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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC8315ECVRAGDA датащи(PDF) 75 Page - Freescale Semiconductor, Inc |
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MPC8315ECVRAGDA датащи(HTML) 75 Page - Freescale Semiconductor, Inc |
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75 / 112 page  MPC8315E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 0 Freescale Semiconductor 75 IPIC 19.2 GPIO AC Timing Specifications Table 63 provides the GPIO input and output AC timing specifications. Figure 55 provides the AC test load for the GPIO. Figure 55. GPIO AC Test Load 20 IPIC This section describes the DC and AC electrical specifications for the external interrupt pins of the MPC8315E. 20.1 IPIC DC Electrical Characteristics Table 64 provides the DC electrical characteristics for the external interrupt pins. Table 63. GPIO Input AC Timing Specifications Characteristic Symbol 1 Min Unit GPIO inputs—minimum pulse width tPIWID 20 ns Notes: 1. GPIO inputs and outputs are asynchronous to any visible clock. GPIO outputs should be synchronized before use by any external synchronous logic. GPIO inputs are required to be valid for at least tPIWID ns to ensure proper operation. Table 64. IPIC DC Electrical Characteristics Characteristic Symbol Condition Min Max Unit Input high voltage VIH — 2.1 NVDD + 0.3 V Input low voltage VIL — –0.3 0.8 V Input current IIN —— ±5 μA Output high voltage VOH IOH = –8.0 mA 2.4 — V Output low voltage VOL IOL = 8.0 mA — 0.5 V Output low voltage VOL IOL = 3.2 mA — 0.4 V Output Z0 = 50 Ω NVDD/2 RL = 50 Ω |
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