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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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ST25DV64KC Datenblatt(PDF) 34 Page - STMicroelectronics |
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ST25DV64KC Datenblatt(HTML) 34 Page - STMicroelectronics |
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34 / 203 page  RF_USER: • GPO output level is controlled by Manage GPO command (set or reset) • When RF_USER is activated, GPO level is changed after EOF of ST25DVxxKC response to a Manage GPO set or reset command (see Section 7.6.30 Manage GPO). • RF_USER is prevalent over all other GPO events when set by Manage GPO command (other interrupts are still visible in IT_STS_Dyn status register, but do not change GPO output level). Figure 17. RF_USER chronogram 2) VCD sends a ManageGPO command with value 01h (reset GPO) and ST25DVxxKC replies. GPO/RF_USER is set high-Z low after ST25DVxxKC response. S O F E O F 4) VCD sends a ManageGPO command (any value) and ST25DVxxKC stays quiet (command not for this VICC, or quiet state). GPO/RF_USER remains high-Z. ManageGPO command GPO/RF_USER GPO/RF_USER S O F ManageGPO 01h command E O F 1) VCD sends a ManageGPO command with value 00h (set GPO) and ST25DVxxKC replies. GPO/RF_USER is tied low after ST25DVxxKC response. t1 GPO/RF_USER S O F E O F ST25DVxxKC reply S O F ManageGPO 00h command E O F 3) VCD sends a ManageGPO command (any value) and ST25DVxxKC replies with error. GPO/RF_USER remains high-Z. GPO/RF_USER S O F ManageGPO command E O F t1 S O F E O F ST25DVxxKC reply t1 S O F E O F ST25DVxxKC reply 5) VCD sends any command other than ManageGPO command and ST25DVxxKC replies. GPO/RF_USER remains high-Z. GPO/RF_USER S O F Any other command E O F t1/Wt S O F E O F ST25DVxxKC reply ST25DV04KC ST25DV16KC ST25DV64KC GPO DS13519 - Rev 3 page 34/203 |
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