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.
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 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 |
JTAG
→
|
| usedInStandard |
IEEE 1149.1
→
|
Referenced by (1)
| Subject (surface form when different) | Predicate |
|---|---|
|
IEEE 1149.1 JTAG boundary-scan standard
→
|
definesOptionalSignal |