IT6605
Programming Pins
Pin Name
INT#
Direction Description
Type
Pin No.
102
100
34
Output
Input
I/O
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)
Serial Programming Clock for chip programming (5V-tolerant)
Serial Programming Data for chip programming (5V-tolerant)
Serial Programming device address select. Device address is
0x90 when PCADR is pulled low, 0x92 otherwise
Indication for active HDMI signal at input port
Must be tied low via a resistor.
LVTTL
Schmitt
Schmitt
Schmitt
LVTTL
Schmitt
Schmitt
LVTTL
Schmitt
Schmitt
LVTTL
SYSRSTN
DDCSCL0
DDCSDA0
R0PWR5V
DDCSCL1
DDCSDA1
R1PWR5V
PCSCL
I/O
33
Input
I/O
35
29
I/O
28
Input
Input
I/O
30
27
PCSDA
26
PCADR
Input
105
SCDT
RSVDL
RSVDL
NC
Output
Input
LVTTL
LVTTL
101
99
Must be left unconnected
98
Must be left unconnected
76,
HDMI analog front-end interface pins
Pin Name
R0X2P
R0X2M
R0X1P
R0X1M
R0X0P
R0X0M
R0XCP
R0XCM
REXT
Direction Description
Type
Pin No.
52
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
HDMI Channel 2 positive input for HDMI Port 0
TMDS
TMDS
TMDS
TMDS
TMDS
TMDS
TMDS
TMDS
HDMI Channel 2 negative input for HDMI Port 0
HDMI Channel 1 positive input for HDMI Port 0
HDMI Channel 1 negative input for HDMI Port 0
HDMI Channel 0 positive 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
51
48
47
44
43
40
39
External resistor for setting termination impedance value. Should Analog
55
be tied to GND via a 500Ω SMD resistor.
R1X2P
R1X2M
R1X1P
R1X1M
R1X0P
Analog
Analog
Analog
Analog
Analog
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
TMDS
TMDS
TMDS
TMDS
TMDS
70
69
66
65
62
Feb-2012 Rev:0.92 6/38
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