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RX634 Arkusz danych(PDF) 79 Page - Renesas Technology Corp |
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RX634 Arkusz danych(HTML) 79 Page - Renesas Technology Corp |
79 / 106 page R01DS0255EJ0100 Rev.1.00 Page 79 of 106 Feb 25, 2015 RX634 Group 5. Electrical Characteristics Figure 5.18 Example of Operation in Read Access over the External Bus (Multiplexed) Figure 5.19 Example of Operation in Write Access over the External Bus (Multiplexed) Address/ data bus Data read (RD#) tAD BCLK Address Address latch (ALE) Chip select (CS3# to CS0#) TW1 TWn tAD tAD tSU(DB-RD) 40 ns (min) Tend Address cycle Data cycle tALED tCSD tCSD Tn1 Th 1 cycle fixed Address cycle wait (AWAIT) tS(DB-RD) 0 ns (min) tRSD tRSS tRSD tRSS Read-access CS extension cycle (CSROFF) tALED RD assert wait (RDON) Normal read cycle wait (CSRWAIT) CS assert wait (CSON) A D tRDH tRDS td(AD-ALE) th(ALE-AD) Address/ data bus Data write (WR#) tAD BCLK Address Address latch (ALE) Chip select (CS3# to CS0#) TW1 tAD tAD Tend Address cycle Data cycle tCSD tCSD Tn1 Th 1 cycle fixed td(BCLK-ALE)=tALED Address cycle wait (AWAIT) tRSD tRSS tRSD tRSS WR assert wait (WRON) Normal write cycle wait (CSRWAIT) A D Write data output wait (WDON) td(BCLK-ALE)=tALED A Read-access CS extension cycle (CSROFF) |
Podobny numer części - RX634 |
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Podobny opis - RX634 |
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