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TMS570LS0714
SPNS226E –JUNE 2013–REVISED NOVEMBER 2016
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System Information and Electrical Specifications Copyright © 2013–2016, Texas Instruments Incorporated
(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, and so forth) without also generating a valid reset signal to the CPU.
6.8 Glitch Filters
A glitch filter is present on the following signals.
Table 6-19. Glitch Filter Timing Specifications
PIN PARAMETER MIN MAX UNIT
nPORRST t
f(nPORRST)
Filter time nPORRST pin; pulses less than MIN will be filtered out, pulses
greater than MAX will generate a reset
(1)
475 2000 ns
nRST t
f(nRST)
Filter time nRST pin; pulses less than MIN will be filtered out, pulses
greater than MAX will generate a reset
475 2000 ns
TEST t
f(TEST)
Filter time TEST pin; pulses less than MIN will be filtered out, pulses
greater than MAX will pass through
475 2000 ns
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