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FUJITSU MB91460 SERIES FR60 User Manual

Page 557

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541

Chapter 31 External Bus

2.External Bus Interface Registers

Table 4.2-47 lists the settings for the refresh cycle (tRC).

Table 2-31 Settings for the refresh cycle (tRC)

TRC2

TRC1

TRC0

Refresh cycle (tRC)

0

0

0

4

0

0

1

5

0

1

0

6

0

1

1

7

1

0

0

8

1

0

1

9

1

1

0

10

1

1

1

11