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ZiLOG System 8000 Hardware Reference Manual

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HRM
SIGNAL
NAME\
MNEMONIC
INT3\
IEI1
IE01
IEI2
IE02
IEI3
IE03
Zilog
HRM
NUMBER
FUNCTION
OF
LINES
Level-3
Interrupt:
This
interrupt
line
has
the
lowest
priority
in
the
system.
This
line,
when
driven
by a
slave,
generates
a
non-vectored
int.errupt.
Level-1
Interrupt
Enable
In:
This
signal
works
with
Level-1
interrupt
enable
out
to
form
the
NMI
acknowledge
daisy
chain.
Level-1
Interrupt
Enable
Out:
Level-2
Interrupt
Enable
In:
This
signal
works
with
Level-2
interrupt
enable
out
to
form
the
VI
acknowledge
daisy
chain.
Level-2ยท
Interrupt
Enable
Out:
Level-3
In
terrupt
.Enable
In:
This
signal
works
with
Level-3
in~errupt
~nable
out
to
form
the
NVI
acknowledge
daisy
chain.
Level-3
Interrupt
Enable
Out:
MMREQ\
MMAI\
4-6
1
Multimicro
Request:
When
this
signal
is
active
a
module
can
request
the
use
of
a
common
resource.
The
MMREQ\
signal
works
with
signals
MMAI\
and
MMAO\.
Multimicro
Acknowledge
In:
This
signal
works
with
signal
MMAO\
to
form
the
resource-
request
daisy
chain.
Zilog
4-6

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ZiLOG System 8000 Specifications

General IconGeneral
BrandZiLOG
ModelSystem 8000
CategoryDesktop
LanguageEnglish

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