hi-6131pqtf QuickLogic Corp, hi-6131pqtf Datasheet - Page 234

• Manufacturer Part Number: hi-6131pqtf
• Description: Mil-std-1553 / Mil-std-1760 3.3v Bc / Mt / Rt Multi-terminal Device
• Manufacturer: QuickLogic Corp

* Terminal is using “illegal command detection” and command is legal
** Terminal is using “illegal command detection” and command is illegal.
Circumstances for
Received Message
Valid defined mode
code command
(including reserved
mode code) not
“illegalized” by
Illegalization Table
(table bit equals 0 *)
Valid defined mode
code command that
is “illegalized” by the
IllegalizationTable
(table bit equals 1 **)
OR terminal is not using “illegal command detection” and command may be legal or illegal (in form response).
Terminal Response to
Received Command
If MC2 (transmit status)
or MC18 (transmit last
command) status word
from last command is
transmitted. If MC18,
data word transmitted
is read from an internal
register.
OR
If not MC2 or MC18,
normal Status Word
response. If broadcast,
assert Status Word
BCR bit.
For mode codes 16-31
with T/R bit = 1 which
transmit a data word,
the word for transmit
is read from the Mode
Command Data Table.
AND
For all mode commands
with mode data word
(mode codes 16-31),
the transmitted or
received data word is
written to command’s
Descriptor Word 4.
Set Message Error (ME) status.
If not broadcast (RT31),
transmit.
Status Word without a following
mode data word. If broadcast
(RT31), also assert the BCR
status bit.
AND
For mode commands with
a mode data word
(mode codes 16-31),
no updates are made to
the Mode Command Data
Table or to the command’s
Word 4 in Descriptor Table.
HOLT INTEGRATED CIRCUITS
HI-6130, HI-6131
234
Bits Updated
in Descriptor
Control Word
DBAC bit set.
BCAST bit
updated.
DPB bit toggles.
DBAC bit set.
BCAST bit
updated.
DPB bit toggles.
Bits Updated in Data
Buffer Msg Info Word
Normal CS update:
BUSID bit updated.
MERR bit reset.
ILCMD bit reset.
RTRT bit reset.
(All error bits reset.)
ILCMD bit set.
BUSID bit updated.
MERR bit reset.
RTRT bit reset.
(Other error bits reset.)
Interrupt
Options
IWA
IBR
(IXEQZ)
ILCMD
IWA
IBR