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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) 74 Page - Freescale Semiconductor, Inc |
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MPC8315ECVRAGDA датащи(HTML) 74 Page - Freescale Semiconductor, Inc |
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74 / 112 page  MPC8315E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 0 74 Freescale Semiconductor GPIO 18.2 Timers AC Timing Specifications Table 61 provides the timers input and output AC timing specifications. Figure 54 provides the AC test load for the Timers. Figure 54. Timers AC Test Load 19 GPIO This section describes the DC and AC electrical specifications for the GPIO of the MPC8315E. 19.1 GPIO DC Electrical Characteristics Table 62 provides the DC electrical characteristics for the GPIO. Table 61. Timers Input AC Timing Specifications Characteristic Symbol 1 Min Unit Timers inputs—minimum pulse width tTIWID 20 ns Notes: 1. Timers inputs and outputs are asynchronous to any visible clock. Timers outputs should be synchronized before use by any external synchronous logic. Timers input are required to be valid for at least tTIWID ns to ensure proper operation. Table 62. GPIO DC Electrical Characteristics Characteristic Symbol Condition Min Max Unit 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 Input high voltage VIH — 2.1 NVDD + 0.3 V Input low voltage VIL — –0.3 0.8 V Input current IIN 0 V ≤ VIN ≤ NVDD — ± 5 μA Output Z0 = 50 Ω NVDD/2 RL = 50 Ω |
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