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TMS570LS3137 数据表(PDF) 69 Page - Texas Instruments |
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TMS570LS3137 数据表(HTML) 69 Page - Texas Instruments |
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69 / 159 page  TMS570LS3137 www.ti.com SPNS162. – SEPTEMBER 2011 4.8 Glitch Filters A glitch filter is present on the following signals. Table 4-20. Glitch Filter Timing Specifications Pin Parameter MIN MAX Unit nPORRST tf(nPORRST) 500 2000 ns Filter time nPORRST pin; pulses less than MIN will be filtered out, pulses greater than MAX will generate a reset(1) nRST tf(nRST) 500 2000 ns Filter time nRST pin; pulses less than MIN will be filtered out, pulses greater than MAX will generate a reset TEST tf(TEST) 500 2000 ns Filter time TEST pin; pulses less than MIN will be filtered out, pulses greater than MAX will pass through (1) The glitch filter design on the nPORRST signal is designed such that no size pulse will reset any part of the microcontroller (flash pump, I/O pins, etc.) without also generating a valid reset signal to the CPU. Copyright © 2011, Texas Instruments Incorporated System Information and Electrical Specifications 69 Submit Documentation Feedback focus.ti.com: TMS570LS3137 |
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