TRST

E6185

TRST is an optional active-low reset signal used in JTAG (IEEE 1149.1) interfaces to asynchronously reset the test access port controller.

All labels observed (1)

Label Occurrences
TRST canonical 1

How this entity was disambiguated

Statements (29)

Predicate Object
instanceOf JTAG signal
hardware interface signal
reset signal
abbreviationOf Test Reset
affectsComponent Test Access Port controller
alternativeTo power-on reset of TAP controller
belongsToDomain boundary scan
design for testability
category test and debug signal
definedBy IEEE 1149.1 JTAG boundary‑scan standard
surface form: IEEE 1149.1 JTAG specification
fullName Test Reset
function asynchronously reset the test access port controller
isMandatoryInStandard false
isOptional true
isSynchronousWithTCK false
logicLevelForInactive high
logicLevelForReset low
pinDirection input
relatedSignal TCK
TDI
TDO
TMS
resetType asynchronous reset
scopeOfReset TAP state machine
signalPolarity active-low
signalType digital
typicalUse force TAP into Test-Logic-Reset state
usedInInterface IEEE 1149.1 JTAG boundary‑scan standard
surface form: JTAG
usedInStandard IEEE 1149.1 JTAG boundary‑scan standard
surface form: IEEE 1149.1

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

IEEE 1149.1 JTAG boundary‑scan standard definesOptionalSignal TRST
subject surface form: IEEE 1149.1 JTAG boundary-scan standard