8155/8156/8155-2/8156-2

a. Strobed Input Mode

 

 

BF

/

\

 

tSBF

 

~r-../

I - t5S -

INTR

~~~

t RBE -

------

7\\ \"7

/

L

\.

 

/

......--tpsst pHS

INPUT DATA

~

~

FROM PORT

 

 

b. Strobed Output Mode

BF

tWBF

J\~~-)'I_~

INTR

//

'WI\ ) J / j

I------- t--twp

OUTPUT DATA

~

 

TO PORT

 

Figure 13. Strobed 1/0 Timing

6-94

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Image 237
Intel mcs-48 manual 8155/8156/8155-2/8156-2, WI\ J / j