Datasheet

88
RM57L843
SPNS215C –FEBRUARY 2014–REVISED JUNE 2016 www.ti.com
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System Information and Electrical Specifications Copyright © 2014–2016, 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, forth) without also generating a valid reset signal to the CPU.
6.8 Glitch Filters
Table 6-24 lists the signals with glitch filters present .
Table 6-24. Glitch Filter Timing Specifications
TERMINAL PARAMETER MIN MAX UNIT
nPORRST t
f(nPORRST)
Filter time nPORRST terminal; 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 terminal; 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 terminal; pulses less than MIN will be filtered out, pulses
greater than MAX will pass through
475 2000 ns