CEC Circuit Design for CEC option:
16. HDMI SWITCH
Silicon Image SiI9287B
a) Key Features
x Four-input, single-output HDMI port processor
x Improved ESD protection on all signals connected to HDMI connector
x Integrated TMDS receiver and transmitter cores capable of receiving and transmitting at
2.25 Gbps:
x InstaPort™ viewing technology
x MHL support
x Supports video resolutions up to 1080p, 60 Hz, 12-
bit or 720p/1080i, 120 Hz, 12-bit
x Built-in adaptive equalizer provides long cable support even at Deep Color resolutions,
enabling the SiI9287B device to work with noisy signals and many sources, making the sink
devices highly interoperable
x Receiver fully complies with DVI 1.0, HDCP 1.3 and HDMI 1.3a specifications.
3V3_STBY
27k
R1008
3V3_STBY
4k7
R996
3V3_STBY
CEC_OUT
UC_CEC
CEC
3V3_STBY
C922
100n
16V
50V
47p
C924
1N4148
D53
47k
R1001
R1000
12k
10k
R1003
50V
4n7
C925
10k
R1002
R999
12k
3V3_STBY
R1005
220R
Q129
BC848B
R1006
220R
C921
16V
100n
R1007
470R
R997
4k7
U115
LM358D
8
7
5
6
4
3
2
1
OUT1
IN1-
IN1+
GND
IN2-
IN2+
OUT2
VCC
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