TMDS171 Datasheet, PDF (49/62 Pages) Texas Instruments – 3.4 Gbps TMDS RETIMER

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TMDS171, TMDS171I
SLLSEN7A – OCTOBER 2015 – REVISED DECEMBER 2015
9.3 System Examples
Another way to configure sink application is to configure the sink as per Figure 61. This is done as not all
sources are supporting clock stretching as per standard.
HDMI/DVI
Connector
HDMI RX/Scalar
GND1
D2p
GND2
D2n
GND3
D1p
GND4
D1n
GND5
D0p
GND6
D0n
TMDS_CLKp
TMDS_CLKn
2 _{IN_D2p}
3 _{IN_D2n}
5 _{IN_D1p}
6 _{IN_D1n}
8 _{IN_D0p}
9 _{IN_D0n}
11 _{IN_CLKp}
12 _{IN_CLKn}
35
OUT_D2p
34
OUT_D2n
32
OUT_D1p
31
OUT_D1n
29
OUT_D0p
28
OUT_D0n
26
OUT_CLKp
25
OUT_CLKn
TMDS_D2p
TMDS_D2n
TMDS_D1p
TMDS_D1n
TMDS_D0p
TMDS_D0n
TMDS_CLKp
TMDS_CLKn
CASE_GND1 HDMI_5V
CASE_GND2
CASE_GND3
CASE_GND4
HPD
0.01uF
DDC_SCL
DDC_SDA
CEC
HDMI_5V
1<Q
NC
NC
HPD
NC
DDC_SCL
DDC_SDA
CEC
1uF
ARC
55Q
Implementation specific.
May not be needed if Source
has implemented
VCC
2<Q
2<Q
I2C_SCL
I2C_SDA
18
40
4 _{HPD_SRC}
46 _{SCL_SRC}
47 _{SDA_SRC}
44
ARC_OUT
THERMAL PAD
41
GND
7
GND
19
GND
30
GND
15
SCL_CTL
16 _{SDA_CTL}
5V
SCL_SNK
SDA_SNK
47<Q
38
39
DDC_SCL
DDC_SDA
45
SPDIF_IN ₃₃
HPD_SNK
1uF
500<Q
47<Q
DDC_SCL
DDC_SDA
Optional
OE
OE
HPD
SPDIF
HPD
Reduces Power Consumption
If ARC not used in system
VCC
SWAP/POL
I2C_EN/PIN
SIG_EN
PRE_SEL
EQ_SEL/A0
A1
TX_TERM_CTL
65lQ
1
10
17
20
21
27
36
65lQ
Optional
OE
42
OE
0.1uF
65lQ
65lQ
VCC
0.01uF 0.1uF 10uF
22
7.06<Q
1%
VSADJ
14 23 24 37 48
13 43
VDD
0.1uF _{0.1uF 0.1uF 0.1uF 0.01uF 0.01uF} 10uF
VDD
VCC
Figure 61. TMDS171 in Sink Side Application
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