diff --git a/atusb/usb.sch b/atusb/usb.sch index e5c5c30..d0e8f44 100644 --- a/atusb/usb.sch +++ b/atusb/usb.sch @@ -1,4 +1,4 @@ -EESchema Schematic File Version 2 date Mon Jan 3 15:54:00 2011 +EESchema Schematic File Version 2 date Mon Jan 3 16:32:06 2011 LIBS:power LIBS:device LIBS:conn @@ -22,6 +22,8 @@ Comment2 "" Comment3 "" Comment4 "" $EndDescr +Text Notes 2600 5000 0 60 ~ 0 +USB 2.0 limits the capacitative load\non full-speed drivers to 50 pF. Wire Notes Line 6950 900 6900 900 Wire Notes Line @@ -316,6 +318,7 @@ P 3700 4300 F 0 "VR3" V 3780 4300 50 0000 C CNN F 1 "5V6" V 3700 4300 50 0000 C CNN F 2 "0402" H 3700 4300 60 0001 C CNN +F 4 "33pF" V 3600 4400 50 0000 C CNN "Field4" 1 3700 4300 -1 0 0 -1 $EndComp @@ -326,6 +329,7 @@ P 3400 4300 F 0 "VR2" V 3480 4300 50 0000 C CNN F 1 "5V6" V 3400 4300 50 0000 C CNN F 2 "0402" H 3400 4300 60 0001 C CNN +F 4 "33pF" V 3300 4400 50 0000 C CNN "Field4" 1 3400 4300 -1 0 0 -1 $EndComp @@ -336,6 +340,7 @@ P 3100 4300 F 0 "VR1" V 3180 4300 50 0000 C CNN F 1 "5V6" V 3100 4300 50 0000 C CNN F 2 "0402" H 3100 4300 60 0001 C CNN +F 4 "33pF" V 3000 4400 50 0000 C CNN "Field4" 1 3100 4300 -1 0 0 -1 $EndComp