Iei-integration ICE-DB-T6 Uživatelský manuál Strana 6

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Type 6 Carrier Board Design Guide
Page VI
3.9.1 Signal Description ........................................................................................... 53
3.9.2 Giga LAN Connector ....................................................................................... 54
3.9.3 LAN Link Activity and Speed LED................................................................... 55
3.9.4 LAN Routing Guideline.................................................................................... 55
3.9.4.1 Impedance................................................................................................. 55
3.9.4.2 LAN Ground Plane Separation................................................................. 56
3.10 LPC (LOW PIN COUNT INTERFACE) ....................................................................... 56
3.10.1 Signal Description ......................................................................................... 56
3.10.2 LPC Super IO for Legacy IO Support............................................................ 57
3.10.2.1 Keyboard/Mouse..................................................................................... 58
3.10.2.2 RS-232 .................................................................................................... 59
3.11 VGA ...................................................................................................................... 59
3.11.1 Signal Description.......................................................................................... 60
3.11.2 VGA Connector.............................................................................................. 60
3.11.3 VGA DAC Filter............................................................................................. 60
3.11.4 Routing Guide Line........................................................................................ 61
3.11.4.1 HSYNC and VSYNC Signals................................................................. 61
3.11.4.2 ESD......................................................................................................... 61
3.11.4.3 DDC Interface......................................................................................... 61
3.11.5 VGA Reference Design .................................................................................. 61
3.12 MISCELLANEOUS.................................................................................................... 62
3.12.1 Signal Description ......................................................................................... 62
3.12.2 Speaker/FAN Control/RTC Reference............................................................ 64
3.12.2.1 Speaker Out............................................................................................. 64
3.12.2.2 RTC......................................................................................................... 64
3.12.2.3 Fan Control ............................................................................................. 65
4 PCB STACK AND POWER DELIVER DESIGN................................................. 66
4.1 CHAPTER OVERVIEW................................................................................................ 67
4.2 MICROSTRIP OR STRIPLINE....................................................................................... 67
4.3 PCB STACKUP EXAMPLE ......................................................................................... 67
4.3.1 Four-Layer Stack-up........................................................................................ 68
4.3.2 Six-Layer Stack-up ........................................................................................... 68
4.4 ATX POWER DELIVERY GUIDELINES........................................................................ 70
4.4.1 ATX Power States (S0, S3, S4, S5, G3)............................................................ 71
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