Intel UPI-C42 Manual do Utilizador descarregar pdf (Página 13)

UPI-C42/UPI-L42

SYNC MODE TIMING DIAGRAMS

290414–15

Minimum Specifications

SYNC Operation Time, t

SYNC

e

3.5 XTAL 2 Clock cycles. Reset Time, t

RS

e

4t

CY

.

NOTE:

The rising and falling edges of T0 should occur during low state of XTAL 2 clock.

APPLICATIONS

290414–12

Figure 7. UPI-C42 Keyboard Controller

290414–9

Figure 8. 8088-UPI-C42 Interface

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