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AM652X Fiches technique(PDF) 215 Page - Texas Instruments |
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AM652X Fiches technique(HTML) 215 Page - Texas Instruments |
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215 / 277 page ![]() CPTS_RFT_CLK T3 T4 T5 CPTS_HWTSPUSH T1 T2 215 AM6548, AM6528, AM6546 AM6526, AM6527 www.ti.com SPRSP08I – NOVEMBER 2017 – REVISED DECEMBER 2019 Submit Documentation Feedback Product Folder Links: AM6548 AM6528 AM6546 AM6526 AM6527 Specifications Copyright © 2017–2019, Texas Instruments Incorporated For more information, see section Multimedia Card/Secure Digital (eMMC/SD/SDIO) Interface in the device TRM. 5.9.5.17 NAVSS Table 5-81, Table 5-82, Figure 5-82, and Figure 5-83 present timing requirement and switching characteristics of the CPTS interface. Table 5-81. Timing Requirements for CPTS Input NO. PARAMETER DESCRIPTION MIN MAX UNIT T1 tw(HWTSPUSHH) HWTSPUSH Pulse duration, high 6 + 12P(1) ns T2 tw(HWTSPUSHL) HWTSPUSH pulse duration, low 6 + 12P(1) ns T3 tc(RFT_CLK) RFT_CLK cycle time 5 8 ns T4 tw(RFT_CLKH) RFT_CLK pulse duration, high 0.45 × tc(RFT_CLK) ns T5 tw(RFT_CLKL) RFT_CLK pulse duration, low 0.45 × tc(RFT_CLK) ns (1) P = functional clock period in ns. Figure 5-82. CPTS Input Timing Table 5-82. Switching Characteristics for CPTS Output NO. PARAMETER DESCRIPTION MIN MAX UNIT T6 tw(TS_COMPH) NAVSS-CPTS TS_COMP, high -6+36P (1) ns T7 tw(TS_COMPL) NAVSS-CPTS TS_COMP, low -6+36P (1) ns T8 tw(TS_COMPH) CPSW-CPTS TS_COMP, high -6+36P (1) ns T9 tw(TS_COMPL) CPSW-CPTS TS_COMP, low -6+36P (1) ns T10 tw(TS_SYNCH) NAVSS-CPTS TS_SYNC, high -6+36P (1) ns T11 tw(TS_SYNCL) NAVSS-CPTS TS_SYNC, low -6+36P (1) ns T12 tw(TS_SYNCH) CPSW-CPTS TS_SYNC, high -6+36P (1) ns T13 tw(TS_SYNCL) CPSW-CPTS TS_SYNC, low -6+36P (1) ns T14 tw(SYNC_OUTH) TS_SYNC sourcing SYNCn_OUT, high -6+36P (1) ns T15 tw(SYNC_OUTL) TS_SYNC sourcing SYNCn_OUT, low -6+36P (1) ns T16 tw(SYNC_OUTH) GENF sourcing SYNCn_OUT, high -6+5P (1) ns T17 tw(SYNC_OUTL) GENF sourcing SYNCn_OUT, low -6+5P (1) ns |
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