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Rainbow Electronics W90N745CDG User Manual

Page 68

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W90N745CD/W90N745CDG

Publication Release Date: September 22, 2006

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63

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Revision

A2

Continued.

BITS

DESCRIPTION

[2:1] WAITVT

Valid time of nWAIT signal
W90N745 recognizes the nWAIT signal at the next “nth” MCLK
rising edge after the nOE or nWBE active cycle. WAITVT bits
determine the n.

WAITVT [2:1]

nth MCLK

0 0

1

0 1

2

1 0

3

1 1

4

[0]

LITTLE

Little Endian mode
After power on reset, the content of LITTLE is the Power-On Setting
value from D14 pin. If pin D14 is pull-down, the external memory format
is Big Endian mode. If pin D14 is pull-up, the external memory format is
Little Endian mode. For more detail, refer to Power-On Setting of System
Manager.
NOTE: This bit is read only.