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MPC855 Fiches technique(PDF) 34 Page - Motorola, Inc |
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MPC855 Fiches technique(HTML) 34 Page - Motorola, Inc |
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34 / 76 page ![]() 34 MPC860 Family Hardware Specifications MOTOROLA Bus Signal Timing Figure 9-23. Interrupt Detection Timing for External Edge Sensitive Lines Table 9-8 shows the PCMCIA timing for the MPC860. Table 9-8. PCMCIA Timing Num Characteristic 33 MHz 40 MHz 50 MHz 66 MHz Unit Min Max Min Max Min Max Min Max P44 A(0:31), REG valid to PCMCIA Strobe asserted 1 20.73 — 16.75 — 13.00 — 9.36 — ns P45 A(0:31), REG valid to ALE negation 1 28.30 — 23.00 — 18.00 — 13.15 — ns P46 CLKOUT to REG valid 7.58 15.58 6.25 14.25 5.00 13.00 3.79 11.84 ns P47 CLKOUT to REG invalid 8.58 — 7.25 — 6.00 — 4.84 — ns P48 CLKOUT to CE1, CE2 asserted 7.58 15.58 6.25 14.25 5.00 13.00 3.79 11.84 ns P49 CLKOUT to CE1, CE2 negated 7.58 15.58 6.25 14.25 5.00 13.00 3.79 11.84 ns P50 CLKOUT to PCOE, IORD, PCWE, IOWR assert time — 11.00 11.00 — 11.00 — 11.00 ns P51 CLKOUT to PCOE, IORD, PCWE, IOWR negate time 2.00 11.00 2.00 11.00 2.00 11.00 2.00 11.00 ns P52 CLKOUT to ALE assert time 7.58 15.58 6.25 14.25 5.00 13.00 3.79 10.04 ns P53 CLKOUT to ALE negate time — 15.58 14.25 — 13.00 — 11.84 ns P54 PCWE, IOWR negated to D(0:31) invalid 1 5.58 — 4.25 — 3.00 — 1.79 — ns P55 WAITA and WAITB valid to CLKOUT rising edge 1 8.00 — 8.00 — 8.00 — 8.00 — ns P56 CLKOUT rising edge to WAITA and WAITB invalid 1 2.00 — 2.00 — 2.00 — 2.00 — ns CLKOUT IRQx I41 I42 I43 I43 |
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