Intel VC820 Design Guide - Page 228
Do Not, Stuff, USB CONNECTORS
View all Intel VC820 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 228 highlights
8 7 6 5 4 3 2 1 USB Connectors VCC3_3 R83 330K D AC97_OC# 17 Do Not Stuff R82 0K VCC3_3 VCC5 C102 R86 4.7K 0.1UF C U7 TPS2042 OC#0 11 10K R87 C109 OC#0_RC VCC3_3 2 IN OUT1 7 8 OC#1 OUT2 6 5 OC#2 EN#1 3 1 GND EN#2 4 0.1UF USBPWR1_F L11 2 1 C99 68UF-TANT C44 0.1UF USBP0N 11 USBP0P 11 C98, C99 must have low ESR. R240 15-1% R242 15-1% C239 47PF C241 47PF R49 15K R47 15K R50 0K R48 0K USBD0N_R USBD0P_R R377 0K R378 0K USBV0 USBD0N USBD0P USBG0 Do Not Stuff AC97_USB+ 17 AC97_USB- 17 1 C38 470PF 2 L7 D J3 USB_STK C 1 VCC0 2 DATA0- 3 DATA0+ 4 GND0 5 VCC1 6 DATA1- 7 DATA1+ 8 GND1 R91 4.7K C39 C40 47PF C42 47PF OC#1 11 10K R97 C120 0.1UF B 21 A 8 VCC3_3 OC#1_RC USBPWR2_F AGP_OC# R368 330K R88 0K Do Not Stuff USBP1N 11 USBP1P 11 R243 15 R244 15 C244 47PF C245 47PF 15 ohm resistors and 47pf caps should be within 1" of ICH 7 6 R45 15K R43 15K R41 0K R42 0K L10 2 1 C98 68UF-TANT C43 0.1UF C41 47PF 47PF Place caps close to connector. C39-C42 for test and debug only. B USBP1N_R USBP1P_R 5 4 USBV1 R46 USBD1N 0K R44 USBD1P 0K USBG1 Do Not Stuff 1 C37 470PF 2 L6 USBAGP+ A 21 USBAGP21 TITLE: INTEL(R) 820 CHIPSET DUAL PROCESSOR CUSTOMER REFERENCE BOARD REV: USB CONNECTORS 3.03 R PCD PLATFORM DESIGN DRAWN BY: PROJECT: 1900 PRAIRIE CITY ROAD FOLSOM, CALIFORNIA 95630 LAST REVISED: SHEET: 11-29-1999_14:46 25 OF 38 3 2 1