70
DVD-3910
Differential Signal Data Pins
Pin Name
Pin #
Type
Description
TX0+
TX0-
TX1+
TX1-
TX2+
TX2-
25
24
28
27
31
30
Analog
Analog
Analog
Analog
Analog
Analog
TMDS Low Voltage Differential Signal output data pairs.
These pins are tri-stated when PD# is asserted.
TXC+
TXC-
22
21
Analog
Analog
TMDS Low Voltage Differential Signal output clock pairs.
These pins are tri-stated when PD# is asserted.
EXT_SWING
19
Analog Voltage Swing Adjust. A resistor should tie this pin to AVCC. This resistor
determines the amplitude of the voltage swing. A 510 ohm resistor is
recommended for remote display applications. For notebook computers, 680 ohm
is recommended.
Configuration/Programming Pins
Pin Name
Pin #
Type
Description
MSEN
11
Out
Monitor Sense. This pin is an open collector output. The output is programmable
through the I
2
C interface (see I
2
C register definitions). An external 5K pull-up
resistor is required on this pin.
RESERVED
34
In
This pin is reserved.
NC
7,8
NC
These pins are not electrically connected inside the package.
Control Pins
These control pins allow configuration of the transmitter through the slave I
2
C port, which is required by HDCP.
Pin Name
Pin #
Type
Description
ISEL/RST#
13
In
I
2
C Interface Select. If HIGH, then the I
2
C interface is active.
SCLS
15
In
DDC I
2
C Clock.
SDAS
14
In/Out
DDC I
2
C Data.
CTL3
6
In
External CTL3.
HTPLG
9
In
Monitor Charge Input. This pin is used to connect to the DVI Hot Plug pin to detect
the presence of an attached monitor.
Type Description
Power
Digital VCC. Connect to 3.3V supply.
Ground
Digital GND.
Power
Analog VCC. Connect to 3.3V supply.
Ground
Analog GND.
PVCC1
18
Power
Primary PLL Analog VCC. Connect to regulated 3.3V supply.
PVCC2
49
Power
Filter PLL Analog VCC. Connect to regulated 3.3V supply.
PGND1
17
Ground
PLL Analog GND.
PGND2
48
Ground
PLL Analog GND.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
