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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC8572ECLPXARLD датащи(PDF) 69 Page - Freescale Semiconductor, Inc |
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MPC8572ECLPXARLD датащи(HTML) 69 Page - Freescale Semiconductor, Inc |
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69 / 140 page  MPC8572E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 4 Freescale Semiconductor 69 GPIO Figure 40 provides the AC test load for the I2C. Figure 40. I2C AC Test Load Figure 41 shows the AC timing diagram for the I2C bus. Figure 41. I2C Bus AC Timing Diagram 14 GPIO This section describes the DC and AC electrical specifications for the GPIO interface of the MPC8572E. 14.1 GPIO DC Electrical Characteristics Table 55 provides the DC electrical characteristics for the GPIO interface operating at BVDD = 3.3 V DC. Table 55. GPIO DC Electrical Characteristics (3.3 V DC) Parameter Symbol Min Max Unit Supply voltage 3.3V BVDD 3.13 3.47 V High-level input voltage VIH 2BVDD + 0.3 V Low-level input voltage VIL –0.3 0.8 V Input current (BVIN 1 = 0 V or BV IN =BVDD) IIN —±5 μA High-level output voltage (BVDD =min, IOH =–2 mA) VOH BVDD –0.2 — V Low-level output voltage (BVDD =min, IOL =2 mA) VOL —0.2 V Note: 1. Note that the symbol BVIN, in this case, represents the BVIN symbol referenced in Table 1. Output Z0 = 50 Ω OVDD/2 RL = 50 Ω Sr S SDA SCL tI2SXKL tI2CL tI2CH tI2DXKL tI2DVKH tI2SXKL tI2SVKH tI2KHKL tI2PVKH PS |
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