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MPC5634M Datasheet(PDF) 86 Page - Freescale Semiconductor, Inc |
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MPC5634M Datasheet(HTML) 86 Page - Freescale Semiconductor, Inc |
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86 / 132 page ![]() MPC5634M Microcontroller Data Sheet, Rev. 8 Freescale Semiconductor 86 4.9.1 I/O pad VRC33 current specifications The power consumption of the VRC33 supply is dependent on the usage of the pins on all I/O segments. The power consumption is the sum of all output pin VRC33 currents for all I/O segments. The output pin VRC33 current can be calculated from Table 21 based on the voltage, frequency, and load on all medium, slow, and multv_hv pins. The output pin VRC33 current can be calculated from Table 22 based on the voltage, frequency, and load on all fast pins. Use linear scaling to calculate pin currents for voltage, frequency, and load parameters that fall outside the values given in Table 21 and Table 22. 4 Ratio from 5.5 V pad spec to 5.25 V data sheet. 5 Not specified. 6 Low swing mode is not a strong function of V DDE. Table 21. I/O pad VRC33 average IDDE specifications 1 1 These are typical values that are estimated from simulation and not tested. Currents apply to output pins only. Pad Type Symbol C Period (ns) Load2 (pF) 2 All loads are lumped. Slew Rate Select IDD33 Avg (µA) IDD33 RMS (µA) Slow IDRV_SSR_HV CC D 100 50 11 0.8 235.7 CC D 200 50 01 0.04 87.4 CC D 800 50 00 0.06 47.4 CC D 800 200 00 0.009 47 Medium IDRV_MSR_HV CC D 40 50 11 2.75 258 CC D 100 50 01 0.11 76.5 CC D 500 50 00 0.02 56.2 CC D 500 200 00 0.01 56.2 MultiV3 (High Swing Mode) 3 Average current is for pad configured as output only. IDRV_MULTV_HV CC D 40 50 11 2.75 258 CC D 100 50 01 0.11 76.5 CC D 500 50 00 0.02 56.2 CC D 500 200 00 0.01 56.2 MultiV4 (Low Swing Mode) 4 In low swing mode, multi-voltage pads (pad_multv_hv) must operate in highest slew rate setting. IDRV_MULTV_HV CC D 40 30 11 2.75 258 CC D 100 30 11 0.11 76.5 CC D 500 30 11 0.02 56.2 CC D 500 30 11 0.01 56.2 |
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