5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
HP _DE T_DV I
HP _W P _DV I
HP _W P _DV I
WE_A
WE_A
+3 .3 V
DS UB _E DID_VC C
DS UB _E DID_V C C
PC5V
+3 .3 V
DV IP C 5 V
DVIPC5V
+3 .3 V
DV I_ E DID_ V C C
DV I_ E DID_ V C C
+3.3V
HS Y NC
VSYNC
DS U B _ S CL
DS U B _ S DA
RED+
RED-
GREEN-
BLUE+
BLUE-
SOG
VGA_CAB
DS U B _ S CL
DS U B _ S DA
DS U B _ P C 5V
DS U B _ P C 5V
GRE EN+
DVIRX1-
DV IR X1+
DV IR X0+
DVIRX0-
DV IR X2+
DVIRX2-
DV IR XC-
DVIRXC+
R2-
R1-
R0-
R1+
R0+
R2+
DVI_S CL
DV I_S DA
RC+
RC-
R0-
R0+
R1-
R1+
R2-
R2+
RC-
RC+
DV I_S CL
DV I_S DA
WP_DVI
DV I_HPD_CTRL
WP_DVI
WP_MCU
WP_DVI
DV I_C A B
WP_MCU
.
e
AllenPC Lee AllenPC LeeNe o C ha ng
Close to Scalar pin
cl os e t o connect or
c l ose t o c onnec t or
RX1+/ -
RX2+/ -
RXC+/ -
Fact or y must us e a DVI - D cabl e whose
pi n - 16 ( Hot - Pl ug- Det ec t ) i s c onn ec t ed t o GND
while programming DDC Data(DVI-D data)
4 Rx differential pairs should be
impedance control within 100ohm+- 5%,
keep si de by side and nearl y equal l ength
pair to pair space should keep >3x intra-pair space
RX0+/ -
3mA
RX1+/ -
RX2+/ -
RXC+/ -
RX0+/ -
DDC 100 .
DDC 100
MC U_DDC_Wr i t e c ont r ol
RGB t
R1 0 4, YPbPr
NC_ R3 f or S uppor t i ng S OG t i mi ng 0324.
F or S OG - 300mV v ol t a ge s wi ng. 0328
GE NE R I C 2 4
DVI _ HP D_ CTRL ( Fr om MCU)
1.Initial HPD=Hi DDC_protected
2 . C a b l e c o nne c t e d HP D=Hi DDC _ pr ot e c t e d
3 . De b u g _ B D c o nne c t e d HP D=L ow DDC_ w r i t e a bl e
4 . DVI _ HPD_ CT R L =L ow DDC wr i t e a bl e a nd Gr a phi c _ Ca r d c a nt
Li nkabl e
WE_A( F r om Ds ub Cabl e)
1. cabl e unconne c t e d WE_A=f l oat i ng &
EDI D_VCC=0 BJ T _CUT WP=Hi DDC_pr ot ect e d
2. cabl e conne c t ed WE_A=Hi BJ T_SAT WP=Low DDC_wr i t a bl e
3. Debug_BD c onnect e d WE_A=L ow BJ T_CUT WP=Hi DDC_pr ot e c t ed
De bu g _ B D c o n n e c t e d HP D=L o w DDC _ wr i t e a b l e
For ASUS
DDC DVI c a bl e pi n 1 6
DVI c a bl e pi n 16 Hot Pl ug
De t e c t
For HP model
DDC DVI c a bl e pi n 15
floating
DVI c a bl e pi n 15
For HP model
MC U_ DDC_ Wr i t e c ont r ol
R43
10 J
R17
100 J
R5
100
DN12
BAV99
A
J
K
R15
75
C24 0.047U 16V
R30
NC_ 22K
R27
22K
R21
100
R50
NC_ 22K
C19
0.1U Z
R32
12K J
C42
47P J
D9
TZMC 6V2
A K
R14
100
R 188
0J
DN9
BAV99
A
J
K
U3
AT24C 02N-10S U-1.8
A0
1
A1
2
A2
3
GND
4
VCC
8
WP
7
SCL
6
SDA
5
R33
10 J
R11
12K J
R38
10 J
C16 0.047U 16V
C13
0.1U Z
U4
AT24C 02N-10S U-1.8
A0
1
A1
2
A2
3
GND
4
VCC
8
WP
7
SCL
6
SDA
5
R45
47
C35
0.1U Z
R19
75
R22
10K
DN11
BAV99
A
J
K
R164
NC_ 10K J
C31
22P J
L8
Z30
C17
4.7P C
D10
TZMC 6V2
A K
R16
100
R34
10 J
C28 0.047U 16V
R44
10 J
C14
0.1U Z
R167
NC_ 10K J
C36
0.1U Z
R39
100
DN6
BAV99
A
J
K
ZD1
TZMC 6V2
A K
C41
47P J
L6
Z30
R 127
NC 75 J
Q2
NC_2N3904S
B
E C
D4
TZMC 6V2
A K
D2
TZMC 6V2
A K
C25
47P J
D11
TZMC 6V2
A K
R18
100
D5
TZMC 6V2
A K
DN2
BAV99
A
J
K
R168
NC_ 10K J
D6
TZMC 6V2
A K
C21 0.047U 16V
R8
100
R31
12K J
C15
0.1U Z
R10
12K J
D7
TZMC 6V2
A K
C37
0.1U Z
R36
100 J
R 128
NC 75 J
DN1
BAV99
A
J
K
DN3
BAV99
A
J
K
R24
100
J2
2K 24012A15
1
7
2
8
3
9
4
10
5
11
12
13
14
15
6
G1G2
R48
NC_ 10K J
R169
NC_ 10K J
R41
10 J
D8
TZMC 6V2
A K
D3
TZMC 6V2
A K
DN8
BAV99
A
J
K
C27
4.7P C
C40
0.1U Z
R20
100
DN7
BAV99
A
J
K
C22
4.7P C
R37
100 J
R165
NC_ 10K J
R 146
NC 75 J
DN5 BAV70
A1
J
A2
C32
0.1U Z
C38
0.1U Z
R170
NC_ 10K J
R7
NC_ 1M J
D1
LL4148
A K
J3
2K 22030024
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
G1
G1
G2
G2
G5
G5
G6
G6
R35
10 J
R49
NC_ 22K
C26
47P J
R166
NC_ 10K J
DN13
BAV99
A
J
K
R171
NC_ 10K J
DN4
BAV70
A1
J
A2
R23
10K
C33
0.1U Z
DN10
BAV99
A
J
K
C20 0.047U 16V
R47
NC_ 10K J
C39
0.1U Z
R 177
0J
C30
22P J
R13
100 J
C23 0.047U 16V
C18 0.047U 16V
R28
2K
R12
100
Q1
2N3904S
B
E C
L7
Z30
R6
75
R46
10 J
C29
0.1U Z
R29
2K
R26
100
R40
4.7K
C34
0.1U Z
Scalar Diagram & C.B .A
40 244E2 LCD
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