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)： 30/176頁
文件大小： 7952K
代理商： PCL6045B
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23
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7-2.
General-purpose
output
bit
control
commands
These
commands
control
the
individual
bits
of
output
terminals
P0
to
P7.
When
the
terminals
are
designated
as
outputs,
the
LSI
will
output
signals
from
terminals
P0
to
P7.
Commands
that
have
not
been
designated
as
outputs
are
ignored.
The
write
procedures
are
the
same
as
for
the
Operation
commands.
In
addition
to
this
command,
by
writing
to
a
general-purpose
output
port
(OTPB:
Address
2
when
a
Z80
I/F
is
used),
you
can
set
8
bits
as
a
group.
See
section
7-5,
"General-purpose
output
port
control."
The
P0
and
P1
terminals
can
be
set
for
one
shot
output
(T
=
approx.
26
msec.)
using
the
RENV2
(Environment
setting
2)
register,
and
the
output
logic
can
be
selected.
To
use
them
as
one
shot
outputs,
set
the
P0
terminal
to
P0M
(bits
0
and
1)
=
11,
or,
set
the
P1
terminal
to
P1M
(bits
2
and
3)
=
11.
To
change
the
output
logic,
set
P0L
(bit
16)
on
the
P0
terminal
and
P1L
(bit
17)
on
the
P1
terminal.
In
order
to
perform
a
one-shot
output
from
the
P0
and
P1
terminals,
a
bit
control
command
should
be
written.
However,
the
command
you
need
to
write
will
vary,
depending
on
the
output
logic
selected.
See
the
table
below
for
the
details.
Bit
control
command
Negative
logic
(P0L
=
0) P0RST
(10h)
P0
Positive
logic
(P0L
=
1) P0SET
(18h)
When
writing
control
commands
to
output
ports
(OTPB:
address
2
for
the
Z80
interface),
the
P0
and
P1
terminals
will
not
change.
Terminal
Logic
setting
Terminal
Logic
setting
Bit
control
command
P1RST
(11h)
P1SET
(19h)
Negative
logic
(P1L
=
0)
Negative
logic
(P1L
=
1)
P1
COMB0
10h
11h
12h
13h
14h
15h
16h
17h
Symbol
P0RST
P1RST
P2RST
P3RST
P4RST
P5RST
P6RST
P7RST
Description
Make
P0
LOW.
Make
P1
LOW.
Make
P2
LOW.
Make
P3
LOW.
Make
P4
LOW.
Make
P5
LOW.
Make
P6
LOW.
Make
P7
LOW.
COMB0
18h
19h
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
Symbol
P0SET
P1SET
P2SET
P3SET
P4SET
P5SET
P6SET
P7SET
Description
Make
P0
HIGH.
Make
P1
HIGH.
Make
P2
HIGH.
Make
P3
HIGH.
Make
P4
HIGH.
Make
P5
HIGH.
Make
P6
HIGH.
Make
P7
HIGH.
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