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)： 37/176頁
文件大小： 7952K
代理商： PCL6045B
-
30
-
8-2-2.
Cancel
the
pre-register
operations
Use
a
pre-register
Cancel
command
(26h)
and
a
Stop
command
(49h,
4Ah)
to
cancel
all
the
data
in
the
pre-registers,
and
their
status
then
becomes
undetermined.
The
pre-register
data
are
also
cancelled
if
the
PCL
stops
with
an
error.
8-2-3.
Writing
to
the
comparator
pre-registers
Comparator
5
has
a
pre-register.
To
overwrite
the
current
data,
write
directly
to
RCMP5.
To
write
to
the
pre-register,
write
to
PRCP5.
The
comparator
data
will
only
be
set
by
writing
to
PRCP5.
The
status
of
the
comparator
pre-register
can
be
checked
by
reading
PFC
in
the
RSTS
register.
When
the
PFC
value
is
11,
SPDF
in
the
main
status
register
(MSTSW)
will
be
1.
Writing
data
to
the
pre-register
when
it
is
full
is
not
allowed.
After
the
conditions
have
been
established,
the
comparator
data
in
the
pre-register
will
be
shifted
when
the
condition
changes
from
false
to
true.
Comparator
data
can
be
written
regardless
of
the
PCL
mode
(stopped/operating).
The
relationship
between
the
pre-register
writing
status
and
the
PFC
values
are
as
follows.
Procedure
2nd
pre-register
0
Undetermined
Data
1
is
undetermined
Data
2
is
undetermined
Write
Data
3
to
PRCP5
Data
3
is
set
Comparison
result
for
Data
1
changes
from
true
to
false
undetermined
1st
pre-register
0
Undetermined
Data
1
is
undetermined
Working
register
0
Undetermined
PFC
SPDF
Initial
status
00
0
Write
Data
1
to
PRCP5
Data
1
is
set
01
0
Write
Data
2
to
PRCP5
Data
2
is
set
Data
1
is
set
10
0
Data
2
is
set
Data
1
is
set
11
1
Data
3
is
Data
3
is
set
Data
2
is
set
10
0
Also,
by
setting
an
event
interrupt
cause
in
the
RIRQ
register
(IRND),
the
PCL
can
be
set
to
output
an
INT
signal
as
the
2nd
pre-register
changes
from
"set"
to
"undetermined"
status
when
the
operation
is
complete.
8-2-4.
Cancel
the
comparator
pre-register
data
The
pre-register
cancel
command
(27h)
will
cancel
the
pre-register
data
and
its
status
becomes
undetermined.
However,
please
note
that
the
register
will
not
change
to
the
undetermined
status.
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