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MPC8315ECVRAGDA датащи(PDF) 42 Page - Freescale Semiconductor, Inc |
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MPC8315ECVRAGDA датащи(HTML) 42 Page - Freescale Semiconductor, Inc |
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42 / 112 page ![]() MPC8315E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 0 42 Freescale Semiconductor Local Bus 11 Local Bus This section describes the DC and AC electrical specifications for the local bus interface of the MPC8315E. 11.1 Local Bus DC Electrical Characteristics Table 43 provides the DC electrical characteristics for the local bus interface. 11.2 Local Bus AC Electrical Specifications Table 44 describes the general timing parameters of the local bus interface of the MPC8315E. Table 43. DC Electrical Characteristics (when Operating at 3.3 V) Parameter Symbol Min Max Unit Output high voltage (NVDD = min, IOH = –2 mA) VOH NVDD – 0.2 — V Output low voltage (NVDD = min, IOL = 2 mA) VOL —0.2 V Input high voltage VIH 2NVDD + 0.3 V Input low voltage VIL –0.3 0.8 V Input high current (VIN = 0 V or VIN = NVDD) IIN —±5 μA Table 44. Local Bus General Timing Parameters Parameter Symbol 1 Min Max Unit Notes Local bus cycle time tLBK 15 — ns 2 Input setup to local bus clock tLBIVKH 7— ns 3, 4 Input hold from local bus clock tLBIXKH 1.0 — ns 3, 4 LALE output fall to LAD output transition (LATCH hold time) tLBOTOT1 1.5 — ns 5 LALE output fall to LAD output transition (LATCH hold time) tLBOTOT2 3— ns 6 LALE output fall to LAD output transition (LATCH hold time) tLBOTOT3 2.5 — ns 7 |
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