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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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SN54LVT8980 Fiches technique(PDF) 20 Page - Texas Instruments |
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SN54LVT8980 Fiches technique(HTML) 20 Page - Texas Instruments |
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20 / 34 page  SN54LVT8980, SN74LVT8980 EMBEDDED TEST-BUS CONTROLLERS IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 8-BIT GENERIC HOST INTERFACES SCBS676C – DECEMBER 1996 – REVISED AUGUST 1997 20 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Table 7. TMS Sequencing From TAP State Test-Logic-Reset FROM TEST-LOGIC-RESET (TMS = H) TO: TEST-LOGIC-RESET RUN-TEST-IDLE SHIFT-DR PAUSE-DR SHIFT-IR PAUSE-IR NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE H T-L-R L R-T/I L R-T/I L R-T/I L R-T/I L R-T/I H S-DR-S H S-DR-S H S-DR-S H S-DR-S L Capture-DR L Capture-DR H S-IR-S H S-IR-S L Shift-DR H Exit1-DR L Capture-IR L Capture-IR L Pause-DR L Shift-IR H Exit1-IR L Pause-IR Table 8. TMS Sequencing From TAP State Run-Test/Idle FROM RUN-TEST/IDLE (TMS = L) TO: TEST-LOGIC-RESET RUN-TEST-IDLE SHIFT-DR PAUSE-DR SHIFT-IR PAUSE-IR NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE H S-DR-S L R-T/I H S-DR-S H S-DR-S H S-DR-S H S-DR-S H S-IR-S L Capture-DR L Capture-DR H S-IR-S H S-IR-S H T-L-R L Shift-DR H Exit1-DR L Capture-IR L Capture-IR L Pause-DR L Shift-IR H Exit1-IR L Pause-IR Table 9. TMS Sequencing From TAP State Pause-DR FROM PAUSE-DR (TMS = L) TO: TEST-LOGIC-RESET RUN-TEST-IDLE SHIFT-DR PAUSE-DR SHIFT-IR PAUSE-IR NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE NEXT TMS NEXT TAP STATE H Exit2-DR H Exit2-DR H Exit2-DR H Exit2-DR H Exit2-DR H Exit2-DR H Update-DR H Update-DR L Shift-DR H Update-DR H Update-DR H Update-DR H S-DR-S L R-T/I H S-DR-S H S-DR-S H S-DR-S H S-IR-S L Capture-DR H S-IR-S H S-IR-S H T-L-R H Exit1-DR L Capture-IR L Capture-IR L Pause-DR L Shift-IR H Exit1-IR L Pause-IR |
Numéro de pièce similaire - SN54LVT8980 |
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Description similaire - SN54LVT8980 |
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