SMC91C95 Ver la hoja de datos (PDF) - SMSC -> Microchip

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SMC91C95

ISA/PCMCIA Full Duplex Single-Chip Ethernet and Modem Controller with RAM

SMSC -> Microchip 

A0-15

(ISA)

AEN,

nSBHE

nIOCS16

nIOWR

IOCHRDY

Z

VALID ADDRESS

t9

t18

Z

D0-D15

VALID DATA IN

Parameter

min

typ

max

units

t9

Control Active to IOCHRDY Low

t18

IOCHRDY Width when Data Register is Full

15

ns

425

ns

IOCHRDY is used instead of meeting t20 and t44.

'No Wait St' bit is 1 - IOCHRDY only negated if needed and only for Data Register access.

FIGURE 31 - DATA REGISTER SPECIAL WRITE ACCESS

123

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