diff --git a/pcb/RevA/rste-cache.lib b/pcb/RevA/rste-cache.lib
index 73c3849..644d289 100644
--- a/pcb/RevA/rste-cache.lib
+++ b/pcb/RevA/rste-cache.lib
@@ -1,6 +1,22 @@
 EESchema-LIBRARY Version 2.3
 #encoding utf-8
 #
+# +3V3
+#
+DEF +3V3 #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "+3V3" 0 140 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS +3.3V
+DRAW
+P 2 0 1 0 -30 50 0 100 N
+P 2 0 1 0 0 0 0 100 N
+P 2 0 1 0 0 100 30 50 N
+X +3V3 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
 # +5V
 #
 DEF +5V #PWR 0 0 Y Y 1 F P
@@ -82,6 +98,29 @@ X ~ 2 0 -150 110 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# CP
+#
+DEF CP C 0 10 N Y 1 F N
+F0 "C" 25 100 50 H V L CNN
+F1 "CP" 25 -100 50 H V L CNN
+F2 "" 38 -150 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ CP_*
+$ENDFPLIST
+DRAW
+S -90 20 -90 40 0 1 0 N
+S -90 20 90 20 0 1 0 N
+S 90 -20 -90 -40 0 1 0 F
+S 90 40 -90 40 0 1 0 N
+S 90 40 90 20 0 1 0 N
+P 2 0 1 0 -70 90 -30 90 N
+P 2 0 1 0 -50 110 -50 70 N
+X ~ 1 0 150 110 D 50 50 1 1 P
+X ~ 2 0 -150 110 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # CP_Small
 #
 DEF CP_Small C 0 10 N N 1 F N
@@ -468,7 +507,7 @@ ENDDEF
 #
 # SN75172
 #
-DEF SN75172 U 0 40 Y Y 4 F N
+DEF SN75172 U 0 20 Y Y 4 F N
 F0 "U" -150 200 47 H V C CNN
 F1 "SN75172" 200 -200 47 H V C CNN
 F2 "" 0 -50 47 H I C CNN
@@ -477,14 +516,16 @@ $FPLIST
  SOIC-20
 $ENDFPLIST
 DRAW
-T 0 40 110 20 0 0 0 "g/~g" Normal 0 C C
+T 0 40 110 20 0 0 0 "g|~g" Normal 0 C C
 C 110 -30 10 0 1 0 N
 S -200 150 200 -150 0 1 0 f
-P 2 0 1 0 0 0 -25 0 N
+P 2 0 1 0 0 0 -100 0 N
 P 2 0 1 0 40 30 40 80 N
 P 2 0 1 0 100 25 150 25 N
 P 2 0 1 0 100 50 100 -50 N
 P 2 0 1 0 120 -30 150 -30 N
+P 2 0 1 0 150 -30 200 -100 N
+P 2 0 1 0 150 25 200 100 N
 P 4 0 1 0 0 50 100 0 0 -50 0 50 N
 X 1A 1 -350 0 150 R 40 40 1 1 B
 X 1Y 2 350 100 150 L 40 40 1 1 B
diff --git a/pcb/RevA/rste.sch b/pcb/RevA/rste.sch
index 9e1b695..e81286c 100644
--- a/pcb/RevA/rste.sch
+++ b/pcb/RevA/rste.sch
@@ -61,227 +61,157 @@ $EndComp
 $Comp
 L ENC28J60-C/SS U?
 U 1 1 5B2A6DFE
-P 7000 2075
-F 0 "U?" H 6450 3025 50  0000 L CNN
-F 1 "ENC28J60-C/SS" H 7200 3025 50  0000 L CNN
-F 2 "SSOP-28" H 7000 2075 50  0001 C CIN
-F 3 "" H 7000 2075 50  0001 C CNN
-	1    7000 2075
+P 6550 2325
+F 0 "U?" H 6000 3275 50  0000 L CNN
+F 1 "ENC28J60-C/SS" H 5725 1375 50  0000 L CNN
+F 2 "SSOP-28" H 6550 2325 50  0001 C CIN
+F 3 "" H 6550 2325 50  0001 C CNN
+	1    6550 2325
 	1    0    0    -1  
 $EndComp
 $Comp
 L RJ45-TRANSFO J?
 U 1 1 5B2BCB23
-P 10025 1925
-F 0 "J?" H 10125 2525 50  0000 L CNN
-F 1 "RJ45-TRANSFO" H 9975 2525 50  0000 R CNN
-F 2 "" H 10025 1925 50  0001 C CNN
-F 3 "" H 10025 1925 50  0001 C CNN
-	1    10025 1925
+P 10425 1925
+F 0 "J?" H 9325 2525 50  0000 L CNN
+F 1 "RJ45-TRANSFO" H 10775 1325 50  0000 R CNN
+F 2 "" H 10425 1925 50  0001 C CNN
+F 3 "" H 10425 1925 50  0001 C CNN
+	1    10425 1925
 	1    0    0    -1  
 $EndComp
 $Comp
 L MIC4680 U?
 U 1 1 5B3217BF
-P 2425 950
-F 0 "U?" H 2075 1300 50  0000 C CNN
-F 1 "MIC4680" H 2775 600 50  0000 C CNN
-F 2 "" H 2425 950 60  0001 C CNN
-F 3 "" H 2425 950 60  0001 C CNN
-	1    2425 950 
+P 8775 4125
+F 0 "U?" H 8425 4475 50  0000 C CNN
+F 1 "MIC4680" H 9125 3775 50  0000 C CNN
+F 2 "" H 8775 4125 60  0001 C CNN
+F 3 "" H 8775 4125 60  0001 C CNN
+	1    8775 4125
 	1    0    0    -1  
 $EndComp
 $Comp
 L D_Schottky D?
 U 1 1 5B321B81
-P 3050 1300
-F 0 "D?" V 2925 1375 50  0000 C CNN
-F 1 "SS26" V 3150 1400 50  0000 C CNN
-F 2 "" H 3050 1300 50  0001 C CNN
-F 3 "" H 3050 1300 50  0001 C CNN
-	1    3050 1300
+P 9400 4475
+F 0 "D?" V 9275 4550 50  0000 C CNN
+F 1 "SS26" V 9500 4575 50  0000 C CNN
+F 2 "" H 9400 4475 50  0001 C CNN
+F 3 "" H 9400 4475 50  0001 C CNN
+	1    9400 4475
 	0    1    1    0   
 $EndComp
 $Comp
 L L L?
 U 1 1 5B321C58
-P 3275 800
-F 0 "L?" V 3350 850 50  0000 C CNN
-F 1 "68uH" V 3225 850 50  0000 C CNN
-F 2 "" H 3275 800 50  0001 C CNN
-F 3 "" H 3275 800 50  0001 C CNN
-	1    3275 800 
+P 9625 3975
+F 0 "L?" V 9700 4025 50  0000 C CNN
+F 1 "68uH" V 9575 4025 50  0000 C CNN
+F 2 "" H 9625 3975 50  0001 C CNN
+F 3 "" H 9625 3975 50  0001 C CNN
+	1    9625 3975
 	0    -1   -1   0   
 $EndComp
 $Comp
 L CP_Small C?
 U 1 1 5B321F5E
-P 1100 950
-F 0 "C?" H 1110 1020 50  0000 L CNN
-F 1 "15pF/35V" H 1110 870 50  0000 L CNN
-F 2 "" H 1100 950 50  0001 C CNN
-F 3 "" H 1100 950 50  0001 C CNN
-	1    1100 950 
+P 7450 4125
+F 0 "C?" H 7460 4195 50  0000 L CNN
+F 1 "15uF/35V" H 7460 4045 50  0000 L CNN
+F 2 "" H 7450 4125 50  0001 C CNN
+F 3 "" H 7450 4125 50  0001 C CNN
+	1    7450 4125
 	1    0    0    -1  
 $EndComp
 $Comp
 L CP_Small C?
 U 1 1 5B321FDB
-P 4000 1200
-F 0 "C?" H 4010 1270 50  0000 L CNN
-F 1 "220uF/10V" H 4010 1120 50  0000 L CNN
-F 2 "" H 4000 1200 50  0001 C CNN
-F 3 "" H 4000 1200 50  0001 C CNN
-	1    4000 1200
+P 10350 4375
+F 0 "C?" H 10360 4445 50  0000 L CNN
+F 1 "220uF/10V" H 10360 4295 50  0000 L CNN
+F 2 "" H 10350 4375 50  0001 C CNN
+F 3 "" H 10350 4375 50  0001 C CNN
+	1    10350 4375
 	1    0    0    -1  
 $EndComp
 $Comp
 L R R?
 U 1 1 5B32210E
-P 3550 1025
-F 0 "R?" H 3650 1125 50  0000 C CNN
-F 1 "3.01K" H 3725 950 50  0000 C CNN
-F 2 "" V 3480 1025 50  0001 C CNN
-F 3 "" H 3550 1025 50  0001 C CNN
-	1    3550 1025
+P 9900 4200
+F 0 "R?" H 10000 4300 50  0000 C CNN
+F 1 "3.01K" H 10075 4125 50  0000 C CNN
+F 2 "" V 9830 4200 50  0001 C CNN
+F 3 "" H 9900 4200 50  0001 C CNN
+	1    9900 4200
 	1    0    0    -1  
 $EndComp
 $Comp
 L R R?
 U 1 1 5B322173
-P 3550 1375
-F 0 "R?" H 3650 1450 50  0000 C CNN
-F 1 "1.788K" H 3725 1250 50  0000 C CNN
-F 2 "" V 3480 1375 50  0001 C CNN
-F 3 "" H 3550 1375 50  0001 C CNN
-	1    3550 1375
+P 9900 4550
+F 0 "R?" H 10000 4625 50  0000 C CNN
+F 1 "982R" H 10050 4475 50  0000 C CNN
+F 2 "" V 9830 4550 50  0001 C CNN
+F 3 "" H 9900 4550 50  0001 C CNN
+	1    9900 4550
 	1    0    0    -1  
 $EndComp
 $Comp
 L Conn_01x02 J?
 U 1 1 5B322696
-P 650 800
-F 0 "J?" H 650 900 50  0000 C CNN
-F 1 "Con_2" H 650 600 50  0000 C CNN
-F 2 "" H 650 800 50  0001 C CNN
-F 3 "" H 650 800 50  0001 C CNN
-	1    650  800 
+P 7000 3975
+F 0 "J?" H 7000 4075 50  0000 C CNN
+F 1 "Con_2" H 7000 3775 50  0000 C CNN
+F 2 "" H 7000 3975 50  0001 C CNN
+F 3 "" H 7000 3975 50  0001 C CNN
+	1    7000 3975
 	-1   0    0    -1  
 $EndComp
 $Comp
 L GND #PWR?
 U 1 1 5B322C74
-P 1100 1100
-F 0 "#PWR?" H 1100 850 50  0001 C CNN
-F 1 "GND" H 1100 950 50  0000 C CNN
-F 2 "" H 1100 1100 50  0001 C CNN
-F 3 "" H 1100 1100 50  0001 C CNN
-	1    1100 1100
+P 7450 4275
+F 0 "#PWR?" H 7450 4025 50  0001 C CNN
+F 1 "GND" H 7450 4125 50  0000 C CNN
+F 2 "" H 7450 4275 50  0001 C CNN
+F 3 "" H 7450 4275 50  0001 C CNN
+	1    7450 4275
 	1    0    0    -1  
 $EndComp
 $Comp
 L GND #PWR?
 U 1 1 5B3247B7
-P 2475 1550
-F 0 "#PWR?" H 2475 1300 50  0001 C CNN
-F 1 "GND" H 2475 1400 50  0000 C CNN
-F 2 "" H 2475 1550 50  0001 C CNN
-F 3 "" H 2475 1550 50  0001 C CNN
-	1    2475 1550
+P 8825 4725
+F 0 "#PWR?" H 8825 4475 50  0001 C CNN
+F 1 "GND" H 8825 4575 50  0000 C CNN
+F 2 "" H 8825 4725 50  0001 C CNN
+F 3 "" H 8825 4725 50  0001 C CNN
+	1    8825 4725
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	850  800  1875 800 
-Wire Wire Line
-	1100 850  1100 800 
-Connection ~ 1100 800 
-Wire Wire Line
-	1100 1050 1100 1100
-Wire Wire Line
-	850  900  925  900 
-Wire Wire Line
-	925  900  925  1075
-Wire Wire Line
-	925  1075 1575 1075
-Connection ~ 1100 1075
-Wire Wire Line
-	1575 1075 1575 1050
-Wire Wire Line
-	1575 1050 1875 1050
-Wire Wire Line
-	2975 800  3125 800 
-Wire Wire Line
-	3050 1150 3050 800 
-Connection ~ 3050 800 
-Wire Wire Line
-	3550 1175 3550 1225
-Wire Wire Line
-	2975 1050 3325 1050
-Wire Wire Line
-	3325 1050 3325 1200
-Wire Wire Line
-	3325 1200 3550 1200
-Connection ~ 3550 1200
 $Comp
 L GND #PWR?
 U 1 1 5B3262AA
-P 3550 1575
-F 0 "#PWR?" H 3550 1325 50  0001 C CNN
-F 1 "GND" H 3550 1425 50  0000 C CNN
-F 2 "" H 3550 1575 50  0001 C CNN
-F 3 "" H 3550 1575 50  0001 C CNN
-	1    3550 1575
+P 9900 4750
+F 0 "#PWR?" H 9900 4500 50  0001 C CNN
+F 1 "GND" H 9900 4600 50  0000 C CNN
+F 2 "" H 9900 4750 50  0001 C CNN
+F 3 "" H 9900 4750 50  0001 C CNN
+	1    9900 4750
 	1    0    0    -1  
 $EndComp
 $Comp
 L GND #PWR?
 U 1 1 5B326416
-P 4000 1350
-F 0 "#PWR?" H 4000 1100 50  0001 C CNN
-F 1 "GND" H 4000 1200 50  0000 C CNN
-F 2 "" H 4000 1350 50  0001 C CNN
-F 3 "" H 4000 1350 50  0001 C CNN
-	1    4000 1350
+P 10350 4525
+F 0 "#PWR?" H 10350 4275 50  0001 C CNN
+F 1 "GND" H 10350 4375 50  0000 C CNN
+F 2 "" H 10350 4525 50  0001 C CNN
+F 3 "" H 10350 4525 50  0001 C CNN
+	1    10350 4525
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	3050 1500 3050 1450
-Wire Wire Line
-	2275 1500 3050 1500
-Wire Wire Line
-	2275 1500 2275 1400
-Wire Wire Line
-	2475 1400 2475 1550
-Connection ~ 2475 1500
-Wire Wire Line
-	2375 1400 2375 1500
-Connection ~ 2375 1500
-Wire Wire Line
-	2575 1400 2575 1500
-Connection ~ 2575 1500
-Wire Wire Line
-	3550 1525 3550 1575
-Wire Wire Line
-	4000 1300 4000 1350
-$Comp
-L +5V #PWR?
-U 1 1 5B326D69
-P 4000 725
-F 0 "#PWR?" H 4000 575 50  0001 C CNN
-F 1 "+5V" H 4000 865 50  0000 C CNN
-F 2 "" H 4000 725 50  0001 C CNN
-F 3 "" H 4000 725 50  0001 C CNN
-	1    4000 725 
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	4000 725  4000 1100
-Wire Wire Line
-	3425 800  4000 800 
-Connection ~ 4000 800 
-Wire Wire Line
-	3550 875  3550 800 
-Connection ~ 3550 800 
 $Comp
 L GND #PWR?
 U 1 1 5B329C0C
@@ -293,16 +223,6 @@ F 3 "" H 1550 4750 50  0001 C CNN
 	1    1550 4750
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	1625 4475 1550 4475
-Wire Wire Line
-	1550 4475 1550 4750
-Wire Wire Line
-	1550 4575 1625 4575
-Connection ~ 1550 4575
-Wire Wire Line
-	1625 4675 1550 4675
-Connection ~ 1550 4675
 $Comp
 L C C?
 U 1 1 5B32A1F9
@@ -325,12 +245,6 @@ F 3 "" H 1500 3375 50  0001 C CNN
 	1    1500 3375
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	1625 2975 1500 2975
-Wire Wire Line
-	1500 2975 1500 3025
-Wire Wire Line
-	1500 3325 1500 3375
 $Comp
 L C C?
 U 1 1 5B32A8F2
@@ -343,27 +257,6 @@ F 3 "" H 1225 2375 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L +5V #PWR?
-U 1 1 5B32A9F1
-P 1500 2250
-F 0 "#PWR?" H 1500 2100 50  0001 C CNN
-F 1 "+5V" H 1500 2390 50  0000 C CNN
-F 2 "" H 1500 2250 50  0001 C CNN
-F 3 "" H 1500 2250 50  0001 C CNN
-	1    1500 2250
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	1500 2250 1500 2675
-Wire Wire Line
-	1500 2675 1625 2675
-Wire Wire Line
-	1375 2375 1625 2375
-Connection ~ 1500 2375
-Wire Wire Line
-	1625 2475 1500 2475
-Connection ~ 1500 2475
-$Comp
 L GND #PWR?
 U 1 1 5B32AE1B
 P 1000 2425
@@ -374,10 +267,6 @@ F 3 "" H 1000 2425 50  0001 C CNN
 	1    1000 2425
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	1075 2375 1000 2375
-Wire Wire Line
-	1000 2375 1000 2425
 NoConn ~ 1625 3725
 NoConn ~ 1625 3825
 $Comp
@@ -435,43 +324,6 @@ F 3 "" H 3025 7475 50  0001 C CNN
 	1    3025 7475
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	3025 5650 3025 7475
-Wire Wire Line
-	3025 5650 2900 5650
-Wire Wire Line
-	2900 6225 3025 6225
-Connection ~ 3025 6225
-Wire Wire Line
-	2925 6800 3025 6800
-Connection ~ 3025 6800
-Wire Wire Line
-	2925 7375 3025 7375
-Connection ~ 3025 7375
-Wire Wire Line
-	3525 4375 3600 4375
-Wire Wire Line
-	3600 4375 3600 5450
-Wire Wire Line
-	3600 5450 2900 5450
-Wire Wire Line
-	3525 4275 3700 4275
-Wire Wire Line
-	3700 4275 3700 6025
-Wire Wire Line
-	3700 6025 2900 6025
-Wire Wire Line
-	3525 4175 3800 4175
-Wire Wire Line
-	3800 4175 3800 6600
-Wire Wire Line
-	3800 6600 2925 6600
-Wire Wire Line
-	3525 3975 3900 3975
-Wire Wire Line
-	3900 3975 3900 7175
-Wire Wire Line
-	3900 7175 2925 7175
 $Comp
 L R R?
 U 1 1 5B334A61
@@ -516,18 +368,6 @@ F 3 "" H 3325 7000 50  0001 C CNN
 	1    3325 7000
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	3325 6000 3325 6025
-Connection ~ 3325 6025
-Wire Wire Line
-	3325 5400 3325 5450
-Connection ~ 3325 5450
-Wire Wire Line
-	3325 7150 3325 7175
-Connection ~ 3325 7175
-Wire Wire Line
-	3325 6575 3325 6600
-Connection ~ 3325 6600
 $Comp
 L +5V #PWR?
 U 1 1 5B3260E7
@@ -539,8 +379,6 @@ F 3 "" H 3325 5675 50  0001 C CNN
 	1    3325 5675
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	3325 5675 3325 5700
 $Comp
 L +5V #PWR?
 U 1 1 5B327562
@@ -563,23 +401,6 @@ F 3 "" H 3325 6825 50  0001 C CNN
 	1    3325 6825
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	3325 6825 3325 6850
-Wire Wire Line
-	3325 6250 3325 6275
-$Comp
-L +5V #PWR?
-U 1 1 5B328171
-P 3325 5075
-F 0 "#PWR?" H 3325 4925 50  0001 C CNN
-F 1 "+5V" H 3325 5215 50  0000 C CNN
-F 2 "" H 3325 5075 50  0001 C CNN
-F 3 "" H 3325 5075 50  0001 C CNN
-	1    3325 5075
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	3325 5075 3325 5100
 $Comp
 L Conn_01x08 J?
 U 1 1 5B32AE99
@@ -635,6 +456,605 @@ F 3 "" H 1900 6600 50  0001 C CNN
 	1    1900 6600
 	0    1    1    0   
 $EndComp
+$Comp
+L Crystal Y?
+U 1 1 5B362D19
+P 4100 3025
+F 0 "Y?" V 3950 2950 50  0000 C CNN
+F 1 "16Mhz" V 4350 3025 50  0000 C CNN
+F 2 "" H 4100 3025 50  0001 C CNN
+F 3 "" H 4100 3025 50  0001 C CNN
+	1    4100 3025
+	0    1    1    0   
+$EndComp
+$Comp
+L C C?
+U 1 1 5B362E27
+P 4425 3225
+F 0 "C?" V 4300 3200 50  0000 L CNN
+F 1 "22pF" V 4550 3150 50  0000 L CNN
+F 2 "" H 4463 3075 50  0001 C CNN
+F 3 "" H 4425 3225 50  0001 C CNN
+	1    4425 3225
+	0    1    1    0   
+$EndComp
+$Comp
+L C C?
+U 1 1 5B362EA6
+P 4425 2825
+F 0 "C?" V 4300 2800 50  0000 L CNN
+F 1 "22pF" V 4550 2750 50  0000 L CNN
+F 2 "" H 4463 2675 50  0001 C CNN
+F 3 "" H 4425 2825 50  0001 C CNN
+	1    4425 2825
+	0    1    1    0   
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B363B3E
+P 4675 3275
+F 0 "#PWR?" H 4675 3025 50  0001 C CNN
+F 1 "GND" H 4675 3125 50  0000 C CNN
+F 2 "" H 4675 3275 50  0001 C CNN
+F 3 "" H 4675 3275 50  0001 C CNN
+	1    4675 3275
+	1    0    0    -1  
+$EndComp
+$Comp
+L Conn_02x03_Odd_Even J?
+U 1 1 5B3640FD
+P 4225 1825
+F 0 "J?" H 4275 2025 50  0000 C CNN
+F 1 "Conn_02x03" H 4275 1625 50  0000 C CNN
+F 2 "" H 4225 1825 50  0001 C CNN
+F 3 "" H 4225 1825 50  0001 C CNN
+	1    4225 1825
+	1    0    0    -1  
+$EndComp
+Text Label 4550 1725 0    47   ~ 0
+CLK
+Text Label 4550 1825 0    47   ~ 0
+DO
+Text Label 4550 1925 0    47   ~ 0
+DI
+Text Label 3775 1825 0    47   ~ 0
+RESET
+$Comp
+L GND #PWR?
+U 1 1 5B3659FF
+P 3825 2000
+F 0 "#PWR?" H 3825 1750 50  0001 C CNN
+F 1 "GND" H 3825 1850 50  0000 C CNN
+F 2 "" H 3825 2000 50  0001 C CNN
+F 3 "" H 3825 2000 50  0001 C CNN
+	1    3825 2000
+	1    0    0    -1  
+$EndComp
+$Comp
+L SN75172 U?
+U 1 1 5B3698EF
+P 5125 4075
+F 0 "U?" H 4975 4275 47  0000 C CNN
+F 1 "SN75172" H 5325 3875 47  0000 C CNN
+F 2 "" H 5125 4025 47  0001 C CNN
+F 3 "" H 5125 4025 47  0001 C CNN
+	1    5125 4075
+	1    0    0    -1  
+$EndComp
+$Comp
+L SN75172 U?
+U 2 1 5B369F8C
+P 5125 4925
+F 0 "U?" H 4975 5125 47  0000 C CNN
+F 1 "SN75172" H 5325 4725 47  0000 C CNN
+F 2 "" H 5125 4875 47  0001 C CNN
+F 3 "" H 5125 4875 47  0001 C CNN
+	2    5125 4925
+	1    0    0    -1  
+$EndComp
+$Comp
+L SN75172 U?
+U 3 1 5B36A053
+P 5125 5400
+F 0 "U?" H 4975 5600 47  0000 C CNN
+F 1 "SN75172" H 5325 5200 47  0000 C CNN
+F 2 "" H 5125 5350 47  0001 C CNN
+F 3 "" H 5125 5350 47  0001 C CNN
+	3    5125 5400
+	1    0    0    -1  
+$EndComp
+$Comp
+L SN75172 U?
+U 4 1 5B36A10E
+P 5125 5875
+F 0 "U?" H 4975 6075 47  0000 C CNN
+F 1 "SN75172" H 5325 5675 47  0000 C CNN
+F 2 "" H 5125 5825 47  0001 C CNN
+F 3 "" H 5125 5825 47  0001 C CNN
+	4    5125 5875
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B3A1163
+P 5125 4425
+F 0 "#PWR?" H 5125 4175 50  0001 C CNN
+F 1 "GND" H 5125 4275 50  0000 C CNN
+F 2 "" H 5125 4425 50  0001 C CNN
+F 3 "" H 5125 4425 50  0001 C CNN
+	1    5125 4425
+	1    0    0    -1  
+$EndComp
+NoConn ~ 4775 3975
+$Comp
+L Conn_01x08 J?
+U 1 1 5B3A39E1
+P 6275 4275
+F 0 "J?" H 6275 4675 50  0000 C CNN
+F 1 "Con_8" H 6275 3775 50  0000 C CNN
+F 2 "" H 6275 4275 50  0001 C CNN
+F 3 "" H 6275 4275 50  0001 C CNN
+	1    6275 4275
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B3A970D
+P 7425 2700
+F 0 "#PWR?" H 7425 2450 50  0001 C CNN
+F 1 "GND" H 7425 2550 50  0000 C CNN
+F 2 "" H 7425 2700 50  0001 C CNN
+F 3 "" H 7425 2700 50  0001 C CNN
+	1    7425 2700
+	1    0    0    -1  
+$EndComp
+$Comp
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+F 3 "" H 6800 1225 50  0001 C CNN
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+F 3 "" H 6275 1225 50  0001 C CNN
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+F 3 "" H 7775 2825 50  0001 C CNN
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+F 3 "" H 7600 3250 50  0001 C CNN
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+F 0 "#PWR?" H 7600 3175 50  0001 C CNN
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+F 2 "" H 7600 3425 50  0001 C CNN
+F 3 "" H 7600 3425 50  0001 C CNN
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+F 2 "" H 7338 3200 50  0001 C CNN
+F 3 "" H 7300 3350 50  0001 C CNN
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+L GND #PWR?
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+F 2 "" H 7300 3525 50  0001 C CNN
+F 3 "" H 7300 3525 50  0001 C CNN
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+F 0 "R?" H 5850 1350 50  0000 C CNN
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+F 3 "" H 5750 1275 50  0001 C CNN
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+F 0 "R?" H 5625 1350 50  0000 C CNN
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+F 3 "" H 5525 1275 50  0001 C CNN
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+F 0 "Y?" V 5250 2650 50  0000 C CNN
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+F 3 "" H 5400 2725 50  0001 C CNN
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+F 0 "#PWR?" H 4875 2900 50  0001 C CNN
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+F 2 "" H 4875 3150 50  0001 C CNN
+F 3 "" H 4875 3150 50  0001 C CNN
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+F 0 "#PWR?" H 5650 2325 50  0001 C CNN
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+F 2 "" H 5650 2475 50  0001 C CNN
+F 3 "" H 5650 2475 50  0001 C CNN
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+L +3.3V #PWR?
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+F 0 "#PWR?" H 5650 850 50  0001 C CNN
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+F 2 "" H 5650 1000 50  0001 C CNN
+F 3 "" H 5650 1000 50  0001 C CNN
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+L +3.3V #PWR?
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+F 0 "#PWR?" H 6550 625 50  0001 C CNN
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+F 2 "" H 6550 775 50  0001 C CNN
+F 3 "" H 6550 775 50  0001 C CNN
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+F 0 "#PWR?" H 7775 1650 50  0001 C CNN
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+F 2 "" H 7775 1800 50  0001 C CNN
+F 3 "" H 7775 1800 50  0001 C CNN
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+	1    0    0    -1  
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+Wire Wire Line
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+Connection ~ 1500 2375
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+Connection ~ 3025 6800
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+Connection ~ 3025 7375
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 3325 6025
+Wire Wire Line
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+Connection ~ 3325 5450
+Wire Wire Line
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+Connection ~ 3325 7175
+Wire Wire Line
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+Connection ~ 3325 6600
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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 Wire Wire Line
 	1050 5450 1750 5450
 Wire Wire Line
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 	1225 6150 1225 7375
 Wire Wire Line
 	1225 7375 2325 7375
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-L Crystal Y?
-U 1 1 5B362D19
-P 4100 3025
-F 0 "Y?" V 3950 2950 50  0000 C CNN
-F 1 "16Mhz" V 4350 3025 50  0000 C CNN
-F 2 "" H 4100 3025 50  0001 C CNN
-F 3 "" H 4100 3025 50  0001 C CNN
-	1    4100 3025
-	0    1    1    0   
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-$Comp
-L C C?
-U 1 1 5B362E27
-P 4425 3225
-F 0 "C?" V 4300 3200 50  0000 L CNN
-F 1 "22pF" V 4550 3150 50  0000 L CNN
-F 2 "" H 4463 3075 50  0001 C CNN
-F 3 "" H 4425 3225 50  0001 C CNN
-	1    4425 3225
-	0    1    1    0   
-$EndComp
-$Comp
-L C C?
-U 1 1 5B362EA6
-P 4425 2825
-F 0 "C?" V 4300 2800 50  0000 L CNN
-F 1 "22pF" V 4550 2750 50  0000 L CNN
-F 2 "" H 4463 2675 50  0001 C CNN
-F 3 "" H 4425 2825 50  0001 C CNN
-	1    4425 2825
-	0    1    1    0   
-$EndComp
 Wire Wire Line
 	3525 2975 3875 2975
 Wire Wire Line
 	3875 2975 3875 2825
 Wire Wire Line
-	3875 2825 4275 2825
+	3875 2825 4100 2825
+Wire Wire Line
+	4100 2825 4275 2825
 Wire Wire Line
 	3525 3075 3875 3075
 Wire Wire Line
 	3875 3075 3875 3225
 Wire Wire Line
-	3875 3225 4275 3225
+	3875 3225 4100 3225
+Wire Wire Line
+	4100 3225 4275 3225
 Wire Wire Line
 	4100 3175 4100 3225
 Connection ~ 4100 3225
@@ -741,32 +1132,12 @@ Connection ~ 4100 2825
 Wire Wire Line
 	4575 2825 4675 2825
 Wire Wire Line
-	4675 2825 4675 3275
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-L GND #PWR?
-U 1 1 5B363B3E
-P 4675 3275
-F 0 "#PWR?" H 4675 3025 50  0001 C CNN
-F 1 "GND" H 4675 3125 50  0000 C CNN
-F 2 "" H 4675 3275 50  0001 C CNN
-F 3 "" H 4675 3275 50  0001 C CNN
-	1    4675 3275
-	1    0    0    -1  
-$EndComp
+	4675 2825 4675 3225
+Wire Wire Line
+	4675 3225 4675 3275
 Wire Wire Line
 	4575 3225 4675 3225
 Connection ~ 4675 3225
-$Comp
-L Conn_02x03_Odd_Even J?
-U 1 1 5B3640FD
-P 4200 2025
-F 0 "J?" H 4250 2225 50  0000 C CNN
-F 1 "Conn_02x03" H 4250 1825 50  0000 C CNN
-F 2 "" H 4200 2025 50  0001 C CNN
-F 3 "" H 4200 2025 50  0001 C CNN
-	1    4200 2025
-	1    0    0    -1  
-$EndComp
 Wire Wire Line
 	3525 2875 3800 2875
 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
 	3525 2775 3750 2775
 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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+	4675 2550 4675 1825
 Wire Wire Line
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+	4525 1825 4675 1825
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
 	3700 2500 4625 2500
 Wire Wire Line
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 Wire Wire Line
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-Text Label 4525 1925 0    47   ~ 0
-CLK
-Text Label 4525 2025 0    47   ~ 0
-DO
-Text Label 4525 2125 0    47   ~ 0
-DI
-Text Label 3750 2025 0    47   ~ 0
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 Wire Wire Line
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 Wire Wire Line
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+	4025 1825 3725 1825
 Wire Wire Line
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+	4025 1725 3825 1725
 Wire Wire Line
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+	3825 1725 3825 1650
 Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Connection ~ 4875 3100
+Wire Wire Line
+	4975 2925 4875 2925
+Connection ~ 4875 2925
+Wire Wire Line
+	5850 2525 5650 2525
+Wire Wire Line
+	5650 2525 5650 2475
+Connection ~ 4725 1925
+Wire Wire Line
+	4900 2025 4900 1825
+Wire Wire Line
+	4900 1825 5850 1825
+Connection ~ 4625 2025
+Wire Wire Line
+	4825 1825 4825 1725
+Wire Wire Line
+	4825 1725 5850 1725
+Connection ~ 4675 1825
+Wire Wire Line
+	3525 2575 3650 2575
+Wire Wire Line
+	3650 2575 3650 2450
+Wire Wire Line
+	3650 2450 4975 2450
+Wire Wire Line
+	4975 2450 4975 2025
+Connection ~ 5525 2025
+NoConn ~ 5850 2225
+NoConn ~ 5850 2325
 $Comp
-L GND #PWR?
-U 1 1 5B3659FF
-P 3825 2200
-F 0 "#PWR?" H 3825 1950 50  0001 C CNN
-F 1 "GND" H 3825 2050 50  0000 C CNN
-F 2 "" H 3825 2200 50  0001 C CNN
-F 3 "" H 3825 2200 50  0001 C CNN
-	1    3825 2200
+L +5V #PWR?
+U 1 1 5B3CD1BD
+P 1500 2250
+F 0 "#PWR?" H 1500 2100 50  0001 C CNN
+F 1 "+5V" H 1500 2390 50  0000 C CNN
+F 2 "" H 1500 2250 50  0001 C CNN
+F 3 "" H 1500 2250 50  0001 C CNN
+	1    1500 2250
 	1    0    0    -1  
 $EndComp
 $Comp
 L +5V #PWR?
-U 1 1 5B365D52
-P 3825 1850
-F 0 "#PWR?" H 3825 1700 50  0001 C CNN
-F 1 "+5V" H 3825 1990 50  0000 C CNN
-F 2 "" H 3825 1850 50  0001 C CNN
-F 3 "" H 3825 1850 50  0001 C CNN
-	1    3825 1850
+U 1 1 5B3CE121
+P 3825 1650
+F 0 "#PWR?" H 3825 1500 50  0001 C CNN
+F 1 "+5V" H 3825 1790 50  0000 C CNN
+F 2 "" H 3825 1650 50  0001 C CNN
+F 3 "" H 3825 1650 50  0001 C CNN
+	1    3825 1650
 	1    0    0    -1  
 $EndComp
 $Comp
-L SN75172 U?
-U 1 1 5B3698EF
-P 5700 3625
-F 0 "U?" H 5550 3825 47  0000 C CNN
-F 1 "SN75172" H 5900 3425 47  0000 C CNN
-F 2 "" H 5700 3575 47  0001 C CNN
-F 3 "" H 5700 3575 47  0001 C CNN
-	1    5700 3625
+L +5V #PWR?
+U 1 1 5B3CF0CF
+P 5125 3650
+F 0 "#PWR?" H 5125 3500 50  0001 C CNN
+F 1 "+5V" H 5125 3790 50  0000 C CNN
+F 2 "" H 5125 3650 50  0001 C CNN
+F 3 "" H 5125 3650 50  0001 C CNN
+	1    5125 3650
 	1    0    0    -1  
 $EndComp
 $Comp
-L SN75172 U?
-U 2 1 5B369F8C
-P 6925 3925
-F 0 "U?" H 6775 4125 47  0000 C CNN
-F 1 "SN75172" H 7125 3725 47  0000 C CNN
-F 2 "" H 6925 3875 47  0001 C CNN
-F 3 "" H 6925 3875 47  0001 C CNN
-	2    6925 3925
+L +5V #PWR?
+U 1 1 5B3CF8F1
+P 3325 5075
+F 0 "#PWR?" H 3325 4925 50  0001 C CNN
+F 1 "+5V" H 3325 5215 50  0000 C CNN
+F 2 "" H 3325 5075 50  0001 C CNN
+F 3 "" H 3325 5075 50  0001 C CNN
+	1    3325 5075
 	1    0    0    -1  
 $EndComp
 $Comp
-L SN75172 U?
-U 3 1 5B36A053
-P 6450 4600
-F 0 "U?" H 6300 4800 47  0000 C CNN
-F 1 "SN75172" H 6650 4400 47  0000 C CNN
-F 2 "" H 6450 4550 47  0001 C CNN
-F 3 "" H 6450 4550 47  0001 C CNN
-	3    6450 4600
+L MIC4680 U?
+U 1 1 5B3D33BF
+P 8775 5475
+F 0 "U?" H 8425 5825 50  0000 C CNN
+F 1 "MIC4680" H 9125 5125 50  0000 C CNN
+F 2 "" H 8775 5475 60  0001 C CNN
+F 3 "" H 8775 5475 60  0001 C CNN
+	1    8775 5475
 	1    0    0    -1  
 $EndComp
 $Comp
-L SN75172 U?
-U 4 1 5B36A10E
-P 7450 5325
-F 0 "U?" H 7300 5525 47  0000 C CNN
-F 1 "SN75172" H 7650 5125 47  0000 C CNN
-F 2 "" H 7450 5275 47  0001 C CNN
-F 3 "" H 7450 5275 47  0001 C CNN
-	4    7450 5325
+L D_Schottky D?
+U 1 1 5B3D33C5
+P 9400 5825
+F 0 "D?" V 9275 5900 50  0000 C CNN
+F 1 "SS26" V 9500 5925 50  0000 C CNN
+F 2 "" H 9400 5825 50  0001 C CNN
+F 3 "" H 9400 5825 50  0001 C CNN
+	1    9400 5825
+	0    1    1    0   
+$EndComp
+$Comp
+L L L?
+U 1 1 5B3D33CB
+P 9625 5325
+F 0 "L?" V 9700 5375 50  0000 C CNN
+F 1 "68uH" V 9575 5375 50  0000 C CNN
+F 2 "" H 9625 5325 50  0001 C CNN
+F 3 "" H 9625 5325 50  0001 C CNN
+	1    9625 5325
+	0    -1   -1   0   
+$EndComp
+$Comp
+L CP_Small C?
+U 1 1 5B3D33D7
+P 10350 5725
+F 0 "C?" H 10360 5795 50  0000 L CNN
+F 1 "220uF/10V" H 10360 5645 50  0000 L CNN
+F 2 "" H 10350 5725 50  0001 C CNN
+F 3 "" H 10350 5725 50  0001 C CNN
+	1    10350 5725
 	1    0    0    -1  
 $EndComp
+$Comp
+L R R?
+U 1 1 5B3D33DD
+P 9900 5550
+F 0 "R?" H 10000 5650 50  0000 C CNN
+F 1 "3.01K" H 10075 5475 50  0000 C CNN
+F 2 "" V 9830 5550 50  0001 C CNN
+F 3 "" H 9900 5550 50  0001 C CNN
+	1    9900 5550
+	1    0    0    -1  
+$EndComp
+$Comp
+L R R?
+U 1 1 5B3D33E3
+P 9900 5900
+F 0 "R?" H 10000 5975 50  0000 C CNN
+F 1 "1.788K" H 10075 5775 50  0000 C CNN
+F 2 "" V 9830 5900 50  0001 C CNN
+F 3 "" H 9900 5900 50  0001 C CNN
+	1    9900 5900
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B3D33F5
+P 8825 6075
+F 0 "#PWR?" H 8825 5825 50  0001 C CNN
+F 1 "GND" H 8825 5925 50  0000 C CNN
+F 2 "" H 8825 6075 50  0001 C CNN
+F 3 "" H 8825 6075 50  0001 C CNN
+	1    8825 6075
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B3D33FB
+P 9900 6100
+F 0 "#PWR?" H 9900 5850 50  0001 C CNN
+F 1 "GND" H 9900 5950 50  0000 C CNN
+F 2 "" H 9900 6100 50  0001 C CNN
+F 3 "" H 9900 6100 50  0001 C CNN
+	1    9900 6100
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B3D3401
+P 10350 5875
+F 0 "#PWR?" H 10350 5625 50  0001 C CNN
+F 1 "GND" H 10350 5725 50  0000 C CNN
+F 2 "" H 10350 5875 50  0001 C CNN
+F 3 "" H 10350 5875 50  0001 C CNN
+	1    10350 5875
+	1    0    0    -1  
+$EndComp
+$Comp
+L +3.3V #PWR?
+U 1 1 5B3D3407
+P 10350 5250
+F 0 "#PWR?" H 10350 5100 50  0001 C CNN
+F 1 "+3.3V" H 10350 5390 50  0000 C CNN
+F 2 "" H 10350 5250 50  0001 C CNN
+F 3 "" H 10350 5250 50  0001 C CNN
+	1    10350 5250
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9325 5325 9400 5325
+Wire Wire Line
+	9400 5325 9475 5325
+Wire Wire Line
+	9400 5675 9400 5325
+Connection ~ 9400 5325
+Wire Wire Line
+	9900 5700 9900 5725
+Wire Wire Line
+	9900 5725 9900 5750
+Wire Wire Line
+	9325 5575 9675 5575
+Wire Wire Line
+	9675 5575 9675 5725
+Wire Wire Line
+	9675 5725 9900 5725
+Connection ~ 9900 5725
+Wire Wire Line
+	9400 6025 9400 5975
+Wire Wire Line
+	8125 6025 8625 6025
+Wire Wire Line
+	8625 6025 8725 6025
+Wire Wire Line
+	8725 6025 8825 6025
+Wire Wire Line
+	8825 6025 8925 6025
+Wire Wire Line
+	8925 6025 9400 6025
+Wire Wire Line
+	8625 6025 8625 5925
+Wire Wire Line
+	8825 5925 8825 6025
+Wire Wire Line
+	8825 6025 8825 6075
+Connection ~ 8825 6025
+Wire Wire Line
+	8725 5925 8725 6025
+Connection ~ 8725 6025
+Wire Wire Line
+	8925 5925 8925 6025
+Connection ~ 8925 6025
+Wire Wire Line
+	9900 6050 9900 6100
+Wire Wire Line
+	10350 5825 10350 5875
+Wire Wire Line
+	10350 5250 10350 5325
+Wire Wire Line
+	10350 5325 10350 5625
+Wire Wire Line
+	9775 5325 9900 5325
+Wire Wire Line
+	9900 5325 10350 5325
+Connection ~ 10350 5325
+Wire Wire Line
+	9900 5400 9900 5325
+Connection ~ 9900 5325
+Wire Wire Line
+	8225 5325 8075 5325
+Wire Wire Line
+	8075 5325 8075 3975
+Connection ~ 8075 3975
+Wire Wire Line
+	8225 5575 8125 5575
+Wire Wire Line
+	8125 5575 8125 6025
+Connection ~ 8625 6025
+$Comp
+L +5V #PWR?
+U 1 1 5B3D58BE
+P 10350 3900
+F 0 "#PWR?" H 10350 3750 50  0001 C CNN
+F 1 "+5V" H 10350 4040 50  0000 C CNN
+F 2 "" H 10350 3900 50  0001 C CNN
+F 3 "" H 10350 3900 50  0001 C CNN
+	1    10350 3900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7250 1625 8200 1625
+Wire Wire Line
+	8200 1625 8200 2325
+Wire Wire Line
+	8200 2325 9125 2325
+Wire Wire Line
+	7250 1525 8300 1525
+Wire Wire Line
+	8300 1525 8300 2125
+Wire Wire Line
+	8300 2125 9125 2125
+$Comp
+L R R?
+U 1 1 5B3DA432
+P 8425 2700
+F 0 "R?" H 8375 2550 50  0000 C CNN
+F 1 "180R" H 8275 2800 50  0000 C CNN
+F 2 "" V 8355 2700 50  0001 C CNN
+F 3 "" H 8425 2700 50  0001 C CNN
+	1    8425 2700
+	-1   0    0    1   
+$EndComp
+$Comp
+L R R?
+U 1 1 5B3DA5EC
+P 8775 2700
+F 0 "R?" H 8725 2550 50  0000 C CNN
+F 1 "180R" H 8625 2800 50  0000 C CNN
+F 2 "" V 8705 2700 50  0001 C CNN
+F 3 "" H 8775 2700 50  0001 C CNN
+	1    8775 2700
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	8425 2550 8425 2225
+Wire Wire Line
+	8425 2225 9125 2225
+Wire Wire Line
+	9125 2425 8775 2425
+Wire Wire Line
+	8775 2425 8775 2550
+Wire Wire Line
+	8425 2850 8425 2900
+Wire Wire Line
+	8775 2850 8775 2900
+$Comp
+L GND #PWR?
+U 1 1 5B3DB7ED
+P 8425 2900
+F 0 "#PWR?" H 8425 2650 50  0001 C CNN
+F 1 "GND" H 8425 2750 50  0000 C CNN
+F 2 "" H 8425 2900 50  0001 C CNN
+F 3 "" H 8425 2900 50  0001 C CNN
+	1    8425 2900
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B3DB93C
+P 8775 2900
+F 0 "#PWR?" H 8775 2650 50  0001 C CNN
+F 1 "GND" H 8775 2750 50  0000 C CNN
+F 2 "" H 8775 2900 50  0001 C CNN
+F 3 "" H 8775 2900 50  0001 C CNN
+	1    8775 2900
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4725 1725 4525 1725
+Wire Wire Line
+	4625 1925 4525 1925
+$Comp
+L GND #PWR?
+U 1 1 5B3DF6B6
+P 11075 2400
+F 0 "#PWR?" H 11075 2150 50  0001 C CNN
+F 1 "GND" H 11075 2250 50  0000 C CNN
+F 2 "" H 11075 2400 50  0001 C CNN
+F 3 "" H 11075 2400 50  0001 C CNN
+	1    11075 2400
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9125 2025 9025 2025
+Wire Wire Line
+	9025 2025 9025 2525
+$Comp
+L GND #PWR?
+U 1 1 5B3E031F
+P 9025 2525
+F 0 "#PWR?" H 9025 2275 50  0001 C CNN
+F 1 "GND" H 9025 2375 50  0000 C CNN
+F 2 "" H 9025 2525 50  0001 C CNN
+F 3 "" H 9025 2525 50  0001 C CNN
+	1    9025 2525
+	1    0    0    -1  
+$EndComp
+NoConn ~ 5850 3125
+Wire Wire Line
+	7250 2425 7700 2425
+Wire Wire Line
+	7250 2525 7700 2525
+Wire Wire Line
+	7925 1825 7925 1875
+Wire Wire Line
+	7250 1925 7700 1925
+Wire Wire Line
+	7250 2025 7700 2025
+Wire Wire Line
+	11025 2325 11075 2325
+Wire Wire Line
+	11075 2325 11075 2400
+$Comp
+L R R?
+U 1 1 5B3F5D2C
+P 8750 1175
+F 0 "R?" H 8700 1025 50  0000 C CNN
+F 1 "180R" H 8600 1250 50  0000 C CNN
+F 2 "" V 8680 1175 50  0001 C CNN
+F 3 "" H 8750 1175 50  0001 C CNN
+	1    8750 1175
+	-1   0    0    1   
+$EndComp
+$Comp
+L R R?
+U 1 1 5B3F5E0B
+P 8400 1175
+F 0 "R?" H 8350 1025 50  0000 C CNN
+F 1 "180R" H 8550 1250 50  0000 C CNN
+F 2 "" V 8330 1175 50  0001 C CNN
+F 3 "" H 8400 1175 50  0001 C CNN
+	1    8400 1175
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	8750 1325 8750 1425
+Wire Wire Line
+	8750 1425 9125 1425
+Wire Wire Line
+	8400 1325 8400 1625
+Wire Wire Line
+	8400 1625 9125 1625
+Wire Wire Line
+	9125 1525 8575 1525
+Wire Wire Line
+	8575 1525 8575 925 
+$Comp
+L L L?
+U 1 1 5B3F8BFA
+P 8175 925
+F 0 "L?" V 8250 975 50  0000 C CNN
+F 1 "68uH" V 8125 975 50  0000 C CNN
+F 2 "" H 8175 925 50  0001 C CNN
+F 3 "" H 8175 925 50  0001 C CNN
+	1    8175 925 
+	0    -1   -1   0   
+$EndComp
+$Comp
+L C C?
+U 1 1 5B3FA27D
+P 9025 925
+F 0 "C?" V 8975 1000 50  0000 L CNN
+F 1 "100nF" V 9150 825 50  0000 L CNN
+F 2 "" H 9063 775 50  0001 C CNN
+F 3 "" H 9025 925 50  0001 C CNN
+	1    9025 925 
+	0    1    1    0   
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 5B3FA67D
+P 9250 1000
+F 0 "#PWR?" H 9250 750 50  0001 C CNN
+F 1 "GND" H 9250 850 50  0000 C CNN
+F 2 "" H 9250 1000 50  0001 C CNN
+F 3 "" H 9250 1000 50  0001 C CNN
+	1    9250 1000
+	1    0    0    -1  
+$EndComp
+$Comp
+L +3.3V #PWR?
+U 1 1 5B3FB74C
+P 7925 875
+F 0 "#PWR?" H 7925 725 50  0001 C CNN
+F 1 "+3.3V" H 7925 1015 50  0000 C CNN
+F 2 "" H 7925 875 50  0001 C CNN
+F 3 "" H 7925 875 50  0001 C CNN
+	1    7925 875 
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7925 875  7925 925 
+Wire Wire Line
+	7925 925  8025 925 
+Wire Wire Line
+	8325 925  8400 925 
+Wire Wire Line
+	8400 925  8575 925 
+Wire Wire Line
+	8575 925  8750 925 
+Wire Wire Line
+	8750 925  8875 925 
+Connection ~ 8575 925 
+Wire Wire Line
+	8750 1025 8750 925 
+Connection ~ 8750 925 
+Wire Wire Line
+	8400 1025 8400 925 
+Connection ~ 8400 925 
+Wire Wire Line
+	9175 925  9250 925 
+Wire Wire Line
+	9250 925  9250 1000
+Text Label 8775 1425 0    60   ~ 0
+TPOUT+
+Text Label 8775 1625 0    60   ~ 0
+TPOUT-
 $EndSCHEMATC