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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC8306EC датащи(PDF) 43 Page - Freescale Semiconductor, Inc |
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MPC8306EC датащи(HTML) 43 Page - Freescale Semiconductor, Inc |
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43 / 76 page  MPC8306 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 0 Freescale Semiconductor 43 GPIO 17 GPIO This section describes the DC and AC electrical specifications for the GPIO of the MPC8306. 17.1 GPIO DC Electrical Characteristics Table 11 provides the DC electrical characteristics for the MPC8306 GPIO. 17.2 GPIO AC Timing Specifications Table 45 provides the GPIO input and output AC timing specifications. Figure 32 provides the AC test load for the GPIO. Figure 32. GPIO AC Test Load Table 44. GPIO DC Electrical Characteristics Characteristic Symbol Condition Min Max Unit Notes Output high voltage VOH IOH = –6.0 mA 2.4 — V 1 Output low voltage VOL IOL = 6.0 mA — 0.5 V 1 Output low voltage VOL IOL = 3.2 mA — 0.4 V 1 Input high voltage VIH —2.0 OVDD +0.3 V 1 Input low voltage VIL —–0.3 0.8 V — Input current IIN 0 V VIN OVDD — ±5 A— Note: 1. This specification applies when operating from 3.3-V supply. Table 45. GPIO Input AC Timing Specifications1 Characteristic Symbol2 Min Unit GPIO inputs—minimum pulse width tPIWID 20 ns Notes: 1. Input specifications are measured from the 50% level of the signal to the 50% level of the rising edge of SYS_CLK_IN. Timings are measured at the pin. 2. 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. Output Z0 = 50 OVDD/2 RL = 50 |
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