Document Number: 002-00833 Rev. *L
Page 54 of 74
S29VS256R
S29VS128R
S29XS256R
S29XS128R
10.9.5
Wait State Configuration Register Setup
Figure 19. Example of Programmable Wait States
Configuration
Register
Programmable Wait States
CR.14
CR.13
CR.12
CR.11
0000 =
initial data is valid on the
Reserved
rising CLK edge after addresses are latched
0001 =
3rd
0010 =
4th
0011 =
5th
0100 =
6th
0101 =
7th
0110 =
8th
0111 =
9th
1000 =
10th
.
.
.
.
.
.
1011 =
13th
1100 =
Reserved
1111 =
D
a
t
a
AVD#
OE#
CLK
1
2
3
4
5
D0
D1
0
6
1
7
3
Tot
a
l n
u
m
b
er of clock cycle
s
following
a
ddre
ss
e
s
b
eing l
a
tched
Ri
s
ing edge of next
clock cycle following
l
as
t w
a
it
s
t
a
te trigger
s
next
bu
r
s
t d
a
t
a
Tot
a
l n
u
m
b
er of clock edge
s
following
a
ddre
ss
e
s
b
eing l
a
tched
2
4
5
6
7