DSP.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 4
Title "MiniAmp DSP"
Date "2020-01-24"
Rev "v3r1"
Comp "SushiBits Innovation"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:AudioJack3_Ground J6
U 1 1 5FF97AC1
P 1200 1100
F 0 "J6" H 1205 1442 50  0000 C CNN
F 1 "Line In" H 1205 1351 50  0000 C CNN
F 2 "Connector_Audio:PJ3130" H 1200 1100 50  0001 C CNN
F 3 "~" H 1200 1100 50  0001 C CNN
	1    1200 1100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0120
U 1 1 5FF98F4C
P 1500 1000
F 0 "#PWR0120" H 1500 750 50  0001 C CNN
F 1 "GND" V 1505 872 50  0000 R CNN
F 2 "" H 1500 1000 50  0001 C CNN
F 3 "" H 1500 1000 50  0001 C CNN
	1    1500 1000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1500 1000 1400 1000
$Comp
L Device:C_Small C22
U 1 1 5FF9AFEE
P 1900 1100
F 0 "C22" V 1850 1050 50  0000 R CNN
F 1 "10µ" V 1850 1150 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1900 1100 50  0001 C CNN
F 3 "~" H 1900 1100 50  0001 C CNN
	1    1900 1100
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C23
U 1 1 5FF9C150
P 1900 1200
F 0 "C23" V 1850 1150 50  0000 R CNN
F 1 "10µ" V 1850 1250 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1900 1200 50  0001 C CNN
F 3 "~" H 1900 1200 50  0001 C CNN
	1    1900 1200
	0    1    1    0   
$EndComp
Text Label 2900 1100 2    50   ~ 0
INR
Text Label 2900 1200 2    50   ~ 0
INL
Wire Wire Line
	1400 1100 1800 1100
Wire Wire Line
	1800 1200 1400 1200
$Comp
L Device:R_Small R20
U 1 1 5FF9CFCA
P 2400 1100
F 0 "R20" V 2350 1000 50  0000 R CNN
F 1 "18k" V 2350 1200 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2400 1100 50  0001 C CNN
F 3 "~" H 2400 1100 50  0001 C CNN
	1    2400 1100
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R21
U 1 1 5FF9D74D
P 2400 1200
F 0 "R21" V 2350 1100 50  0000 R CNN
F 1 "18k" V 2350 1300 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2400 1200 50  0001 C CNN
F 3 "~" H 2400 1200 50  0001 C CNN
	1    2400 1200
	0    1    1    0   
$EndComp
Wire Wire Line
	2000 1100 2300 1100
Wire Wire Line
	2500 1100 2900 1100
Wire Wire Line
	2900 1200 2500 1200
Wire Wire Line
	2300 1200 2000 1200
$Comp
L Connector:Conn_Coaxial J7
U 1 1 5FF9F465
P 1100 1700
F 0 "J7" H 1028 1938 50  0000 C CNN
F 1 "Subwoofer" H 1028 1847 50  0000 C CNN
F 2 "Connector_Coaxial:RCA" H 1100 1700 50  0001 C CNN
F 3 " ~" H 1100 1700 50  0001 C CNN
	1    1100 1700
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0121
U 1 1 5FF9FDB4
P 1100 2200
F 0 "#PWR0121" H 1100 1950 50  0001 C CNN
F 1 "GND" H 1105 2027 50  0000 C CNN
F 2 "" H 1100 2200 50  0001 C CNN
F 3 "" H 1100 2200 50  0001 C CNN
	1    1100 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	1100 1900 1100 2100
$Comp
L Device:R_Small R23
U 1 1 5FFA0356
P 1400 1900
F 0 "R23" H 1459 1946 50  0000 L CNN
F 1 "49.9k" H 1459 1855 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1400 1900 50  0001 C CNN
F 3 "~" H 1400 1900 50  0001 C CNN
	1    1400 1900
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R22
U 1 1 5FFA0A66
P 1600 1700
F 0 "R22" V 1404 1700 50  0000 C CNN
F 1 "56" V 1495 1700 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1600 1700 50  0001 C CNN
F 3 "~" H 1600 1700 50  0001 C CNN
	1    1600 1700
	0    1    1    0   
$EndComp
$Comp
L Device:CP_Small C24
U 1 1 5FFA0C14
P 1900 1700
F 0 "C24" V 1675 1700 50  0000 C CNN
F 1 "100µ" V 1766 1700 50  0000 C CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder" H 1900 1700 50  0001 C CNN
F 3 "~" H 1900 1700 50  0001 C CNN
	1    1900 1700
	0    1    1    0   
$EndComp
Text Label 2300 1700 2    50   ~ 0
OUTS
Wire Wire Line
	1300 1700 1400 1700
Wire Wire Line
	1400 1800 1400 1700
Connection ~ 1400 1700
Wire Wire Line
	1400 1700 1500 1700
Wire Wire Line
	1100 2100 1400 2100
Wire Wire Line
	1400 2100 1400 2000
Connection ~ 1100 2100
Wire Wire Line
	1100 2100 1100 2200
Wire Wire Line
	1700 1700 1800 1700
Wire Wire Line
	2000 1700 2300 1700
$Comp
L DSP_AnalogDevices:ADAU1701 U11
U 1 1 5FFC7CCE
P 6300 3600
F 0 "U11" H 6300 3700 50  0000 C CNN
F 1 "ADAU1701" H 6300 3600 50  0000 C CNN
F 2 "Package_QFP:LQFP-48_7x7mm_P0.5mm" H 6200 2200 50  0001 C CNN
F 3 "http://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1701.pdf" H 6300 3600 50  0001 C CNN
	1    6300 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:Q_PNP_BEC Q1
U 1 1 5FFD33EC
P 7100 2200
F 0 "Q1" V 7428 2200 50  0000 C CNN
F 1 "MMBT8550" V 7337 2200 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 7300 2300 50  0001 C CNN
F 3 "~" H 7100 2200 50  0001 C CNN
	1    7100 2200
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R25
U 1 1 5FFD3EA3
P 7400 2300
F 0 "R25" H 7459 2346 50  0000 L CNN
F 1 "1k" H 7459 2255 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 7400 2300 50  0001 C CNN
F 3 "~" H 7400 2300 50  0001 C CNN
	1    7400 2300
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0122
U 1 1 5FFD43C6
P 7400 2000
F 0 "#PWR0122" H 7400 1850 50  0001 C CNN
F 1 "+3V3" H 7415 2173 50  0000 C CNN
F 2 "" H 7400 2000 50  0001 C CNN
F 3 "" H 7400 2000 50  0001 C CNN
	1    7400 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7400 2000 7400 2100
Wire Wire Line
	7300 2100 7400 2100
Connection ~ 7400 2100
Wire Wire Line
	7400 2100 7400 2200
Wire Wire Line
	7000 2500 7100 2500
Wire Wire Line
	7400 2500 7400 2400
Wire Wire Line
	7100 2400 7100 2500
Connection ~ 7100 2500
Wire Wire Line
	7100 2500 7400 2500
Wire Wire Line
	6900 2100 6600 2100
Wire Wire Line
	6400 2100 6400 2300
Wire Wire Line
	6500 2300 6500 2100
Connection ~ 6500 2100
Wire Wire Line
	6500 2100 6400 2100
$Comp
L power:+1V8 #PWR0123
U 1 1 5FFD6AF4
P 6400 2000
F 0 "#PWR0123" H 6400 1850 50  0001 C CNN
F 1 "+1V8" H 6415 2173 50  0000 C CNN
F 2 "" H 6400 2000 50  0001 C CNN
F 3 "" H 6400 2000 50  0001 C CNN
	1    6400 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 2000 6400 2100
Connection ~ 6400 2100
$Comp
L Connector:TestPoint TP8
U 1 1 5FFD7266
P 6600 2000
F 0 "TP8" H 6658 2118 50  0000 L CNN
F 1 "1.8V" H 6658 2027 50  0000 L CNN
F 2 "TestPoint:TestPoint_Loop_D2.54mm_Drill1.5mm_Beaded" H 6800 2000 50  0001 C CNN
F 3 "~" H 6800 2000 50  0001 C CNN
	1    6600 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 2000 6600 2100
Connection ~ 6600 2100
Wire Wire Line
	6600 2100 6500 2100
$Comp
L power:+3V3 #PWR0124
U 1 1 5FFD7BF6
P 6000 2000
F 0 "#PWR0124" H 6000 1850 50  0001 C CNN
F 1 "+3V3" H 6015 2173 50  0000 C CNN
F 2 "" H 6000 2000 50  0001 C CNN
F 3 "" H 6000 2000 50  0001 C CNN
	1    6000 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 2000 6000 2100
Wire Wire Line
	6000 2100 6100 2100
Wire Wire Line
	6300 2100 6300 2300
Connection ~ 6000 2100
Wire Wire Line
	6000 2100 6000 2300
Wire Wire Line
	6200 2300 6200 2100
Connection ~ 6200 2100
Wire Wire Line
	6200 2100 6300 2100
Wire Wire Line
	6100 2100 6100 2300
Connection ~ 6100 2100
Wire Wire Line
	6100 2100 6200 2100
$Comp
L Device:C_Small C26
U 1 1 5FFD9858
P 5500 2300
F 0 "C26" H 5592 2346 50  0000 L CNN
F 1 "3.3n" H 5592 2255 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5500 2300 50  0001 C CNN
F 3 "~" H 5500 2300 50  0001 C CNN
	1    5500 2300
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C25
U 1 1 5FFD9E14
P 5100 2300
F 0 "C25" H 5192 2346 50  0000 L CNN
F 1 "56n" H 5192 2255 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5100 2300 50  0001 C CNN
F 3 "~" H 5100 2300 50  0001 C CNN
	1    5100 2300
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R24
U 1 1 5FFDA4CA
P 5300 2100
F 0 "R24" V 5104 2100 50  0000 C CNN
F 1 "470" V 5195 2100 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5300 2100 50  0001 C CNN
F 3 "~" H 5300 2100 50  0001 C CNN
	1    5300 2100
	0    1    1    0   
$EndComp
Wire Wire Line
	5400 2100 5500 2100
Wire Wire Line
	5500 2200 5500 2100
Connection ~ 5500 2100
Wire Wire Line
	5500 2100 6000 2100
Wire Wire Line
	5200 2100 5100 2100
Wire Wire Line
	5100 2100 5100 2200
Wire Wire Line
	5600 2500 5500 2500
Wire Wire Line
	5100 2500 5100 2400
Wire Wire Line
	5500 2400 5500 2500
Connection ~ 5500 2500
Wire Wire Line
	5500 2500 5100 2500
Text Label 5300 2700 0    50   ~ 0
INL
Text Label 5300 2800 0    50   ~ 0
INR
Wire Wire Line
	5300 2700 5600 2700
Wire Wire Line
	5600 2800 5300 2800
$Comp
L Device:R_Small R26
U 1 1 5FFDF36B
P 5300 3000
F 0 "R26" V 5200 3000 50  0000 R CNN
F 1 "100" V 5200 3050 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5300 3000 50  0001 C CNN
F 3 "~" H 5300 3000 50  0001 C CNN
	1    5300 3000
	0    1    1    0   
$EndComp
$Comp
L Device:Crystal_Small Y1
U 1 1 5FFE001A
P 5000 2900
F 0 "Y1" V 4950 2800 50  0000 R CNN
F 1 "12.288M" V 5050 2800 50  0000 R CNN
F 2 "Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm" H 5000 2900 50  0001 C CNN
F 3 "~" H 5000 2900 50  0001 C CNN
	1    5000 2900
	0    1    1    0   
$EndComp
Wire Wire Line
	5400 3000 5600 3000
Wire Wire Line
	5200 3000 5100 3000
Wire Wire Line
	5100 3000 5100 2700
Wire Wire Line
	5100 2700 5000 2700
Wire Wire Line
	5000 2700 5000 2800
Wire Wire Line
	5600 3100 5000 3100
Wire Wire Line
	5000 3100 5000 3000
$Comp
L Device:C_Small C27
U 1 1 5FFE3B22
P 4700 2700
F 0 "C27" V 4650 2650 50  0000 R CNN
F 1 "22p" V 4650 2750 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4700 2700 50  0001 C CNN
F 3 "~" H 4700 2700 50  0001 C CNN
	1    4700 2700
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C28
U 1 1 5FFE4368
P 4700 3100
F 0 "C28" V 4650 3050 50  0000 R CNN
F 1 "22p" V 4650 3150 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4700 3100 50  0001 C CNN
F 3 "~" H 4700 3100 50  0001 C CNN
	1    4700 3100
	0    1    1    0   
$EndComp
Wire Wire Line
	4800 2700 5000 2700
Connection ~ 5000 2700
Wire Wire Line
	5000 3100 4800 3100
Connection ~ 5000 3100
$Comp
L power:GND #PWR0125
U 1 1 5FFE6AF4
P 4400 2700
F 0 "#PWR0125" H 4400 2450 50  0001 C CNN
F 1 "GND" V 4405 2572 50  0000 R CNN
F 2 "" H 4400 2700 50  0001 C CNN
F 3 "" H 4400 2700 50  0001 C CNN
	1    4400 2700
	0    1    1    0   
$EndComp
Wire Wire Line
	4600 2700 4500 2700
Wire Wire Line
	5600 3300 5500 3300
Connection ~ 4500 2700
Wire Wire Line
	4500 2700 4400 2700
Wire Wire Line
	4600 3100 4500 3100
Wire Wire Line
	4500 3100 4500 2700
Wire Wire Line
	5600 4300 5500 4300
Wire Wire Line
	5600 3600 5500 3600
Wire Wire Line
	5500 3600 5500 3300
Wire Wire Line
	5400 3400 5600 3400
$Comp
L power:+3V3 #PWR0126
U 1 1 5FFF211E
P 5500 4300
F 0 "#PWR0126" H 5500 4150 50  0001 C CNN
F 1 "+3V3" V 5500 4400 50  0000 L CNN
F 2 "" H 5500 4300 50  0001 C CNN
F 3 "" H 5500 4300 50  0001 C CNN
	1    5500 4300
	0    -1   -1   0   
$EndComp
Text Label 5300 3700 0    50   ~ 0
WB
Wire Wire Line
	5300 3700 5600 3700
$Comp
L Memory_EEPROM:24LC256 U12
U 1 1 5FFF4482
P 4100 4000
F 0 "U12" H 4000 4300 50  0000 R CNN
F 1 "AT24C512" H 4150 3700 50  0000 L CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 4100 4000 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/devicedoc/21203m.pdf" H 4100 4000 50  0001 C CNN
	1    4100 4000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C29
U 1 1 5FFF7963
P 3800 3600
F 0 "C29" V 3571 3600 50  0000 C CNN
F 1 "100n" V 3662 3600 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3800 3600 50  0001 C CNN
F 3 "~" H 3800 3600 50  0001 C CNN
	1    3800 3600
	0    1    1    0   
$EndComp
$Comp
L Device:R_Pack04 RN1
U 1 1 5FFF84E9
P 4800 3600
F 0 "RN1" H 4988 3646 50  0000 L CNN
F 1 "1.5k" H 4988 3555 50  0000 L CNN
F 2 "Resistor_SMD:R_Array_Concave_4x0603" V 5075 3600 50  0001 C CNN
F 3 "~" H 4800 3600 50  0001 C CNN
	1    4800 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 3100 4500 3200
Wire Wire Line
	4500 3200 5500 3200
Wire Wire Line
	5500 3200 5500 3300
Connection ~ 4500 3100
Connection ~ 5500 3300
Wire Wire Line
	5400 3400 5400 3300
Wire Wire Line
	5400 3300 4900 3300
Wire Wire Line
	4100 3300 4100 3600
Wire Wire Line
	3900 3600 4100 3600
Connection ~ 4100 3600
Wire Wire Line
	4100 3600 4100 3700
$Comp
L power:GND #PWR0127
U 1 1 5FFFF564
P 4100 4600
F 0 "#PWR0127" H 4100 4350 50  0001 C CNN
F 1 "GND" H 4105 4427 50  0000 C CNN
F 2 "" H 4100 4600 50  0001 C CNN
F 3 "" H 4100 4600 50  0001 C CNN
	1    4100 4600
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0128
U 1 1 5FFFFEC1
P 4100 3200
F 0 "#PWR0128" H 4100 3050 50  0001 C CNN
F 1 "+3V3" H 4115 3373 50  0000 C CNN
F 2 "" H 4100 3200 50  0001 C CNN
F 3 "" H 4100 3200 50  0001 C CNN
	1    4100 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 5200 6600 5100
$Comp
L power:GND #PWR0129
U 1 1 6000204A
P 6600 5200
F 0 "#PWR0129" H 6600 4950 50  0001 C CNN
F 1 "GND" H 6605 5027 50  0000 C CNN
F 2 "" H 6600 5200 50  0001 C CNN
F 3 "" H 6600 5200 50  0001 C CNN
	1    6600 5200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 5100 6500 5100
Wire Wire Line
	6000 5100 6000 4900
Connection ~ 6600 5100
Wire Wire Line
	6600 5100 6600 4900
Wire Wire Line
	6100 4900 6100 5100
Connection ~ 6100 5100
Wire Wire Line
	6100 5100 6000 5100
Wire Wire Line
	6200 5100 6200 4900
Connection ~ 6200 5100
Wire Wire Line
	6200 5100 6100 5100
Wire Wire Line
	6300 4900 6300 5100
Connection ~ 6300 5100
Wire Wire Line
	6300 5100 6200 5100
Wire Wire Line
	6400 5100 6400 4900
Connection ~ 6400 5100
Wire Wire Line
	6400 5100 6300 5100
Wire Wire Line
	6500 4900 6500 5100
Connection ~ 6500 5100
Wire Wire Line
	6500 5100 6400 5100
Wire Wire Line
	4100 3200 4100 3300
Connection ~ 4100 3300
Wire Wire Line
	4100 4300 4100 4500
Wire Wire Line
	4100 4500 3600 4500
Wire Wire Line
	3600 4500 3600 4100
Wire Wire Line
	3600 3600 3700 3600
Connection ~ 4100 4500
Wire Wire Line
	4100 4500 4100 4600
Wire Wire Line
	3700 3900 3600 3900
Connection ~ 3600 3900
Wire Wire Line
	3600 3900 3600 3600
Wire Wire Line
	3600 4000 3700 4000
Connection ~ 3600 4000
Wire Wire Line
	3600 4000 3600 3900
Wire Wire Line
	3700 4100 3600 4100
Connection ~ 3600 4100
Wire Wire Line
	3600 4100 3600 4000
Wire Wire Line
	4500 4000 4700 4000
Wire Wire Line
	4500 4100 4600 4100
Wire Wire Line
	5000 4100 5000 3800
Wire Wire Line
	5000 3800 5600 3800
Wire Wire Line
	4500 3900 4800 3900
Wire Wire Line
	4600 3800 4600 4100
Connection ~ 4600 4100
Wire Wire Line
	4700 3800 4700 4000
Connection ~ 4700 4000
Wire Wire Line
	4700 4000 5600 4000
Wire Wire Line
	4800 3800 4800 3900
Connection ~ 4800 3900
Wire Wire Line
	4800 3900 5600 3900
NoConn ~ 4900 3800
Wire Wire Line
	4900 3400 4900 3300
Connection ~ 4900 3300
Wire Wire Line
	4900 3300 4800 3300
Wire Wire Line
	4800 3400 4800 3300
Connection ~ 4800 3300
Wire Wire Line
	4800 3300 4700 3300
Wire Wire Line
	4700 3400 4700 3300
Connection ~ 4700 3300
Wire Wire Line
	4700 3300 4600 3300
Wire Wire Line
	4600 3400 4600 3300
Connection ~ 4600 3300
Wire Wire Line
	4600 3300 4100 3300
Text HLabel 5300 4200 0    50   Input ~ 0
~RESET
$Comp
L Device:C_Small C31
U 1 1 6004EE46
P 7100 4900
F 0 "C31" H 7192 4946 50  0000 L CNN
F 1 "10µ" H 7192 4855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 7100 4900 50  0001 C CNN
F 3 "~" H 7100 4900 50  0001 C CNN
	1    7100 4900
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C30
U 1 1 6004F524
P 5500 4900
F 0 "C30" H 5592 4946 50  0000 L CNN
F 1 "10µ" H 5592 4855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5500 4900 50  0001 C CNN
F 3 "~" H 5500 4900 50  0001 C CNN
	1    5500 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 5100 5500 5100
Wire Wire Line
	5500 5100 5500 5000
Connection ~ 6000 5100
Wire Wire Line
	5600 4700 5500 4700
Wire Wire Line
	5500 4700 5500 4800
Wire Wire Line
	6600 5100 7100 5100
Wire Wire Line
	7100 5100 7100 5000
Wire Wire Line
	7000 4700 7100 4700
Wire Wire Line
	7100 4700 7100 4800
$Comp
L Device:R_Small R27
U 1 1 6007768B
P 5200 4900
F 0 "R27" H 5259 4946 50  0000 L CNN
F 1 "8k" H 5259 4855 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5200 4900 50  0001 C CNN
F 3 "~" H 5200 4900 50  0001 C CNN
	1    5200 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 4500 5200 4500
Wire Wire Line
	5200 4500 5200 4800
Wire Wire Line
	5500 5100 5200 5100
Wire Wire Line
	5200 5100 5200 5000
Connection ~ 5500 5100
$Comp
L Device:C_Small C32
U 1 1 60081F2B
P 7400 4900
F 0 "C32" H 7492 4946 50  0000 L CNN
F 1 "10µ" H 7492 4855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 7400 4900 50  0001 C CNN
F 3 "~" H 7400 4900 50  0001 C CNN
	1    7400 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7000 4500 7400 4500
Wire Wire Line
	7400 4500 7400 4800
Wire Wire Line
	7100 5100 7400 5100
Wire Wire Line
	7400 5100 7400 5000
Connection ~ 7100 5100
Text Label 5300 3800 0    50   ~ 0
WP
Text Label 5300 3900 0    50   ~ 0
SDA
Text Label 5300 4000 0    50   ~ 0
SCL
Text Label 5300 4200 0    50   ~ 0
~RESET
Wire Wire Line
	5300 4200 5600 4200
Text Label 7300 2700 2    50   ~ 0
OUTS
Text HLabel 7100 2800 2    50   Output ~ 0
OUTC
Text HLabel 7100 2900 2    50   Output ~ 0
OUTL
Text HLabel 7100 3000 2    50   Output ~ 0
OUTR
Wire Wire Line
	7300 2700 7000 2700
Wire Wire Line
	7000 2800 7100 2800
Wire Wire Line
	7100 2900 7000 2900
Wire Wire Line
	7000 3000 7100 3000
$Comp
L Device:C_Small C33
U 1 1 600CE110
P 3400 5500
F 0 "C33" H 3492 5546 50  0000 L CNN
F 1 "1µ" H 3492 5455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3400 5500 50  0001 C CNN
F 3 "~" H 3400 5500 50  0001 C CNN
	1    3400 5500
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C34
U 1 1 600CFA93
P 3800 5500
F 0 "C34" H 3892 5546 50  0000 L CNN
F 1 "1µ" H 3892 5455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3800 5500 50  0001 C CNN
F 3 "~" H 3800 5500 50  0001 C CNN
	1    3800 5500
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C35
U 1 1 600D63B6
P 4200 5500
F 0 "C35" H 4292 5546 50  0000 L CNN
F 1 "1µ" H 4292 5455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4200 5500 50  0001 C CNN
F 3 "~" H 4200 5500 50  0001 C CNN
	1    4200 5500
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0130
U 1 1 600DBCE5
P 3400 5200
F 0 "#PWR0130" H 3400 5050 50  0001 C CNN
F 1 "+3V3" H 3415 5373 50  0000 C CNN
F 2 "" H 3400 5200 50  0001 C CNN
F 3 "" H 3400 5200 50  0001 C CNN
	1    3400 5200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0131
U 1 1 600DC2DE
P 4600 5800
F 0 "#PWR0131" H 4600 5550 50  0001 C CNN
F 1 "GND" H 4605 5627 50  0000 C CNN
F 2 "" H 4600 5800 50  0001 C CNN
F 3 "" H 4600 5800 50  0001 C CNN
	1    4600 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 5200 3400 5300
Wire Wire Line
	3400 5300 3800 5300
Wire Wire Line
	4200 5300 4200 5400
Connection ~ 3400 5300
Wire Wire Line
	3400 5300 3400 5400
Wire Wire Line
	4200 5600 4200 5700
Wire Wire Line
	4200 5700 3800 5700
Wire Wire Line
	3400 5700 3400 5600
Wire Wire Line
	3800 5600 3800 5700
Connection ~ 3800 5700
Wire Wire Line
	3800 5700 3400 5700
Wire Wire Line
	3800 5400 3800 5300
Connection ~ 3800 5300
Wire Wire Line
	3800 5300 4200 5300
$Comp
L Device:C_Small C37
U 1 1 601114FB
P 5000 5500
F 0 "C37" H 5092 5546 50  0000 L CNN
F 1 "10µ" H 5092 5455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5000 5500 50  0001 C CNN
F 3 "~" H 5000 5500 50  0001 C CNN
	1    5000 5500
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C38
U 1 1 60111C33
P 5400 5500
F 0 "C38" H 5492 5546 50  0000 L CNN
F 1 "1µ" H 5492 5455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5400 5500 50  0001 C CNN
F 3 "~" H 5400 5500 50  0001 C CNN
	1    5400 5500
	1    0    0    -1  
$EndComp
$Comp
L power:+1V8 #PWR0132
U 1 1 60112AF4
P 5000 5200
F 0 "#PWR0132" H 5000 5050 50  0001 C CNN
F 1 "+1V8" H 5015 5373 50  0000 C CNN
F 2 "" H 5000 5200 50  0001 C CNN
F 3 "" H 5000 5200 50  0001 C CNN
	1    5000 5200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0133
U 1 1 60112F5B
P 5400 5800
F 0 "#PWR0133" H 5400 5550 50  0001 C CNN
F 1 "GND" H 5405 5627 50  0000 C CNN
F 2 "" H 5400 5800 50  0001 C CNN
F 3 "" H 5400 5800 50  0001 C CNN
	1    5400 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 5200 5000 5300
Wire Wire Line
	5000 5300 5400 5300
Wire Wire Line
	5400 5300 5400 5400
Connection ~ 5000 5300
Wire Wire Line
	5000 5300 5000 5400
Wire Wire Line
	5400 5600 5400 5700
Wire Wire Line
	5400 5700 5000 5700
Wire Wire Line
	5000 5700 5000 5600
Connection ~ 5400 5700
Wire Wire Line
	5400 5700 5400 5800
$Comp
L Device:C_Small C36
U 1 1 60134ED1
P 4600 5500
F 0 "C36" H 4692 5546 50  0000 L CNN
F 1 "1µ" H 4692 5455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4600 5500 50  0001 C CNN
F 3 "~" H 4600 5500 50  0001 C CNN
	1    4600 5500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 5600 4600 5700
Wire Wire Line
	4600 5700 4200 5700
Connection ~ 4600 5700
Wire Wire Line
	4600 5700 4600 5800
Connection ~ 4200 5700
Wire Wire Line
	4200 5300 4600 5300
Wire Wire Line
	4600 5300 4600 5400
Connection ~ 4200 5300
$Comp
L Connector_Generic:Conn_02x05_Odd_Even J8
U 1 1 6017D8A0
P 1500 3000
F 0 "J8" H 1550 3417 50  0000 C CNN
F 1 "USBi" H 1550 3326 50  0000 C CNN
F 2 "Connector_IDC:IDC-Header_2x05_P2.54mm_Vertical" H 1500 3000 50  0001 C CNN
F 3 "~" H 1500 3000 50  0001 C CNN
	1    1500 3000
	1    0    0    -1  
$EndComp
Text Label 1000 2800 0    50   ~ 0
SCL
Text Label 1000 2900 0    50   ~ 0
SDA
Wire Wire Line
	1000 2800 1300 2800
Wire Wire Line
	1300 2900 1000 2900
NoConn ~ 1300 3000
NoConn ~ 1300 3100
NoConn ~ 1300 3200
NoConn ~ 1800 2800
NoConn ~ 1800 2900
NoConn ~ 1800 3100
Text Label 2100 3000 2    50   ~ 0
~RESET
$Comp
L power:GND #PWR0134
U 1 1 601BEC76
P 1900 3700
F 0 "#PWR0134" H 1900 3450 50  0001 C CNN
F 1 "GND" H 1905 3527 50  0000 C CNN
F 2 "" H 1900 3700 50  0001 C CNN
F 3 "" H 1900 3700 50  0001 C CNN
	1    1900 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	1800 3200 1900 3200
Wire Wire Line
	1900 3200 1900 3600
Wire Wire Line
	1800 3000 2100 3000
$Comp
L Switch:SW_Push SW2
U 1 1 601D4369
P 2100 3300
F 0 "SW2" V 2146 3448 50  0000 L CNN
F 1 "Reset" V 2055 3448 50  0000 L CNN
F 2 "Button_Switch_SMD:SW_SPST_1TS003B-0A" H 2100 3500 50  0001 C CNN
F 3 "" H 2100 3500 50  0001 C CNN
	1    2100 3300
	0    1    -1   0   
$EndComp
Wire Wire Line
	1900 3600 2100 3600
Wire Wire Line
	2100 3600 2100 3500
Connection ~ 1900 3600
Wire Wire Line
	1900 3600 1900 3700
Wire Wire Line
	2100 3000 2100 3100
$Comp
L Device:R_Small R28
U 1 1 6021EF8C
P 1500 4500
F 0 "R28" V 1304 4500 50  0000 C CNN
F 1 "10k" V 1395 4500 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1500 4500 50  0001 C CNN
F 3 "~" H 1500 4500 50  0001 C CNN
	1    1500 4500
	0    1    1    0   
$EndComp
$Comp
L 74xGxx:74LVC1G17 U13
U 1 1 6022029A
P 2000 4500
F 0 "U13" H 2100 4600 50  0000 L CNN
F 1 "74LVC1G17" H 2100 4400 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 2000 4500 50  0001 C CNN
F 3 "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" H 2000 4500 50  0001 C CNN
	1    2000 4500
	1    0    0    -1  
$EndComp
Text Label 2500 4500 2    50   ~ 0
HP
Text Label 7300 3400 2    50   ~ 0
HP
Wire Wire Line
	7300 3400 7000 3400
Wire Wire Line
	2500 4500 2250 4500
Wire Wire Line
	1700 4500 1600 4500
$Comp
L power:+3V3 #PWR0135
U 1 1 6023D99A
P 2000 4300
F 0 "#PWR0135" H 2000 4150 50  0001 C CNN
F 1 "+3V3" H 2015 4473 50  0000 C CNN
F 2 "" H 2000 4300 50  0001 C CNN
F 3 "" H 2000 4300 50  0001 C CNN
	1    2000 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0136
U 1 1 6023DF5C
P 2000 4700
F 0 "#PWR0136" H 2000 4450 50  0001 C CNN
F 1 "GND" H 2005 4527 50  0000 C CNN
F 2 "" H 2000 4700 50  0001 C CNN
F 3 "" H 2000 4700 50  0001 C CNN
	1    2000 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 4300 2000 4400
Wire Wire Line
	2000 4600 2000 4700
Text HLabel 1300 4500 0    50   Input ~ 0
HPEN
Wire Wire Line
	1300 4500 1400 4500
$Comp
L 74xGxx:74LVC1G04 U14
U 1 1 60262E83
P 2000 5500
F 0 "U14" H 2100 5600 50  0000 L CNN
F 1 "74LVC1G04" H 2100 5400 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 2000 5500 50  0001 C CNN
F 3 "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" H 2000 5500 50  0001 C CNN
	1    2000 5500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R29
U 1 1 60263B0A
P 1500 5500
F 0 "R29" V 1304 5500 50  0000 C CNN
F 1 "10k" V 1395 5500 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1500 5500 50  0001 C CNN
F 3 "~" H 1500 5500 50  0001 C CNN
	1    1500 5500
	0    1    1    0   
$EndComp
Text HLabel 1300 5500 0    50   Input ~ 0
PGOOD
$Comp
L power:+3V3 #PWR0137
U 1 1 6026495B
P 2000 5300
F 0 "#PWR0137" H 2000 5150 50  0001 C CNN
F 1 "+3V3" H 2015 5473 50  0000 C CNN
F 2 "" H 2000 5300 50  0001 C CNN
F 3 "" H 2000 5300 50  0001 C CNN
	1    2000 5300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0138
U 1 1 602653EF
P 2000 5700
F 0 "#PWR0138" H 2000 5450 50  0001 C CNN
F 1 "GND" H 2005 5527 50  0000 C CNN
F 2 "" H 2000 5700 50  0001 C CNN
F 3 "" H 2000 5700 50  0001 C CNN
	1    2000 5700
	1    0    0    -1  
$EndComp
Text Label 2500 5500 2    50   ~ 0
WB
Wire Wire Line
	1300 5500 1400 5500
Wire Wire Line
	1600 5500 1700 5500
Wire Wire Line
	2000 5300 2000 5400
Wire Wire Line
	2000 5600 2000 5700
Wire Wire Line
	2250 5500 2500 5500
$Comp
L Switch:SW_Push SW3
U 1 1 602A22AF
P 10000 2000
F 0 "SW3" H 10000 2285 50  0000 C CNN
F 1 "Vol+" H 10000 2194 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_SPST_1TS003B-0A" H 10000 2200 50  0001 C CNN
F 3 "" H 10000 2200 50  0001 C CNN
	1    10000 2000
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW4
U 1 1 602A2BFF
P 10000 2400
F 0 "SW4" H 10000 2685 50  0000 C CNN
F 1 "Vol-" H 10000 2594 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_SPST_1TS003B-0A" H 10000 2600 50  0001 C CNN
F 3 "" H 10000 2600 50  0001 C CNN
	1    10000 2400
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW5
U 1 1 602A3781
P 10000 2800
F 0 "SW5" H 10000 3085 50  0000 C CNN
F 1 "Mute" H 10000 2994 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_SPST_1TS003B-0A" H 10000 3000 50  0001 C CNN
F 3 "" H 10000 3000 50  0001 C CNN
	1    10000 2800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R30
U 1 1 602B01CA
P 9300 2000
F 0 "R30" V 9104 2000 50  0000 C CNN
F 1 "10k" V 9195 2000 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 9300 2000 50  0001 C CNN
F 3 "~" H 9300 2000 50  0001 C CNN
	1    9300 2000
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R31
U 1 1 602B0F4B
P 9300 2400
F 0 "R31" V 9104 2400 50  0000 C CNN
F 1 "10k" V 9195 2400 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 9300 2400 50  0001 C CNN
F 3 "~" H 9300 2400 50  0001 C CNN
	1    9300 2400
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R32
U 1 1 602BB5AC
P 9300 2800
F 0 "R32" V 9104 2800 50  0000 C CNN
F 1 "10k" V 9195 2800 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 9300 2800 50  0001 C CNN
F 3 "~" H 9300 2800 50  0001 C CNN
	1    9300 2800
	0    1    1    0   
$EndComp
$Comp
L power:+3V3 #PWR0139
U 1 1 602C5AD1
P 9000 2000
F 0 "#PWR0139" H 9000 1850 50  0001 C CNN
F 1 "+3V3" V 9015 2128 50  0000 L CNN
F 2 "" H 9000 2000 50  0001 C CNN
F 3 "" H 9000 2000 50  0001 C CNN
	1    9000 2000
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R33
U 1 1 602C615E
P 9300 3200
F 0 "R33" V 9104 3200 50  0000 C CNN
F 1 "510" V 9195 3200 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 9300 3200 50  0001 C CNN
F 3 "~" H 9300 3200 50  0001 C CNN
	1    9300 3200
	0    1    1    0   
$EndComp
$Comp
L Device:LED_Small D5
U 1 1 602C7019
P 9700 3200
F 0 "D5" H 9700 3435 50  0000 C CNN
F 1 "Status" H 9700 3344 50  0000 C CNN
F 2 "LED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolder" V 9700 3200 50  0001 C CNN
F 3 "~" V 9700 3200 50  0001 C CNN
	1    9700 3200
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9000 2000 9100 2000
Wire Wire Line
	9200 3200 9100 3200
Wire Wire Line
	9100 3200 9100 2800
Connection ~ 9100 2000
Wire Wire Line
	9100 2000 9200 2000
Wire Wire Line
	9200 2400 9100 2400
Connection ~ 9100 2400
Wire Wire Line
	9100 2400 9100 2000
Wire Wire Line
	9200 2800 9100 2800
Connection ~ 9100 2800
Wire Wire Line
	9100 2800 9100 2400
Wire Wire Line
	9400 2000 9800 2000
Wire Wire Line
	9400 2400 9800 2400
Wire Wire Line
	9400 2800 9800 2800
Wire Wire Line
	9400 3200 9600 3200
$Comp
L power:GND #PWR0140
U 1 1 6031E8E8
P 10400 2800
F 0 "#PWR0140" H 10400 2550 50  0001 C CNN
F 1 "GND" V 10405 2672 50  0000 R CNN
F 2 "" H 10400 2800 50  0001 C CNN
F 3 "" H 10400 2800 50  0001 C CNN
	1    10400 2800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10400 2800 10300 2800
Wire Wire Line
	10300 2800 10300 2400
Wire Wire Line
	10300 2000 10200 2000
Connection ~ 10300 2800
Wire Wire Line
	10300 2800 10200 2800
Wire Wire Line
	10200 2400 10300 2400
Connection ~ 10300 2400
Wire Wire Line
	10300 2400 10300 2000
Wire Wire Line
	10000 3200 9800 3200
Text Label 10000 3200 2    50   ~ 0
STL
Text Label 9500 2800 0    50   ~ 0
MUTE
Text Label 9500 2400 0    50   ~ 0
VOLD
Text Label 9500 2000 0    50   ~ 0
VOLU
Text Label 7300 4000 2    50   ~ 0
STL
Text Label 7300 4100 2    50   ~ 0
MUTE
Text Label 7300 3500 2    50   ~ 0
VOLU
Wire Wire Line
	7300 3500 7000 3500
Wire Wire Line
	7000 4000 7300 4000
Wire Wire Line
	7300 4100 7000 4100
Text Label 7300 4300 2    50   ~ 0
VOLD
Wire Wire Line
	7300 4300 7000 4300
NoConn ~ 7000 4200
NoConn ~ 7000 3900
NoConn ~ 7000 3800
NoConn ~ 7000 3700
NoConn ~ 7000 3600
NoConn ~ 7000 3300
NoConn ~ 7000 3200
$Comp
L Device:Jumper_NO_Small JP1
U 1 1 603F225B
P 4600 4300
F 0 "JP1" V 4554 4348 50  0000 L CNN
F 1 "WP" V 4645 4348 50  0000 L CNN
F 2 "Connector_PinHeader_2.00mm:PinHeader_2x01_P2.00mm_Vertical" H 4600 4300 50  0001 C CNN
F 3 "~" H 4600 4300 50  0001 C CNN
	1    4600 4300
	0    1    1    0   
$EndComp
Wire Wire Line
	4100 4500 4600 4500
Wire Wire Line
	4600 4500 4600 4400
Wire Wire Line
	4600 4200 4600 4100
Wire Wire Line
	4600 4100 5000 4100
$EndSCHEMATC