TMS
E6441
TMS (Test Mode Select) is the JTAG control signal used to navigate the TAP (Test Access Port) state machine in IEEE 1149.1 boundary-scan operations.
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
JTAG control signal
ⓘ
digital input signal ⓘ |
| associatedWith |
IEEE 1149.1 JTAG boundary‑scan standard
ⓘ
surface form:
TAP (Test Access Port)
|
| belongsTo | JTAG signal group ⓘ |
| controls | TAP state machine ⓘ |
| controlsTransitionBetween |
TAP stable states
ⓘ
TAP transient states ⓘ |
| definedIn |
IEEE 1149.1 JTAG boundary‑scan standard
ⓘ
surface form:
IEEE 1149.1 JTAG specification
|
| direction | input to device under test ⓘ |
| fullName | Test Mode Select ⓘ |
| hasAbbreviation | TMS self-link ⓘ |
| isInputTo | TAP controller ⓘ |
| isMandatorySignalIn | JTAG interface ⓘ |
| logicLevelDetermines | next TAP controller state ⓘ |
| presentOn | JTAG test access port pins ⓘ |
| requiredBy | IEEE 1149.1 compliant devices ⓘ |
| sampledOn | TCK rising edge ⓘ |
| signalType | synchronous control signal ⓘ |
| usedDuring |
board-level boundary-scan testing
ⓘ
device debug via JTAG ⓘ in-system programming via JTAG ⓘ |
| usedFor |
navigating JTAG data path
ⓘ
navigating JTAG instruction path ⓘ selecting JTAG test modes ⓘ |
| usedIn |
IEEE 1149.1 JTAG boundary‑scan standard
ⓘ
surface form:
JTAG
boundary-scan testing ⓘ |
| usedInOperation | boundary-scan operations ⓘ |
| usedInStandard |
IEEE 1149.1 JTAG boundary‑scan standard
ⓘ
surface form:
IEEE 1149.1
|
| usedToNavigate | TAP (Test Access Port) state machine ⓘ |
| voltageLevel | depends on device I/O standard ⓘ |
| worksWith |
TCK
ⓘ
TDI ⓘ TDO ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
IEEE 1149.1 JTAG boundary-scan standard