參數(shù)資料
型號(hào)： SiI1160CTU
廠商： Silicon Image, Inc.
英文描述： PanelLink Transmitter
中文描述： PanelLink發(fā)射機(jī)
文件頁(yè)數(shù)： 24/33頁(yè)
文件大?。?/td> 494K
代理商： SII1160CTU
SiI
1160 PanelLink Transmitter
Data Sheet
SiI
-DS-0126-B
20
Design Recommendations
Differences Between
SiI
160 and
SiI
1160
The
SiI
1160 Tx is a pin-compatible upgrade to the
SiI
160 Tx. It provides improved cable length support without
any changes to the pinout. Interrupt capability is also a new option using the optional MSEN pin. The
SiI
1160 Tx
can also act as to repeat HDMI signals when its internal registers are programmed appropriately; this application
requires the use of an I
2
C interface, optionally available on the SDA and SCL pins.
Table 8. New Pin Functions for
SiI
1160 Tx
SiI
160
RSVD – Tied HIGH
RSVD – Tied LOW
RSVD – Tied HIGH
RSVD – Tied HIGH
Pin
20
21
23
87
SiI
1160
Optional I
2
C interface pin SCL
Optional interrupt output MSEN
Optional I
2
C interface pin SDA
ISEL/RST
EXT_SWING Selection
The recommended R
EXT_SWING
resistor value for the EXT_SWING pin is provided in the Pin Descriptions section.
This value can be adjusted as needed to optimize the DVI signal swing levels according to the needs of the
application. This adjustment might become necessary, for example, when deviating from the recommended
source termination values (described in the Source Termination Resistors on Differential Outputs section) to
optimize for a specific cabling environment.
PCB Ground Planes
All ground pins on the device should be connected to the same, contiguous ground plane in the PCB. This helps
to avoid ground loops and inductances from one ground plane segment to another. Such low-inductance ground
paths are critical for return currents, which affect EMI performance. The entire ground plane surrounding the
PanelLink transmitter should be one piece, and include the ground vias for the DVI connector.
Voltage Ripple Regulation
The power supply to PVCC is very important to the proper operation of the Transmitter chips. PVCC does not
draw much current so any voltage regulator that can supply 50mA or more is sufficient. A suggested regulator
circuit using a low-dropout regulator is shown in Figure 11. Note that alternative voltage regulator circuits should
be considered only if they meet the LM317 standards of line/load regulation.
Decoupling and bypass capacitors are also involved with power supply connections, as described in detail in
Figure 14 and Figure 15.
LM317EMP
240
1%
390
1%
Vin
12V
Vout
3.3V
ADJ
Vin
Vout
Figure 11. Voltage Regulation using LM317EMP
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