HT1660
Command Mode (Command ID Code: 1 0 0)
C
S
W
R
R
D
C
C
C
C
7
6
5
4
C
C
C
C
3
2
1
0
X
X
X
X
X
X
X
X
C
C
C
C
7
6
5
4
C
C
C
C
3
2
1
0
X
X
X
X
X
X
X
X
X
C
7
C
3
X
X
C
7
C
3
X
X
X
X
X
X
X
X
C
7
C
3
X
X
X
X
X
X
X
X
C
7
C
3
X
D
B
3
1
C
6
C
2
X
X
1
C
6
C
2
C
6
C
2
C
6
C
2
D
B
2
C
1
0
C
5
C
1
X
X
0
C
5
C
1
C
5
C
1
C
5
D
B
1
C
4
C
0
C
4
C
0
C
4
C
0
0
C
4
C
0
X
X
0
D
B
0
(
S
i
n
g
l
e
c
o
m
m
a
n
d
)
(
S
u
c
c
e
s
s
i
v
e
c
o
m
m
a
n
d
)
Note: ²X² stands for don¢t care
Application Circuits
Host Controller With an HT1660 Display System
M
a
x
.
7
V
C
R
S
D
*
*
V
R
W
D
R
V
L
C
D
B
0
~
D
B
3
M
C
U
H
T
1
6
6
0
*
B
Z
R
P
i
e
z
o
I
O
O
R
Q
B
Z
S
S
C
C
I
O
C
l
o
c
k
O
u
t
C
O
M
0
~
C
O
M
3
1
S
E
G
0
~
S
E
G
9
5
E
E
x
x
t
t
e
e
r
r
n
n
a
a
l
l
C
C
l
l
o
o
c
c
k
k
1
2
(
(
3
3
2
2
k
k
H
H
z
z
)
)
*
1
/
6
B
i
a
s
o
r
1
/
5
B
i
a
s
,
1
/
3
2
D
u
t
y
o
r
1
/
1
6
D
u
t
y
O
n
-
c
h
i
p
O
S
C
*
L
C
D
P
a
n
e
l
C
r
y
s
t
a
l
3
2
7
6
8
H
z
The connection of IRQ and RD pin can be selected depending on the MCU.
Adjust VR to fit LCD display
*Note:
Adjust R (external pull-high resistance) to fit user¢s time base clock.
It is recommended that the internal equivalent capacitance between SEG and COM of LCD panel should be
lower than 10pF. (LCR meter test condition: frequency in 1KHz)
Rev. 1.30
15
April 13, 2006
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
