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Burst-of-eight rom timing diagram -20, Figure 10-6 – Intel STRONGARM SA-1100 User Manual

Page 134

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10-20

SA-1100

Developer’s Manual

Memory and PCMCIA Control Module

Figure 10-6. Burst-of-Eight ROM Timing Diagram

A4780-01

Memory Clock

Note: One extra CPU cycle (1/2 memory cycle) is added to the first access after nCS is asserted.
In this example, MSC0:SCNFG0:RDF = 12 (decimal), RDN = 4, RRR = 2.

nCS0

RDF+1.5

RDN+1 RDN+1 RDN+1 RDN+1 RDN+1 RDN+1 RDN+1

(2*RRR)+1

A[25:5]

A[4:2]

Input Data

Input Data

nCS1

Latch

nOE

0

D0

D1

D2

D4

D5

1

2

3

4

5

6

7

Note: One extra CPU cycle (1/2 memory cycle) is added to the first access after nCS is as
In this example, MSC0:SCNFG0:RDF=12(decimal), RDN=4, RRR=2.