
ICE Module
Page vi
4.8.1 Audio Routing Guideline.............................................................................65
4.8.1.1 Analog Power Delivery........................................................................65
4.8.1.2 Digital and Analog Signals Isolation...................................................66
4.8.1.3 EMI Consideration...............................................................................66
4.9 IDE.....................................................................................................................66
4.9.1 Signal Description ......................................................................................66
4.9.2 IDE Connector............................................................................................67
4.9.3 CF Connector..............................................................................................68
4.10 TV-OUT ............................................................................................................69
4.10.1 Signal Description ....................................................................................69
4.10.2 TV-Out Routing Guideline ........................................................................69
4.10.2.1 Signal Termination.............................................................................69
4.10.2.2 Video Filter........................................................................................69
4.10.2.3 ESD Protection...................................................................................70
4.10.2.4 Reference Schematic..........................................................................70
4.11 LAN (LOCAL AREA NETWORK)........................................................................71
4.11.1 Signal Description.....................................................................................71
4.11.2 Giga LAN Connector.................................................................................72
4.11.3 LAN Link Activity and Speed LED............................................................72
4.11.4 LAN Routing Guideline.............................................................................73
4.11.4.1 Impedance ..........................................................................................73
4.11.4.2 LAN Ground Plane Separation..........................................................74
4.12 LPC (LOW PIN COUNT INTERFACE)..................................................................74
4.12.1 Signal Description ....................................................................................74
4.12.2 Clock and Reset Buffer..............................................................................75
4.12.3 LPC SuperIO for Legacy IO Support........................................................76
4.12.3.1 Keyboard/Mouse................................................................................76
4.12.3.2 RS-232/Floppy/LPT/IR......................................................................77
4.13 VGA.................................................................................................................79
4.13.1 Signal Description ....................................................................................79
4.13.2 VGA Connector.........................................................................................80
4.13.3 VGA DAC Filter........................................................................................80
4.13.4 Routing Guide Line...................................................................................80
4.13.4.1 HSYNC and VSYNC Signals............................................................80
4.13.4.2 ESD....................................................................................................80
4.13.4.3 DDC Interface....................................................................................80
4.13.5 VGA Reference Design .............................................................................81
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