Memory and PCMCIA Control Module

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

Memory Clock

nCS0

 

 

 

 

 

 

 

 

A[25:5]

 

 

 

 

 

 

 

 

 

RDF+1.5

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

 

 

 

 

 

 

 

 

A[4:2]

0

1

2

3

4

5

6

7

nOE

 

 

 

 

 

 

 

 

 

D0

 

D1

D2

 

D4

D5

 

Input Data

 

 

 

 

 

 

 

 

Latch

 

 

 

 

 

 

 

 

Input Data

(2*RRR)+1

nCS1

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.

A4780-01

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.

10-20

SA-1100 Developer’s Manual

Page 134
Image 134
Intel SA-1100 manual A255, A42, Input Data Latch, 10-20