SMC Networks SMC91C95 Manuel d'utilisateur télécharger pdf (Page 125)

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FIGURE 34 - ISA REGISTER ACCESS WHEN USING BALE

AEN

nIOCS16

A0-15,

nSBHE

nIORD

BALE

nIOWR

VALID

t15

Address, nSBHE Setup to BALE Falling

Address, nSBHE Hold after BALE Falling

Address, nSBHE, AEN Setup to Control Active

AEN Hold after Control Inactive

A4-A15, AEN Low, BALE High to nIOCS16 Low

Parameter

min

typ

max

units

t4 not needed. nIOCS16 not relevant in 8-bit mode.

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SMC Networks SMC91C95 Manuel d'utilisateur Page 125