nte rru pt. C lears the add ressed i nte rrupt fl ag f l i p-f lop
Cou nter sel ect, enables U107
Data point cou nter data transm it ack nowledge
T i m i ng signal from measu rement control machine to start/stop
control and trigger control
Signal activated in the trigger L E D control block each ti me a
trigger occ u rs
U sed with T R I G G E R E D to sel ect the measu re ment mode. I f
T R I G G E R E D is set and FRE E RU N is clear, triggered mode is
sel ected. I f F R E E R U N is set and T R I G G E R E D is clear, free ru n
mode is sel ected. If both bits are clear, stream mode is selected.
Signal to d ata point cou nter i nd icati ng that a trigger has
Set if a m a rker count has f i n i s hed
Ou tputs from the i nterrupt mask reg ister
Set when t h e measu rement is active. Used f o r contro l of the
front panel T R I G G E R I NG L E D
S i g n a l to trigger L E D control i n d icati ng that m eas u rement is
not real t i m e
I nd icates that data cannot be moved through the D FA fast
enough to p revent delayi n g f u rther meas u rements .
MOD E L 3562A