usdx-kamocat/mcu.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 3 4
Title "uSDX SMD"
Date "2020-07-02"
Rev "1.1.1"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Amplifier_Operational:LM4562 U2
U 3 1 5ED9025C
P 1300 6850
F 0 "U2" H 1258 6896 50  0000 L CNN
F 1 "LM4562" H 1258 6805 50  0000 L CNN
F 2 "Housings_SOIC:SOIC-8-1EP_3.9x4.9mm_Pitch1.27mm" H 1300 6850 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm4562.pdf" H 1300 6850 50  0001 C CNN
	3    1300 6850
	1    0    0    -1  
$EndComp
$Comp
L Device:Rotary_Encoder_Switch SW1
U 1 1 5ED956B6
P 9650 2500
F 0 "SW1" H 9650 2867 50  0000 C CNN
F 1 "Rotary_Encoder_Switch" H 9650 2776 50  0000 C CNN
F 2 "uSDX:Rotary_Encoder_Sw" H 9500 2660 50  0001 C CNN
F 3 "~" H 9650 2760 50  0001 C CNN
	1    9650 2500
	1    0    0    -1  
$EndComp
$Comp
L Device:C C23
U 1 1 5EE106FC
P 4550 2500
F 0 "C23" V 4298 2500 50  0000 C CNN
F 1 "100n" V 4389 2500 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 4588 2350 50  0001 C CNN
F 3 "~" H 4550 2500 50  0001 C CNN
	1    4550 2500
	0    1    1    0   
$EndComp
$Comp
L Device:R_US R15
U 1 1 5EE120D7
P 5250 2300
F 0 "R15" H 5182 2254 50  0000 R CNN
F 1 "10k" H 5182 2345 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5290 2290 50  0001 C CNN
F 3 "~" H 5250 2300 50  0001 C CNN
	1    5250 2300
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R16
U 1 1 5EE123BC
P 5250 2700
F 0 "R16" H 5182 2654 50  0000 R CNN
F 1 "10k" H 5182 2745 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5290 2690 50  0001 C CNN
F 3 "~" H 5250 2700 50  0001 C CNN
	1    5250 2700
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R14
U 1 1 5EE12A51
P 5250 1350
F 0 "R14" H 5182 1304 50  0000 R CNN
F 1 "10k" H 5182 1395 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5290 1340 50  0001 C CNN
F 3 "~" H 5250 1350 50  0001 C CNN
	1    5250 1350
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R13
U 1 1 5EE135FF
P 5250 950
F 0 "R13" H 5182 904 50  0000 R CNN
F 1 "10k" H 5182 995 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 5290 940 50  0001 C CNN
F 3 "~" H 5250 950 50  0001 C CNN
	1    5250 950 
	-1   0    0    1   
$EndComp
$Comp
L Device:C C24
U 1 1 5EE1B392
P 4600 1150
F 0 "C24" V 4348 1150 50  0000 C CNN
F 1 "100n" V 4439 1150 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 4638 1000 50  0001 C CNN
F 3 "~" H 4600 1150 50  0001 C CNN
	1    4600 1150
	0    1    1    0   
$EndComp
Wire Wire Line
	5250 1500 5250 1600
Wire Wire Line
	5250 2050 5550 2050
Wire Wire Line
	5250 2050 5250 2150
$Comp
L Device:C C26
U 1 1 5EE22D5D
P 5550 2200
F 0 "C26" H 5665 2246 50  0000 L CNN
F 1 "100n" H 5665 2155 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 5588 2050 50  0001 C CNN
F 3 "~" H 5550 2200 50  0001 C CNN
	1    5550 2200
	1    0    0    -1  
$EndComp
Connection ~ 5550 2050
Wire Wire Line
	5250 750  5250 800 
Wire Wire Line
	5550 2050 6000 2050
Wire Wire Line
	5250 1100 5250 1150
Wire Wire Line
	5250 2450 5250 2500
Wire Wire Line
	4700 2500 5250 2500
Connection ~ 5250 2500
Wire Wire Line
	5250 2500 5250 2550
Wire Wire Line
	4750 1150 5250 1150
Connection ~ 5250 1150
Wire Wire Line
	5250 1150 5250 1200
Text Label 4800 1150 0    50   ~ 0
ADC0
Text Label 4800 2500 0    50   ~ 0
ADC1
Text Label 8800 2200 0    50   ~ 0
ADC0
Text Label 8800 2300 0    50   ~ 0
ADC1
Wire Wire Line
	6000 750  6000 2050
Wire Wire Line
	5250 750  6000 750 
$Comp
L Device:Crystal Y2
U 1 1 5EE93D83
P 7300 2150
F 0 "Y2" V 7100 2150 50  0000 C CNN
F 1 "32MHz" V 7550 2100 50  0000 C CNN
F 2 "Crystals:Crystal_SMD_Abracon_ABM3-2pin_5.0x3.2mm" H 7300 2150 50  0001 C CNN
F 3 "~" H 7300 2150 50  0001 C CNN
	1    7300 2150
	0    -1   1    0   
$EndComp
Text HLabel 3000 6200 0    50   Input ~ 0
12v
$Comp
L Device:L L4
U 1 1 5EEF14AA
P 4000 6300
F 0 "L4" H 3957 6254 50  0000 R CNN
F 1 "12u" H 3957 6345 50  0000 R CNN
F 2 "Inductors_SMD:L_0805" H 4000 6300 50  0001 C CNN
F 3 "~" H 4000 6300 50  0001 C CNN
	1    4000 6300
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR024
U 1 1 5EEF2473
P 3800 6250
F 0 "#PWR024" H 3800 6000 50  0001 C CNN
F 1 "GND" H 3805 6077 50  0000 C CNN
F 2 "" H 3800 6250 50  0001 C CNN
F 3 "" H 3800 6250 50  0001 C CNN
	1    3800 6250
	1    0    0    -1  
$EndComp
$Comp
L Device:C C18
U 1 1 5EEF3D92
P 4000 6700
F 0 "C18" H 4115 6746 50  0000 L CNN
F 1 "22u" H 4115 6655 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 4038 6550 50  0001 C CNN
F 3 "~" H 4000 6700 50  0001 C CNN
	1    4000 6700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR025
U 1 1 5EEF440C
P 4200 6850
F 0 "#PWR025" H 4200 6600 50  0001 C CNN
F 1 "GND" H 4205 6677 50  0000 C CNN
F 2 "" H 4200 6850 50  0001 C CNN
F 3 "" H 4200 6850 50  0001 C CNN
	1    4200 6850
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR027
U 1 1 5EEF45FA
P 4350 6450
F 0 "#PWR027" H 4350 6300 50  0001 C CNN
F 1 "+3.3V" H 4365 6623 50  0000 C CNN
F 2 "" H 4350 6450 50  0001 C CNN
F 3 "" H 4350 6450 50  0001 C CNN
	1    4350 6450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 6150 4000 6150
$Comp
L Device:C C17
U 1 1 5EF0E2FE
P 4000 6000
F 0 "C17" H 3885 6046 50  0000 R CNN
F 1 "100n" H 3885 5955 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 4038 5850 50  0001 C CNN
F 3 "~" H 4000 6000 50  0001 C CNN
	1    4000 6000
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4000 5850 3800 5850
Wire Wire Line
	3800 5850 3800 6050
Connection ~ 4000 6150
$Comp
L power:+3.3V #PWR020
U 1 1 5EF32072
P 3000 5700
F 0 "#PWR020" H 3000 5550 50  0001 C CNN
F 1 "+3.3V" H 3015 5873 50  0000 C CNN
F 2 "" H 3000 5700 50  0001 C CNN
F 3 "" H 3000 5700 50  0001 C CNN
	1    3000 5700
	1    0    0    -1  
$EndComp
Wire Wire Line
	3200 6150 3200 6200
Wire Wire Line
	3000 6200 3100 6200
Connection ~ 3200 6200
Wire Wire Line
	3200 6200 3200 6250
Wire Wire Line
	4000 6450 4000 6500
Wire Wire Line
	4350 6500 4350 6450
Connection ~ 4000 6500
Wire Wire Line
	4000 6500 4000 6550
$Comp
L Device:C C12
U 1 1 5EF72A6E
P 3100 6450
F 0 "C12" H 3215 6496 50  0000 L CNN
F 1 "10u" H 3215 6405 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 3138 6300 50  0001 C CNN
F 3 "~" H 3100 6450 50  0001 C CNN
	1    3100 6450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR021
U 1 1 5EF732FF
P 3100 6600
F 0 "#PWR021" H 3100 6350 50  0001 C CNN
F 1 "GND" H 3105 6427 50  0000 C CNN
F 2 "" H 3100 6600 50  0001 C CNN
F 3 "" H 3100 6600 50  0001 C CNN
	1    3100 6600
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 6300 3100 6200
Connection ~ 3100 6200
Wire Wire Line
	3100 6200 3200 6200
$Comp
L Device:C C19
U 1 1 5EF8AF08
P 4350 6700
F 0 "C19" H 4465 6746 50  0000 L CNN
F 1 "22u" H 4465 6655 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 4388 6550 50  0001 C CNN
F 3 "~" H 4350 6700 50  0001 C CNN
	1    4350 6700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4350 6550 4350 6500
Wire Wire Line
	4350 6850 4200 6850
Connection ~ 4200 6850
Wire Wire Line
	4200 6850 4000 6850
Connection ~ 4350 6500
Wire Wire Line
	4000 6500 4350 6500
$Comp
L power:+3.3V #PWR049
U 1 1 5EFDFCE6
P 9950 5450
F 0 "#PWR049" H 9950 5300 50  0001 C CNN
F 1 "+3.3V" H 9965 5623 50  0000 C CNN
F 2 "" H 9950 5450 50  0001 C CNN
F 3 "" H 9950 5450 50  0001 C CNN
	1    9950 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	10050 5450 9950 5450
Wire Wire Line
	10050 5650 9850 5650
Wire Wire Line
	10050 5750 9850 5750
Text Label 9850 5750 0    50   ~ 0
SDA
Text Label 9850 5650 0    50   ~ 0
SCL
$Comp
L power:GND #PWR048
U 1 1 5F00BE2D
P 9700 5600
F 0 "#PWR048" H 9700 5350 50  0001 C CNN
F 1 "GND" H 9705 5427 50  0000 C CNN
F 2 "" H 9700 5600 50  0001 C CNN
F 3 "" H 9700 5600 50  0001 C CNN
	1    9700 5600
	1    0    0    -1  
$EndComp
Wire Wire Line
	10050 5550 9700 5550
Wire Wire Line
	9700 5550 9700 5600
$Comp
L Device:L L6
U 1 1 5F02543F
P 8300 1000
F 0 "L6" H 8257 954 50  0000 R CNN
F 1 "100u" H 8257 1045 50  0000 R CNN
F 2 "Inductors_SMD:L_1210" H 8300 1000 50  0001 C CNN
F 3 "~" H 8300 1000 50  0001 C CNN
	1    8300 1000
	-1   0    0    1   
$EndComp
Wire Wire Line
	8200 800  8300 800 
Wire Wire Line
	8300 800  8300 850 
$Comp
L Device:C C33
U 1 1 5F03BF88
P 9400 1000
F 0 "C33" H 9515 1046 50  0000 L CNN
F 1 "100n" H 9515 955 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 9438 850 50  0001 C CNN
F 3 "~" H 9400 1000 50  0001 C CNN
	1    9400 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	8300 1150 8300 1250
Wire Wire Line
	9400 850  9400 800 
$Comp
L Device:C C30
U 1 1 5F084671
P 8650 1250
F 0 "C30" V 8398 1250 50  0000 C CNN
F 1 "100n" V 8489 1250 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 8688 1100 50  0001 C CNN
F 3 "~" H 8650 1250 50  0001 C CNN
	1    8650 1250
	0    1    1    0   
$EndComp
Wire Wire Line
	8500 1250 8300 1250
Connection ~ 8300 1250
Wire Wire Line
	8300 1250 8300 1400
Connection ~ 8300 800 
$Comp
L Device:C C31
U 1 1 5F03C725
P 9000 1000
F 0 "C31" H 9115 1046 50  0000 L CNN
F 1 "10u" H 9115 955 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 9038 850 50  0001 C CNN
F 3 "~" H 9000 1000 50  0001 C CNN
	1    9000 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	8300 800  9000 800 
Wire Wire Line
	9000 850  9000 800 
Connection ~ 9000 800 
Wire Wire Line
	9000 800  9400 800 
Wire Wire Line
	9350 2600 9000 2600
Wire Wire Line
	9000 2600 9000 2500
$Comp
L power:GND #PWR042
U 1 1 5F0D940B
P 9250 2700
F 0 "#PWR042" H 9250 2450 50  0001 C CNN
F 1 "GND" H 9255 2527 50  0000 C CNN
F 2 "" H 9250 2700 50  0001 C CNN
F 3 "" H 9250 2700 50  0001 C CNN
	1    9250 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	9350 2500 9250 2500
Wire Wire Line
	9250 2500 9250 2700
Text Label 5750 2050 0    50   ~ 0
AREF
Text Label 8350 1250 0    50   ~ 0
AVCC
$Comp
L Device:C C35
U 1 1 5F1D4E48
P 6000 2200
F 0 "C35" H 5885 2154 50  0000 R CNN
F 1 "10n" H 5885 2245 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 6038 2050 50  0001 C CNN
F 3 "~" H 6000 2200 50  0001 C CNN
	1    6000 2200
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R21
U 1 1 5F1E9D13
P 6150 2050
F 0 "R21" V 5945 2050 50  0000 C CNN
F 1 "10k" V 6036 2050 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 6190 2040 50  0001 C CNN
F 3 "~" H 6150 2050 50  0001 C CNN
	1    6150 2050
	0    1    1    0   
$EndComp
Text Label 6300 2050 0    50   ~ 0
AVCC
$Comp
L Switch:SW_Push SW2
U 1 1 5F239A6B
P 10300 2950
F 0 "SW2" H 10300 3235 50  0000 C CNN
F 1 "Enter" H 10300 3144 50  0000 C CNN
F 2 "Buttons_Switches_SMD:SW_SPST_B3U-1000P-B" H 10300 3150 50  0001 C CNN
F 3 "~" H 10300 3150 50  0001 C CNN
	1    10300 2950
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW3
U 1 1 5F23A03F
P 10300 3400
F 0 "SW3" H 10300 3685 50  0000 C CNN
F 1 "Left" H 10300 3594 50  0000 C CNN
F 2 "Buttons_Switches_SMD:SW_SPST_B3U-1000P-B" H 10300 3600 50  0001 C CNN
F 3 "~" H 10300 3600 50  0001 C CNN
	1    10300 3400
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW4
U 1 1 5F23A62E
P 10300 3800
F 0 "SW4" H 10300 4085 50  0000 C CNN
F 1 "Right" H 10300 3994 50  0000 C CNN
F 2 "Buttons_Switches_SMD:SW_SPST_B3U-1000P-B" H 10300 4000 50  0001 C CNN
F 3 "~" H 10300 4000 50  0001 C CNN
	1    10300 3800
	1    0    0    -1  
$EndComp
Text Label 8800 2000 0    50   ~ 0
Vbias
Text Label 7350 2700 0    50   ~ 0
SCL
Text Label 7350 2900 0    50   ~ 0
SDA
Wire Wire Line
	10100 2950 10100 3400
Connection ~ 10100 3400
Wire Wire Line
	10100 3400 10100 3800
$Comp
L Device:R_US R22
U 1 1 5F283AA3
P 10500 3950
F 0 "R22" H 10432 3904 50  0000 R CNN
F 1 "1k" H 10432 3995 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10540 3940 50  0001 C CNN
F 3 "~" H 10500 3950 50  0001 C CNN
	1    10500 3950
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR050
U 1 1 5F2842FA
P 10500 4100
F 0 "#PWR050" H 10500 3850 50  0001 C CNN
F 1 "GND" H 10505 3927 50  0000 C CNN
F 2 "" H 10500 4100 50  0001 C CNN
F 3 "" H 10500 4100 50  0001 C CNN
	1    10500 4100
	1    0    0    -1  
$EndComp
Text Label 10100 3150 1    50   ~ 0
BTN
$Comp
L Device:C C32
U 1 1 5F290160
P 6450 2800
F 0 "C32" V 6198 2800 50  0000 C CNN
F 1 "10u" V 6289 2800 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 6488 2650 50  0001 C CNN
F 3 "~" H 6450 2800 50  0001 C CNN
	1    6450 2800
	0    -1   1    0   
$EndComp
$Comp
L Device:Speaker LS1
U 1 1 5F2D5103
P 5900 2800
F 0 "LS1" H 6070 2796 50  0000 L CNN
F 1 "Speaker" H 6070 2705 50  0000 L CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 5900 2600 50  0001 C CNN
F 3 "~" H 5890 2750 50  0001 C CNN
	1    5900 2800
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR052
U 1 1 5F2D6C54
P 6250 2950
F 0 "#PWR052" H 6250 2700 50  0001 C CNN
F 1 "GND" H 6255 2777 50  0000 C CNN
F 2 "" H 6250 2950 50  0001 C CNN
F 3 "" H 6250 2950 50  0001 C CNN
	1    6250 2950
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6100 2800 6300 2800
Text Label 6300 2800 2    50   ~ 0
SPKR
Wire Wire Line
	6100 2900 6250 2900
Wire Wire Line
	6250 2900 6250 2950
$Comp
L power:GND #PWR053
U 1 1 5F325FF7
P 8100 6100
F 0 "#PWR053" H 8100 5850 50  0001 C CNN
F 1 "GND" H 8105 5927 50  0000 C CNN
F 2 "" H 8100 6100 50  0001 C CNN
F 3 "" H 8100 6100 50  0001 C CNN
	1    8100 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	8300 5750 7900 5750
Text Label 8100 5750 0    50   ~ 0
DIT
Text Label 8100 5850 0    50   ~ 0
DAH
Text Label 7900 5750 0    50   ~ 0
PTT
$Comp
L uSDX:JW5057 U5
U 1 1 5EDDB1FE
P 3500 6150
F 0 "U5" H 3500 6475 50  0000 C CNN
F 1 "JW50507" H 3500 6384 50  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23-6" H 3475 6150 50  0001 C CNN
F 3 "" H 3475 6150 50  0001 C CNN
	1    3500 6150
	1    0    0    -1  
$EndComp
$Comp
L uSDX:SSD1306 U8
U 1 1 5EFC4A96
P 10600 5600
F 0 "U8" V 10549 5703 50  0000 L CNN
F 1 "OLED Display" V 10640 5703 50  0000 L CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm" H 10600 5600 50  0001 C CNN
F 3 "" H 10600 5600 50  0001 C CNN
	1    10600 5600
	0    1    1    0   
$EndComp
$Comp
L Device:Ferrite_Bead FB2
U 1 1 5EDAC63B
P 1200 6400
F 0 "FB2" H 1063 6354 50  0000 R CNN
F 1 "Ferrite_Bead" H 1063 6445 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 1130 6400 50  0001 C CNN
F 3 "~" H 1200 6400 50  0001 C CNN
	1    1200 6400
	-1   0    0    1   
$EndComp
$Comp
L Device:C C8
U 1 1 5EDADCF5
P 750 6900
F 0 "C8" H 635 6854 50  0000 R CNN
F 1 "100n" H 635 6945 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 788 6750 50  0001 C CNN
F 3 "~" H 750 6900 50  0001 C CNN
	1    750  6900
	-1   0    0    1   
$EndComp
Wire Wire Line
	750  7050 750  7150
Wire Wire Line
	750  6550 750  6750
Wire Wire Line
	1200 6550 750  6550
Connection ~ 1200 6550
Text Label 750  6550 0    50   ~ 0
12v_clean
Text HLabel 8800 2800 2    50   Input ~ 0
Rx_En
$Comp
L power:GND #PWR0113
U 1 1 5EE6D6F0
P 5100 5600
F 0 "#PWR0113" H 5100 5350 50  0001 C CNN
F 1 "GND" H 5105 5427 50  0000 C CNN
F 2 "" H 5100 5600 50  0001 C CNN
F 3 "" H 5100 5600 50  0001 C CNN
	1    5100 5600
	1    0    0    -1  
$EndComp
Text HLabel 5000 5500 0    50   UnSpc ~ 0
Gnd
Wire Wire Line
	5000 5500 5100 5500
Wire Wire Line
	5100 5500 5100 5600
Text HLabel 1200 6250 1    50   Input ~ 0
12v
Wire Wire Line
	8200 800  8200 1300
Wire Wire Line
	8100 1400 8100 1300
Wire Wire Line
	8100 1300 8200 1300
Connection ~ 8200 1300
Wire Wire Line
	8200 1300 8200 1400
$Comp
L power:+3.3V #PWR0114
U 1 1 5EEB7D14
P 8200 800
F 0 "#PWR0114" H 8200 650 50  0001 C CNN
F 1 "+3.3V" H 8215 973 50  0000 C CNN
F 2 "" H 8200 800 50  0001 C CNN
F 3 "" H 8200 800 50  0001 C CNN
	1    8200 800 
	1    0    0    -1  
$EndComp
Connection ~ 8200 800 
Wire Wire Line
	7600 2200 7450 2200
$Comp
L Device:C C28
U 1 1 5EECF15C
P 7050 2300
F 0 "C28" H 7165 2346 50  0000 L CNN
F 1 "10pF" H 7165 2255 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 7088 2150 50  0001 C CNN
F 3 "~" H 7050 2300 50  0001 C CNN
	1    7050 2300
	0    1    1    0   
$EndComp
$Comp
L Device:C C9
U 1 1 5EED175B
P 7050 2000
F 0 "C9" H 6936 1954 50  0000 R CNN
F 1 "10pF" H 6936 2045 50  0000 R CNN
F 2 "Capacitors_SMD:C_0805" H 7088 1850 50  0001 C CNN
F 3 "~" H 7050 2000 50  0001 C CNN
	1    7050 2000
	0    -1   1    0   
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 5EED1A2C
P 6800 2300
F 0 "#PWR0115" H 6800 2050 50  0001 C CNN
F 1 "GND" H 6805 2127 50  0000 C CNN
F 2 "" H 6800 2300 50  0001 C CNN
F 3 "" H 6800 2300 50  0001 C CNN
	1    6800 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	6900 2000 6900 2300
Wire Wire Line
	6800 2300 6900 2300
Connection ~ 6900 2300
Wire Wire Line
	7200 2300 7300 2300
Connection ~ 7300 2300
Wire Wire Line
	7450 2000 7300 2000
Wire Wire Line
	7450 2000 7450 2200
Wire Wire Line
	7300 2000 7200 2000
Connection ~ 7300 2000
Wire Wire Line
	7300 2300 7600 2300
Wire Wire Line
	8800 2000 8700 2000
Wire Wire Line
	8800 1800 8700 1800
Wire Wire Line
	7350 2700 7600 2700
Wire Wire Line
	7350 2900 7600 2900
Wire Wire Line
	8700 1900 8800 1900
Wire Wire Line
	9000 1150 9250 1150
Wire Wire Line
	9250 1150 9400 1150
Connection ~ 9250 1150
$Comp
L power:GND #PWR043
U 1 1 5F03D5B9
P 9250 1150
F 0 "#PWR043" H 9250 900 50  0001 C CNN
F 1 "GND" H 9255 977 50  0000 C CNN
F 2 "" H 9250 1150 50  0001 C CNN
F 3 "" H 9250 1150 50  0001 C CNN
	1    9250 1150
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0117
U 1 1 5F025163
P 8800 1250
F 0 "#PWR0117" H 8800 1000 50  0001 C CNN
F 1 "GNDA" H 8805 1077 50  0000 C CNN
F 2 "" H 8800 1250 50  0001 C CNN
F 3 "" H 8800 1250 50  0001 C CNN
	1    8800 1250
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0118
U 1 1 5F025588
P 5550 2350
F 0 "#PWR0118" H 5550 2100 50  0001 C CNN
F 1 "GNDA" H 5555 2177 50  0000 C CNN
F 2 "" H 5550 2350 50  0001 C CNN
F 3 "" H 5550 2350 50  0001 C CNN
	1    5550 2350
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0119
U 1 1 5F025E36
P 5250 2850
F 0 "#PWR0119" H 5250 2600 50  0001 C CNN
F 1 "GNDA" H 5255 2677 50  0000 C CNN
F 2 "" H 5250 2850 50  0001 C CNN
F 3 "" H 5250 2850 50  0001 C CNN
	1    5250 2850
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0122
U 1 1 5F026707
P 5250 1600
F 0 "#PWR0122" H 5250 1350 50  0001 C CNN
F 1 "GNDA" H 5255 1427 50  0000 C CNN
F 2 "" H 5250 1600 50  0001 C CNN
F 3 "" H 5250 1600 50  0001 C CNN
	1    5250 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	750  7150 1000 7150
$Comp
L power:GNDA #PWR0124
U 1 1 5F0270FF
P 1000 7150
F 0 "#PWR0124" H 1000 6900 50  0001 C CNN
F 1 "GNDA" H 1005 6977 50  0000 C CNN
F 2 "" H 1000 7150 50  0001 C CNN
F 3 "" H 1000 7150 50  0001 C CNN
	1    1000 7150
	1    0    0    -1  
$EndComp
Connection ~ 1000 7150
Wire Wire Line
	1000 7150 1200 7150
Connection ~ 6000 2050
$Comp
L power:GNDA #PWR0125
U 1 1 5F03D8AF
P 6000 2350
F 0 "#PWR0125" H 6000 2100 50  0001 C CNN
F 1 "GNDA" H 6005 2177 50  0000 C CNN
F 2 "" H 6000 2350 50  0001 C CNN
F 3 "" H 6000 2350 50  0001 C CNN
	1    6000 2350
	1    0    0    -1  
$EndComp
Text Label 8850 3000 0    50   ~ 0
SWDIO
Text Label 8850 2900 0    50   ~ 0
SWCLK
Text Label 7350 3000 0    50   ~ 0
TX
Text Label 7350 3100 0    50   ~ 0
RX
Wire Wire Line
	7350 3000 7600 3000
Wire Wire Line
	7350 3100 7600 3100
Wire Wire Line
	8700 2900 8850 2900
Wire Wire Line
	8700 3000 8850 3000
Wire Wire Line
	8700 2400 9350 2400
Wire Wire Line
	8700 2500 9000 2500
$Comp
L Connector:AudioJack4 J7
U 1 1 5F1114D7
P 8000 4800
F 0 "J7" H 7670 4775 50  0000 R CNN
F 1 "AudioJack4" H 7670 4684 50  0000 R CNN
F 2 "uSDX:ASJ-112-M" H 8000 4800 50  0001 C CNN
F 3 "http://www.adam-tech.com/downloader.php?p=ASJ-112-X.pdf" H 8000 4800 50  0001 C CNN
	1    8000 4800
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8800 2100 8700 2100
$Comp
L power:GND #PWR0126
U 1 1 5F11E76E
P 7350 5000
F 0 "#PWR0126" H 7350 4750 50  0001 C CNN
F 1 "GND" H 7355 4827 50  0000 C CNN
F 2 "" H 7350 5000 50  0001 C CNN
F 3 "" H 7350 5000 50  0001 C CNN
	1    7350 5000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7800 4800 7350 4800
Text Label 6850 4700 0    50   ~ 0
MIC
Wire Wire Line
	7550 4700 7800 4700
Text Label 7450 5000 0    50   ~ 0
SPKR_L
Text Notes 7650 4550 0    50   ~ 0
Phone-style headset with mic
Text Notes 8000 5600 0    50   ~ 0
External mic or key
Text Label 8800 2600 0    50   ~ 0
DIT
Wire Wire Line
	8700 2600 8800 2600
Wire Wire Line
	8800 2800 8700 2800
$Comp
L Device:Ferrite_Bead FB1
U 1 1 5F196E74
P 850 5850
F 0 "FB1" H 713 5804 50  0000 R CNN
F 1 "Ferrite_Bead" H 713 5895 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 780 5850 50  0001 C CNN
F 3 "~" H 850 5850 50  0001 C CNN
	1    850  5850
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0127
U 1 1 5F1986B1
P 850 6000
F 0 "#PWR0127" H 850 5750 50  0001 C CNN
F 1 "GND" H 855 5827 50  0000 C CNN
F 2 "" H 850 6000 50  0001 C CNN
F 3 "" H 850 6000 50  0001 C CNN
	1    850  6000
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0128
U 1 1 5F199760
P 850 5700
F 0 "#PWR0128" H 850 5450 50  0001 C CNN
F 1 "GNDA" H 855 5527 50  0000 C CNN
F 2 "" H 850 5700 50  0001 C CNN
F 3 "" H 850 5700 50  0001 C CNN
	1    850  5700
	-1   0    0    1   
$EndComp
Text Label 10500 2200 0    50   ~ 0
AVCC
Wire Wire Line
	10100 2600 10100 2950
Wire Wire Line
	9950 2600 10100 2600
Connection ~ 10100 2950
Text Label 8800 2700 0    50   ~ 0
DAH
Wire Wire Line
	8800 2700 8700 2700
Wire Wire Line
	7900 5850 8300 5850
Wire Wire Line
	7350 5000 7350 4800
$Comp
L Device:C C29
U 1 1 5F28CB56
P 7400 4700
F 0 "C29" V 7652 4700 50  0000 C CNN
F 1 "10n" V 7561 4700 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805" H 7438 4550 50  0001 C CNN
F 3 "~" H 7400 4700 50  0001 C CNN
	1    7400 4700
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_US R4
U 1 1 5F28CB5C
P 7100 4950
F 0 "R4" H 7168 4996 50  0000 L CNN
F 1 "2M" H 7168 4905 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 7140 4940 50  0001 C CNN
F 3 "~" H 7100 4950 50  0001 C CNN
	1    7100 4950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R2
U 1 1 5F28CB62
P 7100 4450
F 0 "R2" H 7168 4496 50  0000 L CNN
F 1 "2M" H 7168 4405 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 7140 4440 50  0001 C CNN
F 3 "~" H 7100 4450 50  0001 C CNN
	1    7100 4450
	1    0    0    -1  
$EndComp
Wire Wire Line
	6850 4700 7100 4700
Wire Wire Line
	7100 4600 7100 4700
Connection ~ 7100 4700
Wire Wire Line
	7100 4700 7250 4700
Wire Wire Line
	7100 4700 7100 4800
$Comp
L power:GNDA #PWR0130
U 1 1 5F28CB6D
P 7100 5100
F 0 "#PWR0130" H 7100 4850 50  0001 C CNN
F 1 "GNDA" H 7105 4927 50  0000 C CNN
F 2 "" H 7100 5100 50  0001 C CNN
F 3 "" H 7100 5100 50  0001 C CNN
	1    7100 5100
	1    0    0    -1  
$EndComp
Text Label 7100 4300 0    50   ~ 0
AVCC
Wire Wire Line
	8100 6100 8100 6050
Wire Wire Line
	8100 5950 8300 5950
Wire Wire Line
	8300 6050 8100 6050
Connection ~ 8100 6050
Wire Wire Line
	8100 6050 8100 5950
$Comp
L Connector:AudioJack4 J3
U 1 1 5EEE8932
P 8500 5950
F 0 "J3" H 8170 5925 50  0000 R CNN
F 1 "AudioJack4" H 8170 5834 50  0000 R CNN
F 2 "uSDX:ASJ-112-M" H 8500 5950 50  0001 C CNN
F 3 "http://www.adam-tech.com/downloader.php?p=ASJ-112-X.pdf" H 8500 5950 50  0001 C CNN
	1    8500 5950
	-1   0    0    1   
$EndComp
$Comp
L Connector:Conn_01x02_Female J9
U 1 1 5F0E8087
P 2000 5650
F 0 "J9" H 2028 5626 50  0000 L CNN
F 1 "Conn_01x02_Female" H 2028 5535 50  0000 L CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 2000 5650 50  0001 C CNN
F 3 "~" H 2000 5650 50  0001 C CNN
	1    2000 5650
	1    0    0    -1  
$EndComp
Text HLabel 1750 5650 0    50   Input ~ 0
12v
Wire Wire Line
	1750 5650 1800 5650
$Comp
L power:GND #PWR02
U 1 1 5F12A081
P 1750 5750
F 0 "#PWR02" H 1750 5500 50  0001 C CNN
F 1 "GND" H 1755 5577 50  0000 C CNN
F 2 "" H 1750 5750 50  0001 C CNN
F 3 "" H 1750 5750 50  0001 C CNN
	1    1750 5750
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 5750 1800 5750
Wire Wire Line
	8800 2200 8700 2200
Wire Wire Line
	8800 2300 8700 2300
Text Label 8800 1900 0    50   ~ 0
MIC2
Text Label 8800 2100 0    50   ~ 0
MIC
Text Label 8800 1800 0    50   ~ 0
BTN
$Comp
L 74xx:74LS00 U3
U 3 1 5EEAB506
P 6900 2800
AR Path="/5EEAB506" Ref="U3"  Part="3" 
AR Path="/5ED6119E/5EEAB506" Ref="U3"  Part="3" 
F 0 "U3" H 6900 3125 50  0000 C CNN
F 1 "74ACT00" H 6900 3034 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm" H 6900 2800 50  0001 C CNN
F 3 "http://www.ti.com/lit/gpn/sn74ls00" H 6900 2800 50  0001 C CNN
	3    6900 2800
	-1   0    0    1   
$EndComp
Wire Wire Line
	7200 2700 7200 2800
Wire Wire Line
	7200 2800 7600 2800
Connection ~ 7200 2800
Wire Wire Line
	7200 2800 7200 2900
Text Label 8800 2500 0    50   ~ 0
PRG_RX
$Comp
L Device:R_US R29
U 1 1 5EECAB7C
P 6650 6400
F 0 "R29" H 6718 6446 50  0000 L CNN
F 1 "10k" H 6718 6355 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 6690 6390 50  0001 C CNN
F 3 "~" H 6650 6400 50  0001 C CNN
	1    6650 6400
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R28
U 1 1 5EECB437
P 6650 6000
F 0 "R28" H 6718 6046 50  0000 L CNN
F 1 "100k" H 6718 5955 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 6690 5990 50  0001 C CNN
F 3 "~" H 6650 6000 50  0001 C CNN
	1    6650 6000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 5EECB800
P 6650 6550
F 0 "#PWR08" H 6650 6300 50  0001 C CNN
F 1 "GND" H 6655 6377 50  0000 C CNN
F 2 "" H 6650 6550 50  0001 C CNN
F 3 "" H 6650 6550 50  0001 C CNN
	1    6650 6550
	1    0    0    -1  
$EndComp
Text HLabel 6650 5850 2    50   Input ~ 0
12v
Wire Wire Line
	6650 6150 6650 6200
Wire Wire Line
	6650 6200 6750 6200
Connection ~ 6650 6200
Wire Wire Line
	6650 6200 6650 6250
Text Label 6750 6200 0    50   ~ 0
VBAT
Text Label 8800 1600 0    50   ~ 0
VBAT
Wire Wire Line
	8700 1600 8800 1600
$Comp
L Device:R_US R31
U 1 1 5EF11DAC
P 3000 5850
F 0 "R31" H 3068 5896 50  0000 L CNN
F 1 "45k" H 3068 5805 50  0000 L CNN
F 2 "Resistors_SMD:R_0805" V 3040 5840 50  0001 C CNN
F 3 "~" H 3000 5850 50  0001 C CNN
	1    3000 5850
	1    0    0    -1  
$EndComp
$Comp
L Device:R_US R30
U 1 1 5EF31664
P 2800 6050
F 0 "R30" V 2595 6050 50  0000 C CNN
F 1 "10k" V 2686 6050 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 2840 6040 50  0001 C CNN
F 3 "~" H 2800 6050 50  0001 C CNN
	1    2800 6050
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0132
U 1 1 5EF31CEB
P 2650 6050
F 0 "#PWR0132" H 2650 5800 50  0001 C CNN
F 1 "GND" H 2655 5877 50  0000 C CNN
F 2 "" H 2650 6050 50  0001 C CNN
F 3 "" H 2650 6050 50  0001 C CNN
	1    2650 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2950 6050 3000 6050
Wire Wire Line
	3000 6000 3000 6050
Connection ~ 3000 6050
Wire Wire Line
	3000 6050 3200 6050
$Comp
L Device:R_US R?
U 1 1 5F5BCF2F
P 10500 3600
F 0 "R?" H 10432 3554 50  0000 R CNN
F 1 "1k" H 10432 3645 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10540 3590 50  0001 C CNN
F 3 "~" H 10500 3600 50  0001 C CNN
	1    10500 3600
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F5BD5D8
P 10500 3200
F 0 "R?" H 10432 3154 50  0000 R CNN
F 1 "1k" H 10432 3245 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10540 3190 50  0001 C CNN
F 3 "~" H 10500 3200 50  0001 C CNN
	1    10500 3200
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F5BDE16
P 10500 2750
F 0 "R?" H 10432 2704 50  0000 R CNN
F 1 "1k" H 10432 2795 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10540 2740 50  0001 C CNN
F 3 "~" H 10500 2750 50  0001 C CNN
	1    10500 2750
	-1   0    0    1   
$EndComp
$Comp
L Device:R_US R?
U 1 1 5F5BE188
P 10500 2350
F 0 "R?" H 10432 2304 50  0000 R CNN
F 1 "1k" H 10432 2395 50  0000 R CNN
F 2 "Resistors_SMD:R_0805" V 10540 2340 50  0001 C CNN
F 3 "~" H 10500 2350 50  0001 C CNN
	1    10500 2350
	-1   0    0    1   
$EndComp
Wire Wire Line
	9950 2400 10400 2400
Wire Wire Line
	10400 2400 10400 2550
Wire Wire Line
	10400 2550 10500 2550
Wire Wire Line
	10500 2550 10500 2500
Wire Wire Line
	10500 2550 10500 2600
Connection ~ 10500 2550
Wire Wire Line
	10500 2900 10500 2950
Connection ~ 10500 2950
Wire Wire Line
	10500 2950 10500 3050
Wire Wire Line
	10500 3350 10500 3400
Connection ~ 10500 3400
Wire Wire Line
	10500 3400 10500 3450
Wire Wire Line
	10500 3750 10500 3800
Connection ~ 10500 3800
Text Label 7450 4900 0    50   ~ 0
SPKR_L
Wire Wire Line
	7450 5000 7800 5000
Wire Wire Line
	7450 4900 7800 4900
$EndSCHEMATC