hi-6131pqtf QuickLogic Corp, hi-6131pqtf Datasheet - Page 235

• 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 undefined mode
code command.
The UMCINV bit
in Configuration
Register 1 equals 0.
OR terminal is not using “illegal command detection” and command may be legal or illegal (in form response).
Terminal Response to
Received Command
If bit in Illegalization Table that
corresponds to the undefined
mode code command equals
1 **
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.
OR
If bit in Illegalization Table that
corresponds to the undefined
mode code command equals
0 *
Normal Status Word (Clear
Status) response. If command
was broadcast (RT31),
assert the BCR status bit.
AND
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.
HOLT INTEGRATED CIRCUITS
HI-6130, HI-6131
235
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
ILCMD bit set.
BUSID bit updated.
MERR bit reset.
RTRT bit reset.
(Other error bits reset.)
Normal CS update:
BUSID bit updated.
MERR bit reset.
ILCMD bit reset.
RTRT bit reset.
(All error bits reset.)
Interrupt
Options
ILCMD
IWA
IBR
IWA
IBR
(IXEQZ)