FDC37B78X View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37B78X

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

SMSC -> Microchip 

SERIAL PORT

nIOW

nRTSx,

nDTRx

IRQx

nCTSx,

nDSRx,

nDCDx

IRQx

nIOW

IRQx

nIOR

nRIx

t1

t5

t2

t3

t6

t4

FIGURE 21 - SERIAL PORT TIMING

NAME

TABLE 100 - SERIAL PORT TIMING

DESCRIPTION

MIN TYP MAX UNITS

t1 nRTSx, nDTRx Delay from nIOW

200

ns

t2 IRQx Active Delay from nCTSx, nDSRx, nDCDx

100

ns

t3 IRQx Inactive Delay from nIOR (Leading Edge)

120

ns

t4 IRQx Inactive Delay from nIOW (Trailing Edge)

125

ns

t5 IRQx Inactive Delay from nIOW

10

100

ns

t6 IRQx Active Delay from nRIx

100

ns

239

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