A8251 Ver la hoja de datos (PDF) - Altera Corporation

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A8251

Programmable Communications Interface

Altera Corporation 

Timing

Waveforms

a8251 Programmable Communications Interface Data Sheet

Figure 9 shows the read and write control cycles for the a8251.

Figure 9. Read & Write Control Cycles

The X indicates “don’t care.”

Read Control

ndsr, ncts

ncs

cnd

X

nrd

dout

X

Valid Data

Write Control

ndtr, nrts

ncs

cnd

X

nwr

din

X

Valid Data

Altera Corporation

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