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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC880CZP133 датащи(PDF) 22 Page - NXP Semiconductors |
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MPC880CZP133 датащи(HTML) 22 Page - NXP Semiconductors |
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22 / 87 page  MPC885/MPC880 PowerQUICC Hardware Specifications, Rev. 7 22 Freescale Semiconductor Bus Signal Timing B32 CLKOUT falling edge to BS valid, as requested by control bit BST4 in the corresponding word in the UPM (MAX = 0.00 × B1 + 6.00) 1.50 6.00 1.50 6.00 1.50 6.00 1.50 6.00 ns B32a CLKOUT falling edge to BS valid, as requested by control bit BST1 in the corresponding word in the UPM, EBDF = 0 (MAX = 0.25 × B1 + 6.80) 7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00 ns B32b CLKOUT rising edge to BS valid, as requested by control bit BST2 in the corresponding word in the UPM (MAX = 0.00 × B1 + 8.00) 1.50 8.00 1.50 8.00 1.50 8.00 1.50 8.00 ns B32c CLKOUT rising edge to BS valid, as requested by control bit BST3 in the corresponding word in the UPM (MAX = 0.25 × B1 + 6.80) 7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00 ns B32d CLKOUT falling edge to BS valid, as requested by control bit BST1 in the corresponding word in the UPM, EBDF = 1 (MAX = 0.375 × B1 + 6.60) 13.30 18.00 11.30 16.00 7.60 12.30 4.49 11.30 ns B33 CLKOUT falling edge to GPL valid, as requested by control bit GxT4 in the corresponding word in the UPM (MAX = 0.00 × B1 + 6.00) 1.50 6.00 1.50 6.00 1.50 6.00 1.50 6.00 ns B33a CLKOUT rising edge to GPL valid, as requested by control bit GxT3 in the corresponding word in the UPM (MAX = 0.25 × B1 + 6.80) 7.60 14.30 6.30 13.00 3.80 10.50 3.13 10.00 ns B34 A(0:31), BADDR(28:30), and D(0:31) to CS valid, as requested by control bit CST4 in the corresponding word in the UPM (MIN = 0.25 × B1 – 2.00) 5.60 — 4.30 — 1.80 — 1.13 — ns B34a A(0:31), BADDR(28:30), and D(0:31) to CS valid, as requested by control bit CST1 in the corresponding word in the UPM (MIN = 0.50 × B1 – 2.00) 13.20 — 10.50 — 5.60 — 4.25 — ns B34b A(0:31), BADDR(28:30), and D(0:31) to CS valid, as requested by CST2 in the corresponding word in UPM (MIN = 0.75 × B1 – 2.00) 20.70 — 16.70 — 9.40 — 6.80 — ns B35 A(0:31), BADDR(28:30) to CS valid, as requested by control bit BST4 in the corresponding word in the UPM (MIN = 0.25 × B1 – 2.00) 5.60 — 4.30 — 1.80 — 1.13 — ns B35a A(0:31), BADDR(28:30), and D(0:31) to BS valid, as requested by BST1 in the corresponding word in the UPM (MIN = 0.50 × B1–2.00) 13.20 — 10.50 — 5.60 — 4.25 — ns B35b A(0:31), BADDR(28:30), and D(0:31) to BS valid, as requested by control bit BST2 in the corresponding word in the UPM (MIN = 0.75 × B1 – 2.00) 20.70 — 16.70 — 9.40 — 7.40 — ns Table 9. Bus Operation Timings (continued) Num Characteristic 33 MHz 40 MHz 66 MHz 80 MHz Unit Min Max Min Max Min Max Min Max |
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