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SMCXXXBF датащи(PDF) 29 Page - STMicroelectronics |
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SMCXXXBF датащи(HTML) 29 Page - STMicroelectronics |
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29 / 91 page ![]() SMCxxxBF Command Interface 29/91 Figure 7. I/O Write waveforms 1. DIN signifies data provided by the system to the CompactFlash Memory Card. 2. -IOIS16 and -INPACK are not supported in this mode. 3. tdfIOIS16(A) tAVISL IOIS16 delay falling from Address 35 ns ns tdrIOIS16(A) tAVISH IOIS16 delay rising from Address 35 ns ns 1. ST CF does not assert the WAIT signal. 2. -IOIS16 is not supported in this mode. Table 21. I/O Write timing(1) Cycle Time Mode 250ns 120ns 100ns 80ns Unit Symbol IEEE Symbol Parameter Min Max Min Max Min Max Min Max tsu(IOWR) tQVIWH Data Setup before IOWR 60 20 20 15 ns th(IOWR) tIWHQX Data Hold following IOWR 30 10 5 5 ns tw(IOWR) tIWLIWH IOWR Width Time 165 70 65 55 ns tsuA(IOWR) tAVIWL Address Setup before IOWR 70 25 25 15 ns thA(IOWR) tIWHAX Address Hold following IOWR 20 20 10 10 ns tsuCE(IOWR) tELIWL CE Setup before IOWR 5 5 5 5 ns Table 20. I/O Read timing(1) (continued) Cycle Time Mode 250ns 120ns 100ns 80ns Unit Symbol IEEE Symbol Parameter Min Max Min Max Min Max Min Max AI10085b Address Inputs D0 to D15 (DIN) VALID –REG –CE2/–CE1 –IOWR tsuCE(IOWR) tsuA(IOWR) DIN VALID –IOIS16 tsuREG(IOWR) thA(IOWR) thREG(IOWR) thCE(IOWR) tsu(IOWR) tdrIOIS16(ADR) tdfIOIS16(ADR) th(IOWR) tw(IOWR) |
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