schematic: mark USB reset circuit as dot no place
the additional circuit to reset USB (by pulling D+ low) is not required anymore since the USB controller in the SAM3S integrates this capability. the SAM3S-EK Development Board also demonstrates only the inline 27 Ohm termination resistors are required. this change has been tested (behind 2 USB HUBs). the RESET button still works. resetting using DFU into the bootloader and starting the application from the bootloader still works. Change-Id: I648a041f6d3cf456f1783249546078961f85e662
This commit is contained in:
parent
614ce7a7d8
commit
bea9406bb1
|
@ -468,10 +468,11 @@ $Comp
|
|||
L Device:R R16
|
||||
U 1 1 4DC7A441
|
||||
P 2300 900
|
||||
F 0 "R16" V 2380 900 50 0000 C CNN
|
||||
F 0 "R16" V 2200 900 50 0000 C CNN
|
||||
F 1 "10K" V 2300 900 50 0000 C CNN
|
||||
F 2 "SM0603" H 2300 900 60 0001 C CNN
|
||||
F 3 "" H 2300 900 60 0001 C CNN
|
||||
F 4 "DNP" V 2400 900 50 0000 C CNN "Place"
|
||||
1 2300 900
|
||||
0 1 1 0
|
||||
$EndComp
|
||||
|
@ -483,6 +484,7 @@ F 0 "Q2" V 2000 1350 50 0000 R CNN
|
|||
F 1 "BC847" V 2100 1500 50 0000 R CNN
|
||||
F 2 "SOT23_BC847" H 2150 1100 60 0001 C CNN
|
||||
F 3 "" H 2150 1100 60 0001 C CNN
|
||||
F 4 "DNP" V 2200 1350 50 0000 C CNN "Place"
|
||||
1 2150 1100
|
||||
0 -1 1 0
|
||||
$EndComp
|
||||
|
@ -546,6 +548,7 @@ F 0 "C5" H 2200 1700 50 0000 L CNN
|
|||
F 1 "33pF" H 2150 1900 50 0000 L CNN
|
||||
F 2 "SM0603" H 2150 1800 60 0001 C CNN
|
||||
F 3 "" H 2150 1800 60 0001 C CNN
|
||||
F 4 "DNP" H 2350 1800 50 0000 C CNN "Place"
|
||||
1 2150 1800
|
||||
-1 0 0 1
|
||||
$EndComp
|
||||
|
@ -557,6 +560,7 @@ F 0 "C13" H 2500 2200 50 0000 L CNN
|
|||
F 1 "15pF" H 2500 2000 50 0000 L CNN
|
||||
F 2 "SM0603" H 2700 2100 60 0001 C CNN
|
||||
F 3 "" H 2700 2100 60 0001 C CNN
|
||||
F 4 "DNP" H 2500 2100 50 0000 C CNN "Place"
|
||||
1 2700 2100
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
|
@ -568,6 +572,7 @@ F 0 "C11" H 2900 1900 50 0000 L CNN
|
|||
F 1 "15pF" H 2900 1700 50 0000 L CNN
|
||||
F 2 "SM0603" H 2850 1800 60 0001 C CNN
|
||||
F 3 "" H 2850 1800 60 0001 C CNN
|
||||
F 4 "DNP" H 3050 1800 50 0000 C CNN "Place"
|
||||
1 2850 1800
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
|
@ -1445,10 +1450,11 @@ $Comp
|
|||
L SIMtrace:SCHOTTKY D1
|
||||
U 1 1 526C4CBB
|
||||
P 2150 1450
|
||||
F 0 "D1" H 2150 1550 40 0000 C CNN
|
||||
F 0 "D1" H 2100 1550 40 0000 C CNN
|
||||
F 1 "MBR0530" H 2150 1350 40 0001 C CNN
|
||||
F 2 "SOD123" H 2150 1450 60 0001 C CNN
|
||||
F 3 "~" H 2150 1450 60 0000 C CNN
|
||||
F 3 "" H 2150 1450 60 0000 C CNN
|
||||
F 4 "DNP" H 2250 1550 50 0000 C CNN "Place"
|
||||
1 2150 1450
|
||||
1 0 0 -1
|
||||
$EndComp
|
||||
|
@ -2084,6 +2090,7 @@ F 0 "R1" V 900 700 50 0000 C CNN
|
|||
F 1 "100K" V 1000 700 50 0000 C CNN
|
||||
F 2 "SM0603" H 1000 700 60 0001 C CNN
|
||||
F 3 "" H 1000 700 60 0001 C CNN
|
||||
F 4 "DNP" V 1100 700 50 0000 C CNN "Place"
|
||||
1 1000 700
|
||||
0 1 1 0
|
||||
$EndComp
|
||||
|
@ -2382,10 +2389,11 @@ $Comp
|
|||
L Device:R R3
|
||||
U 1 1 4DC79ECE
|
||||
P 1400 1550
|
||||
F 0 "R3" H 1250 1500 50 0000 C CNN
|
||||
F 1 "1K5" H 1250 1600 50 0000 C CNN
|
||||
F 0 "R3" H 1250 1450 50 0000 C CNN
|
||||
F 1 "1K5" H 1250 1550 50 0000 C CNN
|
||||
F 2 "SM0603" H 1400 1550 60 0001 C CNN
|
||||
F 3 "" H 1400 1550 60 0001 C CNN
|
||||
F 4 "DNP" H 1250 1650 50 0000 C CNN "Place"
|
||||
1 1400 1550
|
||||
-1 0 0 1
|
||||
$EndComp
|
||||
|
@ -2397,6 +2405,7 @@ F 0 "Q1" V 950 800 50 0000 R CNN
|
|||
F 1 "BC847" V 1050 800 50 0000 R CNN
|
||||
F 2 "SOT23_BC847" H 1150 900 60 0001 C CNN
|
||||
F 3 "" H 1150 900 60 0001 C CNN
|
||||
F 4 "DNP" V 1150 700 50 0000 C CNN "Place"
|
||||
1 1150 900
|
||||
0 -1 1 0
|
||||
$EndComp
|
||||
|
|
Binary file not shown.
Loading…
Reference in New Issue