TMDS261B Datasheet, PDF (5/48 Pages) Texas Instruments – TWO-PORT HDMI SWITCH

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TMDS261B
SLLS987A – SEPTEMBER 2009 – REVISED JULY 2011
PIN FUNCTIONS
PIN
I/O
SIGNAL
NO.
DESCRIPTION
TMDS INPUT PINS
CLK+_1
CLK–_1
39
I Port-1 TMDS differential clock
38
D[0:2]+_1
D[0:2]–_1
42, 45, 48
41, 44, 47
I Port-1 TMDS differential data inputs
CLK+_2
CLK–_2
54
I Port-2 TMDS differential clock
53
D[0:2]+_2
D[0:2]–_2
57, 60, 63
56, 59, 62
I Port-2 TMDS differential data inputs
TMDS OUTPUT PINS
CLK+_SINK
CLK–_SINK
26
O TMDS sink differential clock
27
D[0:2]+_SINK
D[0:2]–_SINK
23, 20, 17
24, 21, 18
O TMDS sink differential data outputs
HOT-PLUG-DETECT STATUS PINS
HPD[1:2]
35, 50
O Source port hot-plug-detect output
HPD_SINK
31
I Sink hot-plug-detect input
DDC PINS
SCL[1:2]
37, 52
I/O TMDS port bidirectional DDC clock
SDA[1:2]
36, 51
I/O TMDS port bidirectional DDC data
SCL_SINK
29
I/O TMDS sink-side bidirectional DDC clock
SDA_SINK
30
I/O TMDS sink-side bidirectional DDC data
CONTROL PINS
LP
I2C_SEL
S1/SCL
S2/SDA
49
I Low-power select bar
34
I
GPIO/local I²C control select
32
I Source select 1(GPIO) / local I²C clock (I2C)
33
I/O Source select 2 (GPIO) / local I²C data (I2C)
VSadj
16
I TMDS-compliant voltage swing control
SUPPLY AND GROUND PINS
VCC
6, 12, 19, 25,
40, 46, 55, 61
3.3-V supply
GND
3, 9, 15, 22,
28, 43, 58
Ground
NC
1, 2, 4, 5, 7, 8,
No-connect pins
10, 11, 13, 14, 64
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