Rainbow-electronics DS1254 Manual do Utilizador descarregar pdf (Página 10)

DS1254

10 of 17

Figure 4. MEMORY READ CYCLE TIMING (Note 9)

Figure 5. MEMORY WRITE CYCLE TIMING, WRITE ENABLE CONTROLLED

(Notes 5, 6, 8, 10, 11, 12, and 13)

t

RC

ADDRESS

t

ACC

CE

OE

DQ0–DQ7

t

OH

t

CO

t

OE

t

COE

t

COE

t

OD

t

OD

OUTPUT

DATA VALID

t

WC

t

AH1

t

AW

t

OEW

t

DS

DATA IN

STABLE

t

DH1

t

ODW

t

WP

ADDRESS

CE

WE

DQ0–DQ7

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 16 17

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