參數(shù)資料
型號: PCL6045B
廠商: Electronic Theatre Controls, Inc.
英文描述: User Manual For PCL6045B Pulse Control LSI
中文描述: 用戶手冊PCL6045B脈沖控制大規(guī)模集成電路
文件頁數(shù): 131/176頁
文件大?。?/td> 7952K
代理商: PCL6045B
-
124
-
11-11-4.
IDX
(synchronous)
signal
output
function
Using
Comparator
4
and
COUNTER4,
the
PCL
can
output
signals
to
the
P6n/CP4n
terminals
at
specified
intervals.
Setting
C4C0
and
C4C1
to
"11"
(in
the
general-purpose
counter)
and
setting
C4S0
thru
C4S3
to
"1000",
"1001
or
"1010"
(the
IDX
output),
the
PCL
can
be
used
for
IDX
(index)
operation.
The
counter
range
of
COUNTER4
will
be
0
to
the
value
set
in
RCMP4.
If
counting
down
from
0
the
lower
limit
will
be
the
value
set
in
RCMP4,
and
if
counting
up
from
the
value
set
in
RCMP4
the
limit
will
be
0.
The
input
for
COUNTER4
can
be
set
to
C140
or
C141
in
RENV3.
By
setting
IDXM
in
RENV4,
you
can
select
either
level
output
or
count
output.
Select
the
specification
for
the
P6/CP4
terminals
<Set
P6M0
to
1
in
RENV2
(bits
12
and
13)>
10:
Output
an
IDX
signal
using
negative
logic
11:
Output
an
IDX
signal
using
positive
logic
Select
the
count
input
for
COUNTER4
(general-purpose)
<set
to
CI40
and
C41
(bits
12
&
13)
in
RENV3>
00:
Output
pulses
10:
PA/PB
input
01:
EA/EB
input
11:
Divide
the
CLK
input
by
2.
Select
the
comparison
counter
for
Comparator
4
<set
C4C0
and
41
(bits
25
&
26)
in
RENV4>
11:
COUNTER4
(general-purpose).
Select
the
comparison
method
for
COUNTER4
<set
C4S0
to
CSS3
(bits
26
to
29)
in
RENV4>
1000:
IDX
output
(regardless
of
count
direction)
1001:
IDX
output
(only
while
counting
up)
1010:
IDX
output
(only
while
counting
down)
Select
the
IDX
output
mode
<set
IDXM
(bit
23)
in
RENV4>
0:
Outputs
an
IDX
signal
while
COUNTER4
=
RCMP4.
1:
Outputs
an
IDX
signal
for
two
CLK
cycles
when
COUNTER4
reaches
0
by
counting.
Note:
While
IDXM
=
1,
writing
a
"0"
to
COUNTER4
or
resetting
COUNTER4
will
not
output
an
IDX
signal.
The
setting
in
IDXM
is
only
effective
when
C4S0
to
C4S3
are
set
to
1000,
1001,
or
1010
(synchronous
signal
output).
[RENV2]
(WRITE)
15
-
-
n
n
-
-
-
-
8
[RENV3]
(WRITE)
15
-
-
n
n
-
-
-
-
8
[RENV4]
(WRITE)
31
-
-
-
-
-
-
n
n
[RENV4]
(WRITE)
31
-
-
n
n
n
n
-
-
24
24
[RENV4]
(WRITE)
23
n
-
-
-
-
-
-
-
16
Output
example
1:
IDXM
=
0:
Level
output
Regardless
of
the
feed
direction,
the
PCL
will
output
the
IDX
signal
using
negative
logic
for
the
output
pulses.
(Counting
range:
0
to
4.)
Settings:
RENV2
=
D00002000h,
RENV3
=
00000000h,
RENV4
=
23000000h,
RCMP4
=
4
Output
example
2
(IDXM
=
1:
Count
output)
Regardless
of
the
feed
direction,
the
PCL
will
output
the
IDX
signal
using
negative
logic
for
the
output
pulses.
Counting
range
0
to
4.
Settings:
RENV2
=
00002000h,
RENV3
=
00000000h,
RENV4
=
23800000h,
RCMP4
=
4
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