Data Sheet

TeledyneLeCroyCorporation FormatofTrafficGenerationFiles
566 USBProtocolSuiteUserManual
raw_data_bits
SupportedinHi
SpeedModeonly
onVoyagerM3i.
integer Usetosendanon‐modulo8numberofbitsina
classicspeedraw_datapacket.
Itisonlyvalidinconjunctionwiththeraw_data
statement.
Normally,everybitofthearraydefinedina
raw_data=(xxyy)typeofstatementwouldbe
sent.However,particularlyinthecasewhere
bit_stuff=off,youneedmorecontroloverthe
numberofbitstobeoutputonthebus.By
addingthestatementraw_data_bits=11,only
thefirst11bitsofthedefinedbytesaresent.
Forthefollowingcase,
raw_data=(8FF0)raw_data_bits=13
theoutputbitstreamwouldbe:
1111000100001
(EachbyteisdescribedinMSBtoLSBformat,
butisoutputonthewireinLSBtoMSBformat.)
bit_stuff
SupportedinHi
SpeedModeonly
onVoyagerM3i.
OFF
ON
AssignthestringOFFtodisablebitstuffing
withinthecurrentpacket.
ThedefaultvalueisON.
sync integer
2‐40
Assignanintegerfrom2to40torepresentthe
syncfield.Theintegeristhenumberofzeros
transmittedbeforetheone.
ForLowandFullSpeedfiles,thedefaultvalueis
7togiveasyncof00000001.
ForHighSpeedfiles,thedefaultvalueis31
resultinginasyncof
00000000000000000000000000000001.
retry
ping_on_retry
ping_on_nak
retry_next_frame
TRUE
FALSE
HostGenerationOnly.
Thesefourkeysmaybeappliedtoindividual
packetstooverridethebehaviorinagiven
instance.
Normally,theyareusedintheconfig_endpoint
statement.
SeetheirdescriptionsintheEndpoint
Configurationsectionearlier.
KeysforClassDecoding
Thesekeysarepopulatedintothe.utg.scriptfileautomaticallywheneverthemenu
commandFile>Exportto.utgfileisrun.Thesekeysdonotneedtobeedited.
sd_prod
TABLE 11.3: Support Keys for Defining Fields within a packet. (Continued)
Key Code Format Description