CHAPTER 7 – Appe
n
dix
74 SPI-6941-LV
L
CD
pane
l
li
n
k
C
onne
ct
o
r
:
CN
3
CN3 is a 20-pin connector for flat panel LCD displays. The following shows the pin
assignments of this connector.
110
1120
P
I
N
N
o
.
Fun
c
t
i
on
P
I
N
N
o
.
Fun
c
t
i
on
1
T
X
1
+
11
T
X
2
+
2
T
X
1
-
12
T
X
2
-
3
G
ND
13
G
ND
4
G
ND
14
G
ND
5
T
X
C
+
15
T
X
0
+
6
T
X
C
-
16
T
X
0
-
7
G
ND
17
NC
8
V
DD
P
18
SE
N
S
9
Y
3 19
V
CC
10
Y
2 20
V
CC
S
ig
n
al
D
e
s
c
r
iptio
n
– Pa
n
el Li
n
k Co
nn
ecto
r
TXC+/TXC-: Low voltage swing differential output clock pair.
TX0+/TX0-: Low voltage swing differential output data pair. This pair transmits the flat panel
signals: DP0 to DP7, LP and FLM.
TX1+/TX1-: Low voltage swing differential output data pair. This pair transmits the flat panel
signals: DP8 to DP15.
TX2+/TX2-: Low voltage swing differential output data pair. This pair transmits the flat panel
signals: DP16 to DP23.
Y2(RxD): Serial(COM1)input. This signal receives serial data to the communication link.
Y3(TxD): Serial(COM1)output. This signal sends serial data to the communication link.
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