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-rw-r--r--audio_in.sch548
-rw-r--r--microcontroller.sch175
-rw-r--r--samdac-cache.lib38
3 files changed, 704 insertions, 57 deletions
diff --git a/audio_in.sch b/audio_in.sch
index e164622..c65d10b 100644
--- a/audio_in.sch
+++ b/audio_in.sch
@@ -52,45 +52,543 @@ $EndDescr
$Comp
L FC684206R CON2
U 1 1 56B78D8D
-P 1650 2150
-F 0 "CON2" H 1681 2787 60 0000 C CNN
-F 1 "FC684206R" H 1681 2681 60 0000 C CNN
-F 2 "digitalscurf:FC684206R" H 1600 1750 60 0001 C CNN
-F 3 "" H 1600 1750 60 0000 C CNN
- 1 1650 2150
- 1 0 0 -1
+P 8750 1550
+F 0 "CON2" H 8781 2187 60 0000 C CNN
+F 1 "FC684206R" H 8781 2081 60 0000 C CNN
+F 2 "digitalscurf:FC684206R" H 8700 1150 60 0001 C CNN
+F 3 "" H 8700 1150 60 0000 C CNN
+ 1 8750 1550
+ -1 0 0 -1
$EndComp
$Comp
L SRC4392PFB U1
U 1 1 56C07A18
-P 4750 3200
-F 0 "U1" H 4750 5037 60 0000 C CNN
-F 1 "SRC4392PFB" H 4750 4931 60 0000 C CNN
-F 2 "Housings_QFP:TQFP-48_7x7mm_Pitch0.5mm" H 4700 2550 60 0001 C CNN
-F 3 "" H 4700 2550 60 0000 C CNN
- 1 4750 3200
+P 5450 2700
+F 0 "U1" H 5450 4537 60 0000 C CNN
+F 1 "SRC4392PFB" H 5450 4431 60 0000 C CNN
+F 2 "Housings_QFP:TQFP-48_7x7mm_Pitch0.5mm" H 5400 2050 60 0001 C CNN
+F 3 "" H 5400 2050 60 0000 C CNN
+ 1 5450 2700
1 0 0 -1
$EndComp
$Comp
L FXO-HC73 X1
U 1 1 56C09904
-P 2000 4700
-F 0 "X1" H 2000 5437 60 0000 C CNN
-F 1 "FXO-HC736R-22.5792" H 2000 5331 60 0000 C CNN
-F 2 "digitalscurf:FXO-7x5mm" H 2000 4700 60 0001 C CNN
-F 3 "" H 2000 4700 60 0000 C CNN
- 1 2000 4700
+P 4300 7300
+F 0 "X1" H 4300 8037 60 0000 C CNN
+F 1 "FXO-HC736R-22.5792" H 4300 7931 60 0000 C CNN
+F 2 "digitalscurf:FXO-7x5mm" H 4300 7300 60 0001 C CNN
+F 3 "" H 4300 7300 60 0000 C CNN
+ 1 4300 7300
1 0 0 -1
$EndComp
$Comp
L FXO-HC73 X2
U 1 1 56C09931
-P 2000 5550
-F 0 "X2" H 2000 6287 60 0000 C CNN
-F 1 "FXO-HC736R-24.576" H 2000 6181 60 0000 C CNN
-F 2 "digitalscurf:FXO-7x5mm" H 2000 5550 60 0001 C CNN
-F 3 "" H 2000 5550 60 0000 C CNN
- 1 2000 5550
+P 4300 6450
+F 0 "X2" H 4300 7187 60 0000 C CNN
+F 1 "FXO-HC736R-24.576" H 4300 7081 60 0000 C CNN
+F 2 "digitalscurf:FXO-7x5mm" H 4300 6450 60 0001 C CNN
+F 3 "" H 4300 6450 60 0000 C CNN
+ 1 4300 6450
+ 1 0 0 -1
+$EndComp
+$Comp
+L MIC550X-xYMT U7
+U 1 1 56C68642
+P 7100 5000
+F 0 "U7" H 7100 5637 60 0000 C CNN
+F 1 "MIC550X-xYMT" H 7100 5531 60 0000 C CNN
+F 2 "TO_SOT_Packages_SMD:SOT-23-5" H 7100 5000 60 0001 C CNN
+F 3 "" H 7100 5000 60 0000 C CNN
+ 1 7100 5000
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6050 4650 6650 4650
+Wire Wire Line
+ 6650 4800 6450 4800
+Wire Wire Line
+ 6450 4800 6450 4650
+Connection ~ 6450 4650
+$Comp
+L GND #PWR13
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+F 1 "GND" H 6058 4976 50 0000 C CNN
+F 2 "" H 6050 5150 50 0000 C CNN
+F 3 "" H 6050 5150 50 0000 C CNN
+ 1 6050 5150
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 7550 4650 9350 4650
+Wire Wire Line
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+Wire Wire Line
+ 6050 5150 10550 5150
+Connection ~ 7100 5150
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+$Comp
+L +5V #PWR12
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+F 1 "+5V" H 6068 4774 50 0000 C CNN
+F 2 "" H 6050 4600 50 0000 C CNN
+F 3 "" H 6050 4600 50 0000 C CNN
+ 1 6050 4600
+ 1 0 0 -1
+$EndComp
+$Comp
+L C C15
+U 1 1 56C6865E
+P 6150 4900
+F 0 "C15" H 6265 4946 50 0000 L CNN
+F 1 "1uF" H 6265 4854 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 6188 4750 50 0001 C CNN
+F 3 "" H 6150 4900 50 0000 C CNN
+ 1 6150 4900
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6150 5050 6150 5150
+Connection ~ 6150 5150
+Wire Wire Line
+ 6150 4750 6150 4650
+Connection ~ 6150 4650
+$Comp
+L C C20
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+F 0 "C20" H 7765 4946 50 0000 L CNN
+F 1 "10uF" H 7765 4854 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 7688 4750 50 0001 C CNN
+F 3 "" H 7650 4900 50 0000 C CNN
+ 1 7650 4900
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 7650 5050 7650 5150
+Connection ~ 7650 5150
+Wire Wire Line
+ 7650 4750 7650 4650
+Connection ~ 7650 4650
+$Comp
+L MIC550X-xYMT U8
+U 1 1 56C6880D
+P 7100 6200
+F 0 "U8" H 7100 6837 60 0000 C CNN
+F 1 "MIC550X-xYMT" H 7100 6731 60 0000 C CNN
+F 2 "TO_SOT_Packages_SMD:SOT-23-5" H 7100 6200 60 0001 C CNN
+F 3 "" H 7100 6200 60 0000 C CNN
+ 1 7100 6200
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6050 5850 6650 5850
+Wire Wire Line
+ 6650 6000 6450 6000
+Wire Wire Line
+ 6450 6000 6450 5850
+Connection ~ 6450 5850
+$Comp
+L GND #PWR15
+U 1 1 56C68818
+P 6050 6350
+F 0 "#PWR15" H 6050 6100 50 0001 C CNN
+F 1 "GND" H 6058 6176 50 0000 C CNN
+F 2 "" H 6050 6350 50 0000 C CNN
+F 3 "" H 6050 6350 50 0000 C CNN
+ 1 6050 6350
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 7550 5850 9050 5850
+Wire Wire Line
+ 7100 6350 7100 6300
+Wire Wire Line
+ 6050 6350 9600 6350
+Connection ~ 7100 6350
+Wire Wire Line
+ 6050 5850 6050 5800
+$Comp
+L +5V #PWR14
+U 1 1 56C68823
+P 6050 5800
+F 0 "#PWR14" H 6050 5650 50 0001 C CNN
+F 1 "+5V" H 6068 5974 50 0000 C CNN
+F 2 "" H 6050 5800 50 0000 C CNN
+F 3 "" H 6050 5800 50 0000 C CNN
+ 1 6050 5800
+ 1 0 0 -1
+$EndComp
+$Comp
+L C C16
+U 1 1 56C68829
+P 6150 6100
+F 0 "C16" H 6265 6146 50 0000 L CNN
+F 1 "1uF" H 6265 6054 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 6188 5950 50 0001 C CNN
+F 3 "" H 6150 6100 50 0000 C CNN
+ 1 6150 6100
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6150 6250 6150 6350
+Connection ~ 6150 6350
+Wire Wire Line
+ 6150 5950 6150 5850
+Connection ~ 6150 5850
+$Comp
+L C C21
+U 1 1 56C68834
+P 7650 6100
+F 0 "C21" H 7765 6146 50 0000 L CNN
+F 1 "10uF" H 7765 6054 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 7688 5950 50 0001 C CNN
+F 3 "" H 7650 6100 50 0000 C CNN
+ 1 7650 6100
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 7650 6250 7650 6350
+Connection ~ 7650 6350
+Wire Wire Line
+ 7650 5950 7650 5850
+Connection ~ 7650 5850
+Text Label 7900 4650 0 60 ~ 0
+3v3-SRC
+Text Label 7850 5850 0 60 ~ 0
+1v8-SRC
+Wire Wire Line
+ 3900 3500 4700 3500
+Wire Wire Line
+ 4050 3900 4700 3900
+Connection ~ 4050 3900
+Wire Wire Line
+ 4050 3800 4700 3800
+Connection ~ 4050 3800
+Wire Wire Line
+ 3900 3700 4700 3700
+Wire Wire Line
+ 4050 3600 4700 3600
+Wire Wire Line
+ 4050 3500 4050 3600
+Wire Wire Line
+ 4050 3700 4050 4000
+Wire Wire Line
+ 3900 3500 3900 3700
+Connection ~ 4050 3700
+Connection ~ 4050 3500
+Text Notes 2750 3700 0 60 ~ 0
+Connect BGND to AGND,\nnot direct to GND plane
+$Comp
+L GND #PWR11
+U 1 1 56C69C9C
+P 4050 4000
+F 0 "#PWR11" H 4050 3750 50 0001 C CNN
+F 1 "GND" H 4058 3826 50 0000 C CNN
+F 2 "" H 4050 4000 50 0000 C CNN
+F 3 "" H 4050 4000 50 0000 C CNN
+ 1 4050 4000
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 4700 3300 4000 3300
+Wire Wire Line
+ 4150 3200 4700 3200
+Wire Wire Line
+ 4000 3000 4700 3000
+Wire Wire Line
+ 4000 3100 4700 3100
+Text Label 4150 3300 0 60 ~ 0
+1v8-SRC
+Text Label 4150 3100 0 60 ~ 0
+3v3-SRC
+$Comp
+L C C23
+U 1 1 56C6A396
+P 8150 6100
+F 0 "C23" H 8265 6146 50 0000 L CNN
+F 1 "100nF" H 8265 6054 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 8188 5950 50 0001 C CNN
+F 3 "" H 8150 6100 50 0000 C CNN
+ 1 8150 6100
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 8150 6250 8150 6350
+Connection ~ 8150 6350
+Wire Wire Line
+ 8150 5950 8150 5850
+Connection ~ 8150 5850
+Wire Wire Line
+ 4150 3100 4150 3200
+Connection ~ 4150 3100
+Text Label 4150 3000 0 60 ~ 0
+3v3-SRC_F
+$Comp
+L C C22
+U 1 1 56C6B4EC
+P 8050 4900
+F 0 "C22" H 8165 4946 50 0000 L CNN
+F 1 "10uF" H 8165 4854 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 8088 4750 50 0001 C CNN
+F 3 "" H 8050 4900 50 0000 C CNN
+ 1 8050 4900
1 0 0 -1
$EndComp
+$Comp
+L C C24
+U 1 1 56C6B538
+P 8450 4900
+F 0 "C24" H 8565 4946 50 0000 L CNN
+F 1 "100nF" H 8565 4854 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 8488 4750 50 0001 C CNN
+F 3 "" H 8450 4900 50 0000 C CNN
+ 1 8450 4900
+ 1 0 0 -1
+$EndComp
+$Comp
+L C C25
+U 1 1 56C6B57B
+P 8900 4900
+F 0 "C25" H 9015 4946 50 0000 L CNN
+F 1 "10uF" H 9015 4854 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 8938 4750 50 0001 C CNN
+F 3 "" H 8900 4900 50 0000 C CNN
+ 1 8900 4900
+ 1 0 0 -1
+$EndComp
+$Comp
+L C C26
+U 1 1 56C6B5C1
+P 9300 4900
+F 0 "C26" H 9415 4946 50 0000 L CNN
+F 1 "100nF" H 9415 4854 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 9338 4750 50 0001 C CNN
+F 3 "" H 9300 4900 50 0000 C CNN
+ 1 9300 4900
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 9300 4750 9300 4650
+Connection ~ 9300 4650
+Wire Wire Line
+ 8900 4750 8900 4650
+Connection ~ 8900 4650
+Wire Wire Line
+ 8450 4750 8450 4650
+Connection ~ 8450 4650
+Wire Wire Line
+ 8050 4750 8050 4650
+Connection ~ 8050 4650
+Wire Wire Line
+ 8050 5050 8050 5150
+Connection ~ 8050 5150
+Wire Wire Line
+ 8450 5050 8450 5150
+Connection ~ 8450 5150
+Wire Wire Line
+ 8900 5050 8900 5150
+Connection ~ 8900 5150
+Wire Wire Line
+ 9300 5050 9300 5150
+Connection ~ 9300 5150
+Wire Wire Line
+ 10050 4650 10700 4650
+Text Label 10150 4650 0 60 ~ 0
+3v3-SRC_F
+$Comp
+L FILTER FB2
+U 1 1 56C6BA7A
+P 9700 4650
+F 0 "FB2" H 9700 4891 50 0000 C CNN
+F 1 "FILTER" H 9700 4799 50 0000 C CNN
+F 2 "" H 9700 4650 50 0000 C CNN
+F 3 "" H 9700 4650 50 0000 C CNN
+ 1 9700 4650
+ 1 0 0 -1
+$EndComp
+$Comp
+L C C27
+U 1 1 56C6BC6E
+P 10150 4900
+F 0 "C27" H 10265 4946 50 0000 L CNN
+F 1 "10uF" H 10265 4854 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 10188 4750 50 0001 C CNN
+F 3 "" H 10150 4900 50 0000 C CNN
+ 1 10150 4900
+ 1 0 0 -1
+$EndComp
+$Comp
+L C C28
+U 1 1 56C6BCE7
+P 10550 4900
+F 0 "C28" H 10665 4946 50 0000 L CNN
+F 1 "100nF" H 10665 4854 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 10588 4750 50 0001 C CNN
+F 3 "" H 10550 4900 50 0000 C CNN
+ 1 10550 4900
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 10550 5150 10550 5050
+Wire Wire Line
+ 10150 5050 10150 5150
+Connection ~ 10150 5150
+Wire Wire Line
+ 10150 4750 10150 4650
+Connection ~ 10150 4650
+Wire Wire Line
+ 10550 4750 10550 4650
+Connection ~ 10550 4650
+Wire Wire Line
+ 8300 1250 7550 1250
+Wire Wire Line
+ 8300 1350 7550 1350
+Wire Wire Line
+ 7550 1350 7550 1400
+Wire Wire Line
+ 8300 1450 7800 1450
+Wire Wire Line
+ 7800 1450 7800 1650
+Wire Wire Line
+ 7800 1650 6200 1650
+Wire Wire Line
+ 8300 1700 7900 1700
+Wire Wire Line
+ 7900 1700 7900 1750
+Wire Wire Line
+ 8300 1800 8100 1800
+Wire Wire Line
+ 8100 1800 8100 2050
+Wire Wire Line
+ 6400 1950 7350 1950
+Wire Wire Line
+ 7650 1950 8100 1950
+$Comp
+L GND #PWR18
+U 1 1 56C6D950
+P 7550 1400
+F 0 "#PWR18" H 7550 1150 50 0001 C CNN
+F 1 "GND" H 7558 1226 50 0000 C CNN
+F 2 "" H 7550 1400 50 0000 C CNN
+F 3 "" H 7550 1400 50 0000 C CNN
+ 1 7550 1400
+ 1 0 0 -1
+$EndComp
+$Comp
+L GND #PWR19
+U 1 1 56C6D988
+P 7900 1750
+F 0 "#PWR19" H 7900 1500 50 0001 C CNN
+F 1 "GND" H 7908 1576 50 0000 C CNN
+F 2 "" H 7900 1750 50 0000 C CNN
+F 3 "" H 7900 1750 50 0000 C CNN
+ 1 7900 1750
+ 1 0 0 -1
+$EndComp
+Text Label 7650 1250 0 60 ~ 0
+3v3-SRC_F
+$Comp
+L C C18
+U 1 1 56C6E3F3
+P 6650 1750
+F 0 "C18" V 6397 1750 50 0000 C CNN
+F 1 "100nF" V 6489 1750 50 0000 C CNN
+F 2 "" H 6688 1600 50 0000 C CNN
+F 3 "" H 6650 1750 50 0000 C CNN
+ 1 6650 1750
+ 0 1 1 0
+$EndComp
+$Comp
+L C C17
+U 1 1 56C6E47A
+P 6650 1350
+F 0 "C17" V 6397 1350 50 0000 C CNN
+F 1 "100nF" V 6489 1350 50 0000 C CNN
+F 2 "" H 6688 1200 50 0000 C CNN
+F 3 "" H 6650 1350 50 0000 C CNN
+ 1 6650 1350
+ 0 1 1 0
+$EndComp
+$Comp
+L GND #PWR16
+U 1 1 56C6E4E0
+P 6950 1350
+F 0 "#PWR16" H 6950 1100 50 0001 C CNN
+F 1 "GND" V 6958 1222 50 0000 R CNN
+F 2 "" H 6950 1350 50 0000 C CNN
+F 3 "" H 6950 1350 50 0000 C CNN
+ 1 6950 1350
+ 0 -1 -1 0
+$EndComp
+$Comp
+L GND #PWR17
+U 1 1 56C6E558
+P 6950 1750
+F 0 "#PWR17" H 6950 1500 50 0001 C CNN
+F 1 "GND" V 6958 1622 50 0000 R CNN
+F 2 "" H 6950 1750 50 0000 C CNN
+F 3 "" H 6950 1750 50 0000 C CNN
+ 1 6950 1750
+ 0 -1 -1 0
+$EndComp
+Wire Wire Line
+ 6950 1350 6800 1350
+Wire Wire Line
+ 6950 1750 6800 1750
+Wire Wire Line
+ 6500 1750 6200 1750
+Wire Wire Line
+ 6500 1350 6200 1350
+$Comp
+L R R2
+U 1 1 56C6E814
+P 8100 2200
+F 0 "R2" H 8170 2246 50 0000 L CNN
+F 1 "75R" H 8170 2154 50 0000 L CNN
+F 2 "" V 8030 2200 50 0000 C CNN
+F 3 "" H 8100 2200 50 0000 C CNN
+ 1 8100 2200
+ 1 0 0 -1
+$EndComp
+Connection ~ 8100 1950
+Wire Wire Line
+ 8100 2350 8100 2450
+$Comp
+L GND #PWR20
+U 1 1 56C6EA4D
+P 8100 2450
+F 0 "#PWR20" H 8100 2200 50 0001 C CNN
+F 1 "GND" H 8108 2276 50 0000 C CNN
+F 2 "" H 8100 2450 50 0000 C CNN
+F 3 "" H 8100 2450 50 0000 C CNN
+ 1 8100 2450
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6200 1250 6400 1250
+Wire Wire Line
+ 6400 1250 6400 1950
+$Comp
+L C C19
+U 1 1 56C6EFB9
+P 7500 1950
+F 0 "C19" V 7247 1950 50 0000 C CNN
+F 1 "100nF" V 7339 1950 50 0000 C CNN
+F 2 "" H 7538 1800 50 0000 C CNN
+F 3 "" H 7500 1950 50 0000 C CNN
+ 1 7500 1950
+ 0 1 1 0
+$EndComp
+NoConn ~ 6200 3350
+NoConn ~ 6200 3250
+NoConn ~ 6200 3150
+NoConn ~ 6200 3050
+NoConn ~ 6200 2950
$EndSCHEMATC
diff --git a/microcontroller.sch b/microcontroller.sch
index fc263e4..686e27f 100644
--- a/microcontroller.sch
+++ b/microcontroller.sch
@@ -72,14 +72,14 @@ F 3 "" H 2950 5450 50 0000 C CNN
1 0 0 -1
$EndComp
$Comp
-L CONN_02X10 P3
+L CONN_02X05 P3
U 1 1 56B7989C
-P 9650 5200
-F 0 "P3" H 9650 5866 50 0000 C CNN
-F 1 "CONN_02X10" H 9650 5774 50 0000 C CNN
-F 2 "Pin_Headers:Pin_Header_Straight_2x10" H 9650 4000 50 0001 C CNN
-F 3 "" H 9650 4000 50 0000 C CNN
- 1 9650 5200
+P 10200 5850
+F 0 "P3" H 10200 6516 50 0000 C CNN
+F 1 "CONN_02X10" H 10200 6424 50 0000 C CNN
+F 2 "Pin_Headers:Pin_Header_Straight_2x10" H 10200 4650 50 0001 C CNN
+F 3 "" H 10200 4650 50 0000 C CNN
+ 1 10200 5850
1 0 0 -1
$EndComp
$Comp
@@ -105,10 +105,10 @@ F 3 "" V 10300 3400 50 0000 C CNN
0 1 1 0
$EndComp
$Comp
-L CGND #PWR19
+L CGND #PWR31
U 1 1 56C09368
P 10450 3900
-F 0 "#PWR19" H 10450 3650 50 0001 C CNN
+F 0 "#PWR31" H 10450 3650 50 0001 C CNN
F 1 "CGND" H 10433 3726 50 0000 C CNN
F 2 "" H 10450 3900 50 0000 C CNN
F 3 "" H 10450 3900 50 0000 C CNN
@@ -116,10 +116,10 @@ F 3 "" H 10450 3900 50 0000 C CNN
1 0 0 -1
$EndComp
$Comp
-L GND #PWR18
+L GND #PWR30
U 1 1 56C097EB
P 10050 3700
-F 0 "#PWR18" H 10050 3450 50 0001 C CNN
+F 0 "#PWR30" H 10050 3450 50 0001 C CNN
F 1 "GND" H 10058 3526 50 0000 C CNN
F 2 "" H 10050 3700 50 0000 C CNN
F 3 "" H 10050 3700 50 0000 C CNN
@@ -139,10 +139,10 @@ Wire Wire Line
Wire Wire Line
9300 3400 10050 3400
$Comp
-L GND #PWR17
+L GND #PWR29
U 1 1 56C09DD6
P 7750 3500
-F 0 "#PWR17" H 7750 3250 50 0001 C CNN
+F 0 "#PWR29" H 7750 3250 50 0001 C CNN
F 1 "GND" H 7758 3326 50 0000 C CNN
F 2 "" H 7750 3500 50 0000 C CNN
F 3 "" H 7750 3500 50 0000 C CNN
@@ -194,14 +194,14 @@ Wire Wire Line
1650 1350 1650 1200
Connection ~ 1650 1200
$Comp
-L GND #PWR14
+L GND #PWR23
U 1 1 56C62F11
-P 2300 1750
-F 0 "#PWR14" H 2300 1500 50 0001 C CNN
-F 1 "GND" H 2308 1576 50 0000 C CNN
-F 2 "" H 2300 1750 50 0000 C CNN
-F 3 "" H 2300 1750 50 0000 C CNN
- 1 2300 1750
+P 1250 1700
+F 0 "#PWR23" H 1250 1450 50 0001 C CNN
+F 1 "GND" H 1258 1526 50 0000 C CNN
+F 2 "" H 1250 1700 50 0000 C CNN
+F 3 "" H 1250 1700 50 0000 C CNN
+ 1 1250 1700
1 0 0 -1
$EndComp
Wire Wire Line
@@ -217,17 +217,15 @@ Wire Wire Line
5550 1200 5550 2100
Connection ~ 5250 1850
Wire Wire Line
- 2300 1650 2300 1750
-Wire Wire Line
1250 1700 5050 1700
Connection ~ 2300 1700
Wire Wire Line
1250 1200 1250 1150
$Comp
-L +5V #PWR12
+L +5V #PWR22
U 1 1 56C631C4
P 1250 1150
-F 0 "#PWR12" H 1250 1000 50 0001 C CNN
+F 0 "#PWR22" H 1250 1000 50 0001 C CNN
F 1 "+5V" H 1268 1324 50 0000 C CNN
F 2 "" H 1250 1150 50 0000 C CNN
F 3 "" H 1250 1150 50 0000 C CNN
@@ -368,10 +366,10 @@ Wire Wire Line
5050 5500 5050 5800
Connection ~ 5050 5800
$Comp
-L GND #PWR16
+L GND #PWR26
U 1 1 56C64BC9
P 5250 5900
-F 0 "#PWR16" H 5250 5650 50 0001 C CNN
+F 0 "#PWR26" H 5250 5650 50 0001 C CNN
F 1 "GND" H 5258 5726 50 0000 C CNN
F 2 "" H 5250 5900 50 0000 C CNN
F 3 "" H 5250 5900 50 0000 C CNN
@@ -426,10 +424,10 @@ Wire Wire Line
Wire Wire Line
2250 7250 2250 7350
$Comp
-L GND #PWR13
+L GND #PWR24
U 1 1 56C65BAE
P 2250 7350
-F 0 "#PWR13" H 2250 7100 50 0001 C CNN
+F 0 "#PWR24" H 2250 7100 50 0001 C CNN
F 1 "GND" H 2258 7176 50 0000 C CNN
F 2 "" H 2250 7350 50 0000 C CNN
F 3 "" H 2250 7350 50 0000 C CNN
@@ -516,10 +514,10 @@ F 3 "" H 2950 2550 50 0000 C CNN
0 1 1 0
$EndComp
$Comp
-L GND #PWR15
+L GND #PWR25
U 1 1 56C688DC
P 2600 2550
-F 0 "#PWR15" H 2600 2300 50 0001 C CNN
+F 0 "#PWR25" H 2600 2300 50 0001 C CNN
F 1 "GND" V 2608 2422 50 0000 R CNN
F 2 "" H 2600 2550 50 0000 C CNN
F 3 "" H 2600 2550 50 0000 C CNN
@@ -578,10 +576,10 @@ Wire Wire Line
Wire Wire Line
3050 2850 3050 2800
$Comp
-L GND #PWR11
+L GND #PWR21
U 1 1 56C63A4A
P 1050 3200
-F 0 "#PWR11" H 1050 2950 50 0001 C CNN
+F 0 "#PWR21" H 1050 2950 50 0001 C CNN
F 1 "GND" H 1058 3026 50 0000 C CNN
F 2 "" H 1050 3200 50 0000 C CNN
F 3 "" H 1050 3200 50 0000 C CNN
@@ -609,4 +607,117 @@ Wire Wire Line
Connection ~ 1050 3150
Text Notes 1400 7250 0 60 ~ 0
This capacitor\nbetter near the\nSTM32 if poss.
+$Comp
+L MIC550X-xYMT U6
+U 1 1 56C64D39
+P 8000 6000
+F 0 "U6" H 8000 6637 60 0000 C CNN
+F 1 "MIC550X-xYMT" H 8000 6531 60 0000 C CNN
+F 2 "TO_SOT_Packages_SMD:SOT-23-5" H 8000 6000 60 0001 C CNN
+F 3 "" H 8000 6000 60 0000 C CNN
+ 1 8000 6000
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 6950 5650 7550 5650
+Wire Wire Line
+ 7550 5800 7350 5800
+Wire Wire Line
+ 7350 5800 7350 5650
+Connection ~ 7350 5650
+$Comp
+L GND #PWR28
+U 1 1 56C64D43
+P 6950 6150
+F 0 "#PWR28" H 6950 5900 50 0001 C CNN
+F 1 "GND" H 6958 5976 50 0000 C CNN
+F 2 "" H 6950 6150 50 0000 C CNN
+F 3 "" H 6950 6150 50 0000 C CNN
+ 1 6950 6150
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 8450 5650 9950 5650
+Wire Wire Line
+ 8000 6150 8000 6100
+Wire Wire Line
+ 6950 6150 10500 6150
+Connection ~ 8000 6150
+Wire Wire Line
+ 6950 5650 6950 5600
+$Comp
+L +5V #PWR27
+U 1 1 56C64D4E
+P 6950 5600
+F 0 "#PWR27" H 6950 5450 50 0001 C CNN
+F 1 "+5V" H 6968 5774 50 0000 C CNN
+F 2 "" H 6950 5600 50 0000 C CNN
+F 3 "" H 6950 5600 50 0000 C CNN
+ 1 6950 5600
+ 1 0 0 -1
+$EndComp
+$Comp
+L C C7
+U 1 1 56C64D54
+P 7050 5900
+F 0 "C7" H 7165 5946 50 0000 L CNN
+F 1 "1uF" H 7165 5854 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 7088 5750 50 0001 C CNN
+F 3 "" H 7050 5900 50 0000 C CNN
+ 1 7050 5900
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 7050 6050 7050 6150
+Connection ~ 7050 6150
+Wire Wire Line
+ 7050 5750 7050 5650
+Connection ~ 7050 5650
+$Comp
+L C C14
+U 1 1 56C64D5E
+P 8550 5900
+F 0 "C14" H 8665 5946 50 0000 L CNN
+F 1 "10uF" H 8665 5854 50 0000 L CNN
+F 2 "Capacitors_SMD:C_0805" H 8588 5750 50 0001 C CNN
+F 3 "" H 8550 5900 50 0000 C CNN
+ 1 8550 5900
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 8550 6050 8550 6150
+Connection ~ 8550 6150
+Wire Wire Line
+ 8550 5750 8550 5650
+Connection ~ 8550 5650
+Text Label 9100 5650 0 60 ~ 0
+3v3-DAISY
+Wire Wire Line
+ 10450 6050 10500 6050
+Wire Wire Line
+ 10500 6050 10500 6150
+Wire Wire Line
+ 10450 5950 10700 5950
+Wire Wire Line
+ 9950 5950 9700 5950
+Text Label 9750 5950 0 60 ~ 0
+SDA
+Text Label 10500 5950 0 60 ~ 0
+SCL
+NoConn ~ 9950 6050
+NoConn ~ 9950 5850
+NoConn ~ 9950 5750
+NoConn ~ 10450 5850
+NoConn ~ 10450 5750
+NoConn ~ 10450 5650
+Wire Wire Line
+ 2300 1700 2300 1650
+Wire Wire Line
+ 3750 4400 3400 4400
+Wire Wire Line
+ 3750 4300 3400 4300
+Text Label 3500 4300 0 60 ~ 0
+SCL
+Text Label 3500 4400 0 60 ~ 0
+SDA
$EndSCHEMATC
diff --git a/samdac-cache.lib b/samdac-cache.lib
index 18d885a..fa8a075 100644
--- a/samdac-cache.lib
+++ b/samdac-cache.lib
@@ -75,6 +75,44 @@ X CGND 1 0 0 0 D 50 50 1 1 W N
ENDDRAW
ENDDEF
#
+# CONN_02X05
+#
+DEF CONN_02X05 P 0 1 Y N 1 F N
+F0 "P" 0 300 50 H V C CNN
+F1 "CONN_02X05" 0 -300 50 H V C CNN
+F2 "" 0 -1200 50 H V C CNN
+F3 "" 0 -1200 50 H V C CNN
+$FPLIST
+ Pin_Header_Straight_2X05
+ Pin_Header_Angled_2X05
+ Socket_Strip_Straight_2X05
+ Socket_Strip_Angled_2X05
+$ENDFPLIST
+DRAW
+S -100 -195 -50 -205 0 1 0 N
+S -100 -95 -50 -105 0 1 0 N
+S -100 5 -50 -5 0 1 0 N
+S -100 105 -50 95 0 1 0 N
+S -100 205 -50 195 0 1 0 N
+S -100 250 100 -250 0 1 0 N
+S 50 -195 100 -205 0 1 0 N
+S 50 -95 100 -105 0 1 0 N
+S 50 5 100 -5 0 1 0 N
+S 50 105 100 95 0 1 0 N
+S 50 205 100 195 0 1 0 N
+X P1 1 -250 200 150 R 50 50 1 1 P
+X P2 2 250 200 150 L 50 50 1 1 P
+X P3 3 -250 100 150 R 50 50 1 1 P
+X P4 4 250 100 150 L 50 50 1 1 P
+X P5 5 -250 0 150 R 50 50 1 1 P
+X P6 6 250 0 150 L 50 50 1 1 P
+X P7 7 -250 -100 150 R 50 50 1 1 P
+X P8 8 250 -100 150 L 50 50 1 1 P
+X P9 9 -250 -200 150 R 50 50 1 1 P
+X P10 10 250 -200 150 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
# CONN_02X10
#
DEF CONN_02X10 P 0 1 Y N 1 F N