schematics v1.9.2: load capacitors for 32768 Hz quartz.

Depending on internal capacitance of quartz and RTC chip,
external capacitors are sometimes required (see RTC datasheet).

power.bak

@@ -7,7 +7,7 @@ encoding utf-8
 Sheet 3 11
 Title "ULX3S"
 Date ""
-Rev "1.0.1"
+Rev "1.0.2"
 Comp "EMARD"
 Comment1 "Power"
 Comment2 ""
@@ -792,21 +792,21 @@ $Comp
 L Device:Crystal_GND23 Y2
 U 1 1 58D85AAB
 P 900 3650
-F 0 "Y2" V 750 3450 50  0000 L CNN
+F 0 "Y2" V 900 3300 50  0000 L CNN
-F 1 "32768Hz" V 1050 3250 50  0000 L CNN
+F 1 "32768Hz" V 900 3900 50  0000 L CNN
 F 2 "abs25:Crystal_SMD_ABS25" H 900 3650 50  0001 C CNN
 F 3 "http://www.iqdfrequencyproducts.com/products/pn/LFXTAL003000Reel.pdf" H 900 3650 50  0001 C CNN
 F 4 "www.iqdfrequencyproducts.com" H 900 3650 60  0001 C CNN "MNF1_URL"
 F 5 "LFXTAL003000Reel" H 900 3650 60  0001 C CNN "MPN"
-F 6 "LFXTAL009709Bulk" V 900 3650 50  0001 C CNN "MPN2"
+F 6 "LFXTAL009678REEL" V 900 3650 50  0001 C CNN "MPN2"
 F 7 "CM7V-T1A-32.768k-9pF-20PPM-TA-QA T3" V 900 3650 50  0001 C CNN "MPN3"
 F 8 "www.mouser.com" H 900 3650 60  0001 C CNN "Mouser_URL"
 F 9 "815-ABS25-32.768KHZT" H 900 3650 60  0001 C CNN "Mouser"
-F 10 "449-LFXTAL009709BULK" V 900 3650 50  0001 C CNN "Mouser2"
+F 10 "449-LFXTAL009678REEL " V 900 3650 50  0001 C CNN "Mouser2"
 F 11 "428-201568-MG03" V 900 3650 50  0001 C CNN "Mouser3"
 F 12 "1923-1019-1-ND" V 900 3650 50  0001 C CNN "Digikey"
 	1    900  3650
-	0    1    1    0   
+	0    1    -1   0   
 $EndComp
 NoConn ~ 700  3650
 NoConn ~ 1100 3650
@@ -3235,4 +3235,60 @@ Wire Wire Line
 	2900 3300 3000 3300
 Text GLabel 3300 3300 2    60   Input ~ 0
 US2_ID
+$Comp
+L Device:C C56
+U 1 1 5B446958
+P 900 3250
+F 0 "C56" H 650 3250 50  0000 L CNN
+F 1 "6.8pF" H 650 3150 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 938 3100 50  0001 C CNN
+F 3 "" H 900 3250 50  0000 C CNN
+F 4 "www.yageo.com" H 900 3250 50  0001 C CNN "MNF1_URL"
+F 5 "CC0603DRNPO9BN6R8" H 900 3250 50  0001 C CNN "MPN"
+F 6 "Leave empty" H 900 3250 50  0001 C CNN "Note"
+	1    900  3250
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR090
+U 1 1 5B447139
+P 900 3100
+F 0 "#PWR090" H 900 2850 50  0001 C CNN
+F 1 "GND" H 900 2950 50  0000 C CNN
+F 2 "" H 900 3100 50  0000 C CNN
+F 3 "" H 900 3100 50  0000 C CNN
+	1    900  3100
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	900  3400 900  3450
+Connection ~ 900  3450
+$Comp
+L Device:C C57
+U 1 1 5B489CA2
+P 900 4050
+F 0 "C57" H 650 4050 50  0000 L CNN
+F 1 "6.8pF" H 650 4150 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 938 3900 50  0001 C CNN
+F 3 "" H 900 4050 50  0000 C CNN
+F 4 "www.yageo.com" H 900 4050 50  0001 C CNN "MNF1_URL"
+F 5 "CC0603DRNPO9BN6R8" H 900 4050 50  0001 C CNN "MPN"
+F 6 "Leave empty" H 900 4050 50  0001 C CNN "Note"
+	1    900  4050
+	1    0    0    1   
+$EndComp
+$Comp
+L power:GND #PWR091
+U 1 1 5B489CA8
+P 900 4200
+F 0 "#PWR091" H 900 3950 50  0001 C CNN
+F 1 "GND" H 900 4050 50  0000 C CNN
+F 2 "" H 900 4200 50  0000 C CNN
+F 3 "" H 900 4200 50  0000 C CNN
+	1    900  4200
+	-1   0    0    -1  
+$EndComp
+Wire Wire Line
+	900  3900 900  3850
+Connection ~ 900  3850
 $EndSCHEMATC

power.sch

@@ -7,7 +7,7 @@ encoding utf-8
 Sheet 3 11
 Title "ULX3S"
 Date ""
-Rev "1.0.1"
+Rev "1.0.2"
 Comp "EMARD"
 Comment1 "Power"
 Comment2 ""
@@ -792,8 +792,8 @@ $Comp
 L Device:Crystal_GND23 Y2
 U 1 1 58D85AAB
 P 900 3650
-F 0 "Y2" V 750 3450 50  0000 L CNN
+F 0 "Y2" V 900 3300 50  0000 L CNN
-F 1 "32768Hz" V 1050 3250 50  0000 L CNN
+F 1 "32768Hz" V 900 3900 50  0000 L CNN
 F 2 "abs25:Crystal_SMD_ABS25" H 900 3650 50  0001 C CNN
 F 3 "http://www.iqdfrequencyproducts.com/products/pn/LFXTAL003000Reel.pdf" H 900 3650 50  0001 C CNN
 F 4 "www.iqdfrequencyproducts.com" H 900 3650 60  0001 C CNN "MNF1_URL"
@@ -806,7 +806,7 @@ F 10 "449-LFXTAL009678REEL " V 900 3650 50  0001 C CNN "Mouser2"
 F 11 "428-201568-MG03" V 900 3650 50  0001 C CNN "Mouser3"
 F 12 "1923-1019-1-ND" V 900 3650 50  0001 C CNN "Digikey"
 	1    900  3650
-	0    1    1    0   
+	0    1    -1   0   
 $EndComp
 NoConn ~ 700  3650
 NoConn ~ 1100 3650
@@ -3235,4 +3235,60 @@ Wire Wire Line
 	2900 3300 3000 3300
 Text GLabel 3300 3300 2    60   Input ~ 0
 US2_ID
+$Comp
+L Device:C C56
+U 1 1 5B446958
+P 900 3250
+F 0 "C56" H 650 3250 50  0000 L CNN
+F 1 "6.8pF" H 650 3150 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 938 3100 50  0001 C CNN
+F 3 "" H 900 3250 50  0000 C CNN
+F 4 "www.yageo.com" H 900 3250 50  0001 C CNN "MNF1_URL"
+F 5 "CC0603DRNPO9BN6R8" H 900 3250 50  0001 C CNN "MPN"
+F 6 "Leave empty" H 900 3250 50  0001 C CNN "Note"
+	1    900  3250
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR090
+U 1 1 5B447139
+P 900 3100
+F 0 "#PWR090" H 900 2850 50  0001 C CNN
+F 1 "GND" H 900 2950 50  0000 C CNN
+F 2 "" H 900 3100 50  0000 C CNN
+F 3 "" H 900 3100 50  0000 C CNN
+	1    900  3100
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	900  3400 900  3450
+Connection ~ 900  3450
+$Comp
+L Device:C C57
+U 1 1 5B489CA2
+P 900 4050
+F 0 "C57" H 650 4050 50  0000 L CNN
+F 1 "6.8pF" H 650 4150 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 938 3900 50  0001 C CNN
+F 3 "" H 900 4050 50  0000 C CNN
+F 4 "www.yageo.com" H 900 4050 50  0001 C CNN "MNF1_URL"
+F 5 "CC0603DRNPO9BN6R8" H 900 4050 50  0001 C CNN "MPN"
+F 6 "Leave empty" H 900 4050 50  0001 C CNN "Note"
+	1    900  4050
+	1    0    0    1   
+$EndComp
+$Comp
+L power:GND #PWR091
+U 1 1 5B489CA8
+P 900 4200
+F 0 "#PWR091" H 900 3950 50  0001 C CNN
+F 1 "GND" H 900 4050 50  0000 C CNN
+F 2 "" H 900 4200 50  0000 C CNN
+F 3 "" H 900 4200 50  0000 C CNN
+	1    900  4200
+	-1   0    0    -1  
+$EndComp
+Wire Wire Line
+	900  3900 900  3850
+Connection ~ 900  3850
 $EndSCHEMATC

ulx3s.sch

@@ -7,7 +7,7 @@ encoding utf-8
 Sheet 1 11
 Title "ULX3S"
 Date ""
-Rev "1.9.1"
+Rev "1.9.2"
 Comp "EMARD"
 Comment1 "Root sheet"
 Comment2 ""