ZEN2011P Zenic, ZEN2011P Datasheet - Page 5

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

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UD/AB
H
L
Tab.2 Counting mode selection
SE L2 SE L1 SE L0
X
L
L
L
H
H
H
L
H
X
L
L
H
L
L
H
H
H
X
L
H
L
L
H
L
H
H
(E dge eva l.)
Sin gle pu lse
Sin gle pu lse
P u lse in pu t
U p/Down
P h a se-
P h a se-
P h a se-
P h a se-
P h a se-
P h a se-
(Sin gle)
(Dou ble)
(Qu a d)
(Sin gle)
(Dou ble)
(Qu a d)
(Sin gle)
(Dou ble)
sh ift ed
sh ift ed
sh ift ed
sh ift ed
sh ift ed
sh ift ed
pu lse
Clea r
Asyn ch -
Syn ch r o
clea r
Asyn ch -
clea r
r on ou s
clea r
r on ou s
m ode
-n ou s
m ode
m ode
- 5 -
4-4.Count operation with pulse input
Edge evaluation ( 1:count 0:not count )
Up/down pulse input
Phase-shifted pulse input
Sin gle 1
Dou ble 1
Qu a d
Single pulse input
Sin gle
Dou ble
U p/down
P h a se-
Sin gle
N ot e: Bot h u p/down pu lse sh ou ld n ot be
A
B
N ot e: B is u sed for a cou n t en a ble sign a l.
P u lse
sh ift ed
U P
DN
pu lse
pu lse Sin gle:Ch a n ge of ph a se A
A
B
sim u lt a n eou sly set t o a "Low" level.
1
1
1
1
At t h e ph a se ch a n ge of A,B pu lse
Sin gle:Ch a n ge of ph a se A
Dou ble:Ch a n ge of ph a se A
Qu a d :Ch a n ge of ph a se A,B
Cou n t u p wit h pu lse A, a s cou n t
en a ble sign a l wit h B.
Dou ble:Ch a n ge of ph a se A
0
At t h e r isin g U P ,DN pu lse.
0
1
1
0
1
1
0
1
1
1
Cou n t oper a t ion
(on ly wh en ph a se B is "L")
(on ly a t t h e r isin g pu lse)
0
0
1
0
1
1
0
0
0
1
0
1
0
0
0
1
1
0
0
0
0
1
ZEN2011P
ZENIC Inc.
0
0
1
1
1