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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC852T датащи(PDF) 16 Page - Freescale Semiconductor, Inc |
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MPC852T датащи(HTML) 16 Page - Freescale Semiconductor, Inc |
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16 / 80 page  MPC852T Hardware Specifications, Rev. 3.1 16 Freescale Semiconductor Bus Signal Timing B24 A(0:31) and BADDR(28:30) to CS asserted GPCM ACS = 10, TRLX = 0 (MIN = 0.25 x B1 - 2.00) 5.60 — 4.30 — 3.00 — 1.80 — ns B24a A(0:31) and BADDR(28:30) to CS asserted GPCM ACS = 11 TRLX = 0 (MIN = 0.50 x B1 - 2.00) 13.20 — 10.50 — 8.00 — 5.60 — ns B25 CLKOUT rising edge to OE, WE(0:3)/BS_B[0:3] asserted (MAX = 0.00 x B1 + 9.00) — 9.00 9.00 9.00 9.00 ns B26 CLKOUT rising edge to OE negated (MAX = 0.00 x 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 x B1 - 2.00) 35.90 — 29.30 — 23.00 — 16.90 — ns B27a A(0:31) and BADDR(28:30) to CS asserted GPCM ACS = 11, TRLX = 1 (MIN = 1.50 x B1 - 2.00) 43.50 — 35.50 — 28.00 — 20.70 — ns B28 CLKOUT rising edge to WE(0:3)/BS_B[0:3] negated GPCM write access CSNT = 0 (MAX = 0.00 x B1 + 9.00) — 9.00 — 9.00 — 9.00 — 9.00 ns B28a CLKOUT falling edge to WE(0:3)/BS_B[0:3] negated GPCM write access TRLX = 0,1 CSNT = 1, EBDF = 0 (MAX = 0.25 x B1 + 6.80) 7.60 14.30 6.30 13.00 5.00 11.80 3.80 10.50 ns B28b CLKOUT falling edge to CS negated GPCM write access TRLX = 0,1 CSNT = 1 ACS = 10 or ACS = 11, EBDF = 0 (MAX = 0.25 x B1 + 6.80) — 14.30 — 13.00 — 11.80 — 10.50 ns B28c CLKOUT falling edge to WE(0:3)/BS_B[0:3] negated GPCM write access TRLX = 0,1 CSNT = 1 write access TRLX = 0,1 CSNT = 1, EBDF = 1 (MAX = 0.375 x B1 + 6.6) 10.90 18.00 10.90 18.00 7.00 14.30 5.20 12.30 ns B28d CLKOUT falling edge to CS negated GPCM write access TRLX = 0,1 CSNT = 1, ACS = 10, or ACS = 11, EBDF = 1 (MAX = 0.375 x B1 + 6.6) — 18.00 — 18.00 — 14.30 — 12.30 ns B29 WE(0:3)/BS_B[0:3] negated to D(0:31), DP(0:3) High-Z GPCM write access, CSNT = 0, EBDF = 0 (MIN = 0.25 x B1 - 2.00) 5.60 — 4.30 — 3.00 — 1.80 — ns B29a WE(0:3)/BS_B[0:3] negated to D(0:31), DP(0:3) High-Z GPCM write access, TRLX = 0, CSNT = 1, EBDF = 0 (MIN = 0.50 x B1 - 2.00) 13.20 — 10.50 — 8.00 — 5.60 — ns Table 9. Bus Operation Timings (continued) Num Characteristic 33 MHz 40 MHz 50 MHz 66 MHz Unit Min Max Min Max Min Max Min Max |
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