Teledyne LeCroy USB Protocol Suite User Manual (Voyager_Advisor T3_Mercury) User Manual
Page 215

USB Protocol Suite User Manual
215
Error Summary
Teledyne LeCroy Corporation
Bad CRC16
The CRC16 field has an incorrect value. The packet is corrupt
(either the data or the CRC itself).
Bad Packet Length
The packet is shorter or longer than expected.
Bad Stuff Bits
The NRZI encoding has a problem.
Bad EOP
The End of Packet signaling does not conform to the USB 2.0
Specification.
Babble Start
The packet started too late in the Frame or Microframe.
Babble End (LOA)
The packet ended to late in the Frame or Microframe.
Bad Frame Length
The Frame or Microframe time was out of spec. (expected ~1
ms or ~125Sec)
Bad Turnaround/
Timeout
The device or host took too long to respond to a packet within
a transaction.
Bad Data Toggle
Unexpected Data Toggle value; incorrect according to the USB
2.0 Specification.
Bad Frame/uFrame
Number
Frame number not sequential, or not exactly 8 repetitions of a
frame number in a High Speed frame sequence.
Analyzer Internal
Error
Teledyne LeCroy hardware capture problem (not a USB error).
Last Byte Incomplete The packet length in bytes was not modulo 8.
Bad OTG Signal Value The OTG signal was not within USB 2.0 OTG Specification.
TP Non‐Zero
Reserved Field
A reserved value within a Transaction Packet has a non‐zero
value.
PTP Tra No
Command
No command seen in this PTP Transfer.
PTP Tra No Response No response seen in this PTP Transfer.
PTP Tra Id
Misordered
The Transfer ID's appear to be in the wrong order.
PTP Tra No
Operation code
The operation code is missing in this PTP transfer.
SCSI Op No
Command
The Command is missing from this SCSI Operation.
SCSI Op No Data
The Data is missing from this SCSI Operation.
SCSI Op status
Invalid Status is found for this SCSI Operation.
SCSI Op Invalid
OpCode
The SCSI OpCode is not supported by the current standards.
Error Type
Error Description