Rainbow Electronics W90N740 User Manual

Page 58

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W90N740

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ADRS [15] Address bus alignment for external I/O bank 0~3

When ADRS is set, EBI bus is alignment to byte address format, and ignores DBWD [1:0] setting.

tACC [14:11] Access cycles nOE or nWE active timefor external I/O bank 0~3

tACC [14:11]

MCLK

0 0 0 0

Reserve

d

0 0 0 1 1

0 0 1 0 2

0 0 1 1 3

0 1 0 0 4

0 1 0 1 5

0 1 1 0 6

tACC [14:11]

MCLK

1 0 0 0 9

1 0 0 1 11

1 0 1 0 13

1 0 1 1 15

1 1 0 0 17

1 1 0 1 19

1 1 1 0 21

1 1 1 1 23

tCOH [10:8] Chip selection hold-on time on nWBE for external I/O bank 0~3

tCOH [10:8]

MCLK

0 0 0

0

0 0 1

1

0 1 0

2

0 1 1

3

1 0 0

4

1 0 1

5

1 1 0

6

1 1 1

7

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