hi-6131pqtf QuickLogic Corp, hi-6131pqtf Datasheet - Page 244

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

* Command is illegal but terminal is not using “illegal command detection” (in form response).
** Command is illegal and terminal is using “illegal command detection”
*** Undefined mode command rendered invalid by UMCINV option bit. Command’s bit in Illegalization Table is “don’t care”.
Circumstances for
Received Message
INHIBIT TERMINAL
FLAG BIT (MC6):
Mode code command
with mode code
00110
and T/R bit equals 1
The device automatically sets the TF Inhibit bit in the BIT Word register at address 0x0013. While the TF inhibit bit
is set, the device disregards assertion of the Terminal Flag (TF) bit in the 1553 Status Bits register (0x0006) and
only transmits status with the Terminal Flag status bit reset.
Once the Terminal Flag has been inhibited, it can be reactivated by an “Override Inhibit Terminal Flag” MC7
or “Reset Remote Terminal” MC8 mode command, by software reset (asserting the SRST bit in Configuration
Register 1) or by asserting the MR master reset input pin.
MC6 EXCEPTIONS:
Invalid command word.
OR
T/R bit equals 0 and
UMCINV bit in Config.
Register 1 equals 1 ***
T/R bit equals 0
AND
UMCINV bit in Config.
Register 1 equals 0.
The Illegalization Table
bit equals 0 *
T/R bit equals 0
AND
UMCINV bit in Config.
Register 1 equals 0.
The Illegalization Table
bit equals 1 **
Mode code command
word is followed by a
contiguous data word
Terminal Response to
Received Command
Default response: Reset
Message Error (ME) status
then transmit Status Word.
If broadcast, set the
Status Word BCR bit and
suppress status transmit.
No terminal response,
the message is ignored.
No Status Word change.
(mode code is undefined
when T/R bit equals 0)
Respond “In form”: Reset
Message Error (ME) status.
If not broadcast, transmit
Status Word. If broadcast,
set the BCR status bit and
suppress status response.
Set Message Error (ME)
status. If not broadcast,
transmit Status Word.
If broadcast, also set
Status Word BCR bit and
suppress Status response.
No Status Word transmit.
Set the Message Error
(ME) status bit.
HOLT INTEGRATED CIRCUITS
HI-6130, HI-6131
244
Bits Updated
in Descriptor
Control Word
DBAC bit reset.
BCAST bit
updated.
DPB bit toggles.
No Change
DBAC bit set.
BCAST bit
updated.
DPB bit toggles.
DBAC bit set.
BCAST bit
updated.
DPB bit toggles.
DBAC bit set.
BCAST bit reset.
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.)
No Message Info
Word is written
Normal CS update:
BUSID bit updated.
MERR bit reset.
ILCMD bit reset.
RTRT bit reset.
(Other error bits reset.)
ILCMD bit set.
MERR bit set.
BUSID bit updated.
RTRT bit reset.
(Other error bits reset.)
MERR bit set.
WCTERR bit set.
BUSID bit updated.
ILCMD bit reset.
RTRT bit reset.
(Other error bits reset.)
Interrupt
Options
IWA
IBR
None
IWA
IBR
ILCMD
IWA
IBR
MERR
IWA