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MPC885ZP80 Datasheet(PDF) 19 Page - NXP Semiconductors |
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MPC885ZP80 Datasheet(HTML) 19 Page - NXP Semiconductors |
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19 / 87 page  MPC885/MPC880 PowerQUICC Hardware Specifications, Rev. 7 Freescale Semiconductor 19 Bus Signal Timing B16b BB, BG, BR, valid to CLKOUT (setup time)2 (4MIN = 0.00 × B1 + 0.00) 4.00 — 4.00 — 4.00 — 4.00 — ns B17 CLKOUT to TA, TEA, BI, BB, BG, BR valid (hold time) (MIN = 0.00 × B1 + 1.003) 1.00 — 1.00 — 2.00 — 2.00 — ns B17a CLKOUT to KR, RETRY, CR valid (hold time) (MIN = 0.00 × B1 + 2.00) 2.00 — 2.00 — 2.00 — 2.00 — ns B18 D(0:31) valid to CLKOUT rising edge (setup time)4 (MIN = 0.00 × B1 + 6.00) 6.00 — 6.00 — 6.00 — 6.00 — ns B19 CLKOUT rising edge to D(0:31) valid (hold time)4 (MIN = 0.00 × B1 + 1.005) 1.00 — 1.00 — 2.00 — 2.00 — ns B20 D(0:31) valid to CLKOUT falling edge (setup time)6 (MIN = 0.00 × B1 + 4.00) 4.00 — 4.00 — 4.00 — 4.00 — ns B21 CLKOUT falling edge to D(0:31) valid (hold time)6 (MIN = 0.00 × B1 + 2.00) 2.00 — 2.00 — 2.00 — 2.00 — ns B22 CLKOUT rising edge to CS asserted GPCM ACS = 00 (MAX = 0.25 × B1 + 6.3) 7.60 13.80 6.30 12.50 3.80 10.00 3.13 9.43 ns B22a CLKOUT falling edge to CS asserted GPCM ACS = 10, TRLX = [0 or 1] (MAX = 0.00 × B1 + 8.00) — 8.00 — 8.00 — 8.00 — 8.00 ns B22b CLKOUT falling edge to CS asserted GPCM ACS = 11, TRLX = [0 or 1], EBDF = 0 (MAX = 0.25 × B1 + 6.3) 7.60 13.80 6.30 12.50 3.80 10.00 3.13 9.43 ns B22c CLKOUT falling edge to CS asserted GPCM ACS = 11, TRLX = [0 or 1], EBDF = 1 (MAX = 0.375 × B1 + 6.6) 10.90 18.00 10.90 16.00 5.20 12.30 4.69 10.93 ns B23 CLKOUT rising edge to CS negated GPCM read access, GPCM write access ACS = 00 and CSNT = 0 (MAX = 0.00 × B1 + 8.00) 2.00 8.00 2.00 8.00 2.00 8.00 2.00 8.00 ns B24 A(0:31) and BADDR(28:30) to CS asserted GPCM ACS = 10, TRLX = 0 (MIN = 0.25 × B1 – 2.00) 5.60 — 4.30 — 1.80 — 1.13 — ns B24a A(0:31) and BADDR(28:30) to CS asserted GPCM ACS = 11 TRLX = 0 (MIN = 0.50 × B1 – 2.00) 13.20 — 10.50 — 5.60 — 4.25 — ns B25 CLKOUT rising edge to OE, WE(0:3) asserted (MAX = 0.00 × B1 + 9.00) — 9.00 — 9.00 — 9.00 — 9.00 ns B26 CLKOUT rising edge to OE negated (MAX = 0.00 × B1 + 9.00) 2.00 9.00 2.00 9.00 2.00 9.00 2.00 9.00 ns B27 A(0:31) and BADDR(28:30) to CS asserted GPCM ACS = 10, TRLX = 1 (MIN = 1.25 × B1 – 2.00) 35.90 — 29.30 — 16.90 — 13.60 — 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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