IT6605
Programming Pins
Pin Name
INT#
SYSRSTN
DDCSCL0
DDCSDA0
R0PWR5V
DDCSCL1
DDCSDA1
R1PWR5V
PCSCL
PCSDA
PCADR
SCDT
RSVDL
RSVDL
NC
Direction
Output
Input
I/O
I/O
Input
I/O
I/O
Input
Input
I/O
Input
Output
Input
Description
Interrupt output. Default active-low (5V-tolerant)
Hardware reset pin. Active LOW (5V-tolerant)
DDC I2C Clock for HDMI Port 0 (5V-tolerant)
DDC I2C Data for HDMI Port 0 (5V-tolerant)
TMDS transmitter detection for Port 0(5V-tolerant)
DDC I2C Clock for HDMI Port 1 (5V-tolerant)
DDC I2C Data for HDMI Port 1 (5V-tolerant)
TMDS transmitter detection for Port 1(5V-tolerant)
Type
LVTTL
Schmitt
Schmitt
Schmitt
LVTTL
Pin No.
102
100
34
33
35
29
28
30
27
26
105
101
99
98
76,
0x90 when PCADR is pulled low, 0x92 otherwise
Indication for active HDMI signal at input port
Must be tied low via a resistor.
Must be left unconnected
Must be left unconnected
41
58
5，
Serial Programming device address select. Device address is
QQ
Serial Programming Data for chip programming (5V-tolerant)
：
Serial Programming Clock for chip programming (5V-tolerant)
HDMI analog front-end interface pins
Pin Name
R0X2P
R0X2M
R0X1P
R0X1M
R0X0P
R0X0M
R0XCP
R0XCM
REXT
Direction
Analog
Analog
Analog
Analog
Analog
Analog
Description
公
司
，
18
66
43
71
44
51
8
Schmitt
LVTTL
Schmitt
Schmitt
LVTTL
LVTTL
LVTTL
Schmitt
Type
TMDS
TMDS
TMDS
TMDS
TMDS
TMDS
TMDS
TMDS
Analog
TMDS
TMDS
TMDS
TMDS
TMDS
Feb-2012 Rev:0.92
科
技
HDMI Channel 2 negative input for HDMI Port 0
HDMI Channel 1 negative input for HDMI Port 0
HDMI Channel 0 negative input for HDMI Port 0
HDMI Clock Channel positive input for HDMI Port 0
HDMI Clock Channel negative input for HDMI Port 0
有
HDMI Channel 2 positive input for HDMI Port 0
HDMI Channel 1 positive input for HDMI Port 0
HDMI Channel 0 positive input for HDMI Port 0
限
19
Pin No.
52
51
48
47
44
43
40
39
55
70
69
66
65
62
深
圳
市
金
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
合
R1X2P
R1X2M
R1X1P
R1X1M
R1X0P
讯
External resistor for setting termination impedance value. Should
be tied to GND via a 500Ω SMD resistor.
HDMI Channel 2 positive input for HDMI Port 1
HDMI Channel 2 negative input for HDMI Port 1
HDMI Channel 1 positive input for HDMI Port 1
HDMI Channel 1 negative input for HDMI Port 1
HDMI Channel 0 positive input for HDMI Port 1
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