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SPC5644AF0MLU2 데이터시트(PDF) 86 Page - Freescale Semiconductor, Inc |
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SPC5644AF0MLU2 데이터시트(HTML) 86 Page - Freescale Semiconductor, Inc |
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86 / 138 page ![]() MPC5644A Microcontroller Data Sheet, Rev. 7 Freescale Semiconductor 86 3.9.1 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 input and output pin VRC33 currents for all I/O segments. The output pin VRC33 current can be calculated from Table 23 based on the voltage, frequency, and load on all fast pad pins. The input pin VRC33 current can be calculated from Table 23 based on the voltage, frequency, and load on all medium-speed pads. Use linear scaling to calculate pin currents for voltage, frequency, and load parameters that fall outside the values given in Table 23. Table 23. I/O pad VRC33 average IDDE specifications1 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. Drive 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 20 50 11 33.4 35.4 CC D 30 50 01 33.4 34.8 CC D 117 50 00 33.4 33.8 CC D 212 200 00 33.4 33.7 MultiV4 (Low Swing Mode) 4 In low swing mode, multi-voltage pads must operate in highest slew rate setting. IDRV_MULTV_HV CC D 30 30 11 33.4 34.9 |
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