FDC37B78X 查看數據表（PDF） - SMSC -> Microchip

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FDC37B78X

Enhanced Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR

SMSC -> Microchip 

Button Timing

B u tton_In

tF

tR

FIGURE 9 - BUTTON INPUT TIMING

NAME

TABLE 89 - BUTTON INPUT TIMING

DESCRIPTION

MIN TYP MAX UNITS

tR, tF Button_In Rise/Fall Time

0.5

µs

B u tto n _ In

n P o w e rO n

B la n k in g P e rio d

t1

R e le a s e

t2

t3

Vcc

FIGURE 10 - BUTTON OVERRIDE TIMING

TABLE 90 - BUTTON OVERRIDE TIMING

NAME

DESCRIPTION

MIN TYP

t1 Button_In Hold Time For Override Event

4

t2 Button _In Low To nPowerOn Tristate and Vcc Low and

4

Start of Blanking Period

t3 Blanking Period After Release of Button_In

4

MAX

UNITS

s

s

s

227

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