TMDS341 Datasheet, PDF (4/25 Pages) Texas Instruments – 3-TO-1 DVI/HDMI SWITCH

TMDS341
SLLS660A – AUGUST 2005 – REVISED OCTOBER 2005
www.ti.com
TERMINAL FUNCTIONS
TERMINAL
I/O
NAME
NO.
DESCRIPTION
A11, A12, A13, A14
6, 9, 12, 15
I
Port 1 TMDS positive inputs
A21, A22, A23, A24
68, 71, 74, 77
I
Port 2 TMDS positive inputs
A31, A32, A33, A34
49, 52, 55, 58
I
Port 3 TMDS positive inputs
B11, B12, B13, B14
5, 8, 11, 14
I
Port 1 TMDS negative inputs
B21, B22, B23, B24
67, 70, 73, 76
I
Port 2 TMDS negative inputs
B31, B32, B33, B34
48, 51, 54, 57
I
Port 3 TMDS negative inputs
GND
4, 10, 16 24, 30,
36, 37, 47, 53,
59, 65, 66, 72, 78
Ground
HPD1
80
O Port 1 hot plug detector output
HPD2
62
O Port 2 hot plug detector output
HPD3
44
O Port 3 hot plug detector output
HPD_SINK
Sink side hot plug detector input
40
I
High: 5-V power signal asserted from source to sink and EDID is ready
Low: No 5-V power signal asserted from source to sink, or EDID is not ready
NC
1, 20, 41,60
No connect
OE
42
I
Output enable, active low
PRE
Output de-emphasis adjustment
19
I
High: 3 dB
Low: 0 dB
SCL1
3
I/O Port 1 DDC bus clock line
SCL2
64
I/O Port 2 DDC bus clock line
SCL3
46
I/O Port 3 DDC bus clock line
SCL_SINK
38
I/O Sink side DDC bus clock line
SDA1
2
I/O Port 1 DDC bus data line
SDA2
63
I/O Port 2 DDC bus data line
SDA3
45
I/O Port 3 DDC bus data line
SDA_SINK
39
I/O Sink side DDC bus data line
S1, S2, S3
21, 22, 23
I
Source selector input
7, 13, 17 27, 33,
V_CC
43, 50, 56 61, 69,
Power supply
75, 79
VSADJ
18
I
TMDS compliant voltage swing control
Y1, Y2, Y3, Y4
34, 31, 28, 25
O TMDS positive outputs
Z1, Z2, Z3, Z4
35, 32, 29, 26
O TMDS negative outputs
4