HT1620
WRITE mode (successive address writing)
C
W
D
S
R
1
A
5
A
3
A
2
D
2
D
3
D
2
D
3
D
2
D
3
D
2
D
3
D
A
4
A
1
A
0
D
0
D
1
D
0
D
1
D
0
D
1
D
0
D
1
0
1
0
A
T
A
M
e
m
o
r
y
A
d
d
r
e
s
D
s
a
(
t
M
a
A
(
)
M
D
A
a
+
t
1
a
)
(
D
M
a
A
t
)
a
(
M
A
+
2
)
D
a
t
a
(
Note: It is recommended that the host controller should read with the data from the DATA line
between the raising edge of the RD line and the falling edge of the next RD line.
READ-MODIFY-WRITE mode (command code: 1 0 1)
C
S
W
R
R
D
1
A
5
A
3
A
A
2
1
D
0
D
D
1
2
D
3
D
0
D
D
1
2
D
3
A
5
A
3
A
A
2
1
0
D
D
1
2
D
3
1
0
A
4
A
0
1
0
1
A
4
A
0
D
D
A
T
A
M
e
m
o
r
y
A
d
d
r
e
s
s
1
(
D
M
a
A
t
1
a
)
(
M
A
D
1
a
)
t
a
M
(
e
M
m
A
o
1
r
)
y
A
d
d
r
e
s
s
2
(
M
A
2
)
D
a
t
a
(
M
A
READ-MODIFY-WRITE mode (successive address accessing)
C
W
S
R
R
D
1
A
5
A
3
A
A
2
1
0
D
D
1
2
D
3
D
0
D
D
1
2
D
3
D
0
D
D
1
2
D
3
D
0
D
D
1
2
D
3
D
0
D
1
D
2
D
3
D
0
1
0
A
4
A
0
D
D
A
T
A
M
e
m
o
r
y
A
d
d
r
e
s
s
(
M
D
A
a
)
t
a
(
M
D
A
a
t
)
a
(
M
D
A
a
)
t
a
(
M
A
D
+
a
1
t
)
a
(
M
D
A
a
t
+
a
2
(
)
M
A
+
1
)
12
July 26, 1999
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
