Onkyo HT-R667 Service Manual page 64

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IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-33
Q8162 : SiI9185ACTU (Three Input, Single Output Deep Color HDMI Switch)-2/3
TERMINAL DESCRIPTION
System switching
Pin Name
DSDA0,
DSDA1,
DSDA2
DSCL0,
DSCL1,
DSCL2
RPWR0,
RPWR1,
RPWR2
Configuration
Pin Name
HPD0,
HPD1,
HPD2
HPDIN
TE
L 13942296513
TPWR /
I2CADDR
EXTPSEL
RSVDL
Control Pins
Pin Name
RESET #
LSCL /
EPSEL[1]
LSDA /
EPSEL[0]
TSCL
TSDA
CEC Pins
Pin Name
CEC_A
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CEC_D
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Pin # Dir Description
2
30, Input / DDC I C Data for respective port.
50, Output
70
2
31, Input DDC I C Clock for respective port.
51,
71
32, --- Port " Tx detection " input. Connect 5V input from HDMI connector.
52,
72
Pin # Dir Description
16, Output Hot Plug Detect Output.
36,
56
76 Input Hot Plug Detect Input.
12 Input / Optical I2C address. When RESET # is '0', pin will be used as an input to latch
Output I2C sub-address.
When RESET # is '1', this pin will be used as an output for TPWR indicating
selected Rx-port is alive.
55 Input External Port selection input pin. When this pin is '1' external pins, SCL_L and
SDA_L, will be use to select Rx-port as ExPSEL[1:0]. When '0', internal local I2C
register will be used to select Rx-port.
75 --- Reserved for use by Silicon Image and must be tied low.
Pin # Dir Description
13 Input Reset Pin (Active LOW)
74 Input Local Configuration / Status I C Clock. When EXTSEL = '1', local CSL will be
used as External port selection pin, EPSEL[1].
73 Bi-Di Local Configuration / Status I C Data. When EXTPSEL = '1', local SDA will be
used as External port selection pin, EPSEL[0].
78 Output Master DDC Clock (Open Drain Output) to HDMI receiver.
77 Bi-Di Master DDC Data (Open Drain Output) to HDMI receiver.
Pin # Direction Description
34 Input / Output HDMI compliant CEC I/O.
33 Input / Output CEC interface to system microcontroller.
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