TMDS261
www.ti.com ............................................................................................................................................................................................ SLLS953–DECEMBER 2008
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
SIGNAL
NO.
TMDS INPUT PINS
CLK+_1
CLK–_1
39
38
I
I
I
I
Port-1 TMDS differential clock
D[0:2]+_1
D[0:2]–_1
42, 45, 48
41, 44, 47
Port-1 TMDS differential data inputs
Port-2 TMDS differential clock
CLK+_2
CLK–_2
54
53
D[0:2]+_2
D[0:2]–_2
57, 60, 63
56, 59, 62
Port-2 TMDS differential data inputs
TMDS OUTPUT PINS
CLK+_SINK
CLK–_SINK
26
27
O
O
TMDS sink differential clock
D[0:2]+_SINK
D[0:2]–_SINK
23, 20, 17
24, 21, 18
TMDS sink differential data outputs
HOT-PLUG-DETECT STATUS PINS
Source port hot-plug-detect output
Sink hot-plug-detect input
HPD[1:2]
35, 50
31
O
I
HPD_SINK
DDC PINS
SCL[1:2]
37, 52
36, 51
29
I/O
I/O
I/O
I/O
TMDS port bidirectional DDC clock
TMDS port bidirectional DDC data
TMDS sink-side bidirectional DDC clock
TMDS sink-side bidirectional DDC data
CONTROL PINS
SDA[1:2]
SCL_SINK
SDA_SINK
30
LP
49
34
32
33
16
I
Low-power select bar
I2C_SEL
S1/SCL
S2/SDA
VSadj
I
GPIO/local I2C control select
Source select 1(GPIO) / local I2C clock (I2C)
Source select 2 (GPIO) / local I2C data (I2C)
TMDS-compliant voltage swing control
SUPPLY AND GROUND PINS
3.3-V supply
I
I/O
I
VCC
GND
NC
6, 12, 19, 25,
40, 46, 55, 61
3, 9, 15, 22,
28, 43, 58
Ground
1,2,4,5,7,8,10,11,
13,14,64
No Connect Pins
Copyright © 2008, Texas Instruments Incorporated
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