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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M66596FP датащи(PDF) 107 Page - Renesas Technology Corp |
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M66596FP датащи(HTML) 107 Page - Renesas Technology Corp |
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107 / 131 page  M66596FP/WG rev .1.00 2006.3.14 page 107 of 127 4.9.1 CPU access timing(when a separate bus is set) 4.9.1.1 CPU access write timing (when a separate bus is set) 30 tsuw(A) thw(A) 33 tw(cycle) tw(CTRL) trec(CTRL), trecr(CTRL) 47 39 Note 1-1 tsu(D) th(D) 43 44 A6-A1 CS_N D15-D0 Note 1-2 Address determination 40 41 Data determination Note 1-4 WR1_N, WR0_N 4.9.1.2 CPU access read timing (when a separate bus is set) 31 tsur(A) thr(A) tw(cycle) twr(CTRL) trec(CTRL), trecr(CTRL) 47 42 Note 1-1 tv(CTRL-D) tdis(CTRL-D) 5 ten(CTRL-D) 6 40 41 ta(CTRL-D) 3 ta(A) 1 CS_N D15-D0 Note 1-3 2 34 tv(A) 4 Note 1-1 Note 1-4 Address determination Data determination RD_N Note 1-1: tw (cycle) and trec (CTRL) are necessary when accessing the FIFO. Note 1-2: The control signal when writing data is a combination of CS_N, WR1_N, and WR0_N. Note 1-3: The control signal when reading data is a combination of CS_N and RD_N. Note 1-4: RD_N, WR0_N and WR1_N should not be timed to fall at the same time that CS_N is rising. Similarly, CS_N should not be timed to fall at the same timing that WR0_N and WR1_N are rising. In the instances noted above, an interval of at least 10 ns must be left open. |
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