ZEN2011P Zenic, ZEN2011P Datasheet - Page 8

• Manufacturer Part Number: ZEN2011P
• Description: Programmable Universal Counter
• Manufacturer: Zenic

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5-3. Mode 1 : Functions and formats of
set t in g syst em m ode in Mode 1.
t h e com m a n d gr ou p of Mode 1 is in pu t a t Mode 0, it
is n ot execu t ed.
ca n be a ccessed in Mode 1. Th e D0 of t h e st a t u s
r egist er is m on it or t h e com pa r a t or B ou t pu t E QB.
E XTA ca n be pr ogr a m m ed t o ou t pu t on e of t h r ee
sign a ls (E QA, E QA+E QB, IN TE QA).
E XTB ca n be pr ogr a m m ed t o ou t pu t on e of t h r ee
sign a ls (E QB, IN TE QB, IN TAI).
E QA It is Low on ly wh en t h e cou n t ed va lu e is equ a l
E QB It is Low on ly wh en t h e cou n t ed va lu e is equ a l
E QA+E QB It is Low wh en eit h er E QA or E QB is
D
Th e com m a n d gr ou p of Mode 1 becom es effect ive by
Format of the command register(mode 0)
x
x
x
x
x
x
x
x
x
x
x
x
0
0
1
1
1
7
D
x
x
x
x
x
x
x
x
0
0
1
1
x
x
x
0
x
6
t o t h e r efer en ce r egist er A va lu e.
t o t h e r efer en ce r egist er B va lu e.
D
x
x
x
x
x
x
x
x
0
0
1
0
1
x
x
x
x
5
D
Low.
x
x
x
x
x
x
x
x
x
x
x
x
0
1
0
1
1
4
D
x
x
x
x
x
x
x
0
0
1
1
1
x
x
x
x
x
3
D
Mor eover , t h e r efer en ce r egist er B
0
1
x
0
1
x
x
x
x
x
x
x
x
x
x
x
x
2
D
x
x
x
x
x
x
x
x
x
0
0
1
x
x
x
x
x
1
D
x Select in g t h e u p/down cou n t er
x Select in g t h e r efer en ce r egist er -A
x Select in g t h e pr eloa d r egist er
x
x Select in g t h e r efer en ce r egist er -B (m ode 1)
0
1
x Select in g h igh byt e of t h e r egist er
x N o oper a t ion
x Z ph a se in pu t is n ot effect ive
x On ly n ext Z ph a se in pu t is effect ive
x E ver y Z ph a se in pu t is effect ive
x N o oper a t ion
x LT(La t ch in g t h e cou n t va lu e)
x LD(Loa din g t h e pr eloa d va lu e)
x Com m a n d ID.
x In h ibit
0
the command register
Select in g low byt e of t h e r egist er (defa u lt )
Select in g m iddle byt e of t h e r egist er
Oper a t ion
Th er efor e, even if
"
- 8 -
IN TE QA
IN TE QB
IN TAI
(m ode 0)
(defa u lt )
(defa u lt )
(m ode 1)
IN TAI is h oldin g Low.
It ca n be u sed for in t er r u pt r equ est .
Th e
Disa ble in t er r u pt (DI) a n d r eset , a r e a va ila ble.
AI
in it ia lizes t h e ph a se discr im in a t ion cir cu it .
AI r eset com m a n d is effect ive on ly wh en
IN TAI is select ed (a ft er 9AH , 9BH com m a n d
execu t ed).
Aft er a bn or m a l t r a n sit ion st a t e is det ect ed,
Low.
It ca n be u sed for in t er r u pt r equ est .
Low.
It ca n be u sed for in t er r u pt r equ est .
Aft er E QA is Low, IN TE QA is h oldin g
Aft er E QB is Low, IN TE QB is h oldin g
r eset
com m a n ds
com m a n d
of E n a ble
r eset s
in t er r u pt (E I),
t h is
ZEN2011P
ZENIC Inc.
ou t pu t ,