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MPC8315ECVRAGDA датащи(PDF) 48 Page - Freescale Semiconductor, Inc |
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MPC8315ECVRAGDA датащи(HTML) 48 Page - Freescale Semiconductor, Inc |
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48 / 112 page ![]() MPC8315E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 0 48 Freescale Semiconductor I 2C Figure 32 provides the test access port timing diagram. Figure 32. Test Access Port Timing Diagram 13 I2C This section describes the DC and AC electrical characteristics for the I2C interface of the MPC8315E. 13.1 I2C DC Electrical Characteristics Table 47 provides the DC electrical characteristics for the I2C interface. Table 47. I2C DC Electrical Characteristics At recommended operating conditions with NVDD of 3.3 V ± 300 mv Parameter Symbol Min Max Unit Notes Input high voltage level VIH 0.7 × NVDD NVDD + 0.3 V — Input low voltage level VIL –0.3 0.3 × NVDD V — Low level output voltage VOL 00.2 × NVDD V 1 High level output voltage VOH 0.8 × NVDD NVDD + 0.3 V — Output fall time from VIH(min) to VIL(max) with a bus capacitance from 10 to 400 pF tI2KLKV 20 + 0.1 × CB 250 ns 2 Pulse width of spikes which must be suppressed by the input filter tI2KHKL 050 ns 3 Capacitance for each I/O pin CI —10 pF — VM = Midpoint Voltage (NVDD/2) VM VM tJTIVKH tJTIXKH JTAG External Clock Output Data Valid tJTKLOX tJTKLOZ tJTKLOV Input Data Valid Output Data Valid TDI, TMS TDO TDO |
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