Dulcimer/circuit/dulcimer.sch

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2008-07-09 20:47:12 +00:00
EESchema Schematic File Version 2
LIBS:power,pinhead,device,conn,linear,regul,74xx,cmos4000,adc-dac,memory,xilinx,special,microcontrollers,dsp,microchip,analog_switches,motorola,texas,intel,audio,interface,digital-audio,philips,display,cypress,siliconi,contrib,valves,./dulcimer.cache
EELAYER 24 0
EELAYER END
$Descr A4 11700 8267
Sheet 1 1
Title "Dulcimer - USB Keyboard Controller"
Date "10 jul 2008"
Rev "2"
2008-07-09 20:47:12 +00:00
Comp "Ronald Schaten"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Wire Wire Line
9450 4500 9950 4500
$Comp
L VCC #PWR01
U 1 1 48759EA4
P 9450 4500
AR Path="/48759EA4" Ref="#PWR01"
F 0 "#PWR01" H 9450 4600 30 0001 C C
F 1 "VCC" H 9450 4600 30 0000 C C
1 9450 4500
0 -1 -1 0
$EndComp
2008-07-09 20:47:12 +00:00
Wire Wire Line
3850 5650 3850 5900
Wire Wire Line
2750 5650 2750 5900
Connection ~ 3750 6600
Wire Wire Line
3750 5650 3750 6600
Wire Wire Line
2550 5650 2550 6050
Wire Wire Line
2550 6050 2850 6050
Wire Wire Line
2850 6050 2850 6300
Wire Wire Line
3050 6750 5450 6750
Wire Wire Line
3050 6750 3050 6300
Wire Wire Line
2950 6300 2950 6750
Wire Wire Line
2950 6750 1750 6750
Wire Wire Line
5250 5900 5250 4500
Wire Wire Line
5250 4500 4400 4500
Wire Wire Line
5450 5900 5450 4700
Wire Wire Line
5450 4700 4400 4700
Wire Wire Line
2050 4200 2050 4450
Wire Wire Line
1000 6850 1000 7100
Wire Wire Line
6100 5500 6100 5750
Wire Wire Line
6450 4900 6450 4000
Wire Wire Line
6450 4000 4400 4000
Wire Wire Line
5750 4900 5750 4600
Wire Wire Line
5750 4600 4400 4600
Wire Wire Line
9450 5950 8900 5950
Wire Wire Line
4400 1300 5350 1300
Wire Wire Line
9250 1300 9950 1300
Wire Wire Line
9950 3950 8850 3950
Wire Wire Line
9950 3750 8850 3750
Wire Wire Line
9950 3550 8850 3550
Wire Wire Line
9950 3350 8850 3350
Wire Wire Line
9950 2800 9250 2800
Wire Wire Line
9950 2600 9250 2600
Wire Wire Line
9950 2400 9250 2400
Wire Wire Line
9950 2200 9250 2200
Wire Wire Line
9950 2000 9250 2000
Wire Wire Line
9950 1800 9250 1800
Wire Wire Line
9950 1600 9250 1600
Wire Wire Line
9950 1400 9250 1400
Wire Wire Line
5700 2900 4400 2900
Wire Wire Line
5700 2700 4400 2700
Wire Wire Line
5700 2500 4400 2500
Wire Wire Line
4400 2300 5700 2300
Wire Wire Line
5350 3800 4400 3800
Wire Wire Line
5350 3600 4400 3600
Wire Wire Line
5350 3400 4400 3400
Wire Wire Line
5350 3200 4400 3200
Wire Wire Line
5350 2000 4400 2000
Wire Wire Line
5350 1800 4400 1800
Wire Wire Line
5350 1600 4400 1600
Wire Wire Line
5350 1400 4400 1400
Wire Bus Line
8750 3850 8750 1750
Wire Bus Line
8750 1750 5800 1750
Wire Bus Line
5800 1750 5800 2800
Connection ~ 10150 6350
Wire Wire Line
10150 6350 9750 6350
Connection ~ 10150 6150
Wire Wire Line
9750 6150 10150 6150
Wire Wire Line
10150 5800 10150 5950
Wire Wire Line
10150 5950 9750 5950
Wire Wire Line
9950 4700 9450 4700
Wire Wire Line
9450 4700 9450 4800
Wire Wire Line
9450 4800 9050 4800
Wire Wire Line
9050 4400 9950 4400
Wire Wire Line
8550 4600 8150 4600
Wire Wire Line
8150 4600 8150 4200
Wire Wire Line
8150 4200 4400 4200
Connection ~ 5000 6600
Wire Wire Line
5000 6600 5000 7000
Wire Wire Line
4300 5950 4300 5850
Connection ~ 4300 6750
Wire Wire Line
4650 7400 4650 7550
Wire Wire Line
1000 6750 800 6750
Wire Wire Line
800 6750 800 7100
Wire Wire Line
3300 5000 3300 5150
Wire Wire Line
1550 3600 1550 3800
Wire Wire Line
1000 3600 1000 3800
Wire Wire Line
1550 2300 2200 2300
Wire Wire Line
1550 1700 2400 1700
Wire Wire Line
850 1700 1150 1700
Wire Wire Line
1900 1300 2400 1300
Wire Wire Line
1150 1100 1150 1300
Wire Wire Line
1150 1300 1400 1300
Wire Wire Line
3300 1000 3300 800
Wire Wire Line
2400 2100 2200 2100
Wire Wire Line
2200 2100 2200 2300
Wire Wire Line
1150 2300 850 2300
Wire Wire Line
1000 4200 1000 4450
Wire Wire Line
1550 4200 1550 4450
Wire Wire Line
800 6350 800 6600
Wire Wire Line
800 6600 1000 6600
Wire Wire Line
4300 7550 4300 7400
Wire Wire Line
5000 7550 5000 7400
Wire Wire Line
4300 6900 4300 6450
Wire Wire Line
4650 7000 4650 6750
Connection ~ 4650 6750
Wire Wire Line
4400 4100 8250 4100
Wire Wire Line
8250 4100 8250 4400
Wire Wire Line
8250 4400 8550 4400
Wire Wire Line
4400 4300 8050 4300
Wire Wire Line
8050 4300 8050 4800
Wire Wire Line
8050 4800 8550 4800
Wire Wire Line
9050 4600 9950 4600
Connection ~ 1900 1700
Connection ~ 1900 2300
Wire Wire Line
9750 6050 10150 6050
Wire Wire Line
10150 6050 10150 6550
Wire Wire Line
10150 6250 9750 6250
Connection ~ 10150 6250
Wire Bus Line
5450 3700 5450 850
Wire Bus Line
5450 850 9150 850
Wire Bus Line
9150 850 9150 2700
Wire Wire Line
4400 1500 5350 1500
Wire Wire Line
4400 1700 5350 1700
Wire Wire Line
4400 1900 5350 1900
Wire Wire Line
4400 3100 5350 3100
Wire Wire Line
4400 3300 5350 3300
Wire Wire Line
4400 3500 5350 3500
Wire Wire Line
4400 3700 5350 3700
Wire Wire Line
5700 2200 4400 2200
Wire Wire Line
5700 2400 4400 2400
Wire Wire Line
4400 2600 5700 2600
Wire Wire Line
4400 2800 5700 2800
Wire Wire Line
9250 1500 9950 1500
Wire Wire Line
9250 1700 9950 1700
Wire Wire Line
9250 1900 9950 1900
Wire Wire Line
9250 2100 9950 2100
Wire Wire Line
9250 2300 9950 2300
Wire Wire Line
9250 2500 9950 2500
Wire Wire Line
9250 2700 9950 2700
Wire Wire Line
8850 3250 9950 3250
Wire Wire Line
8850 3450 9950 3450
Wire Wire Line
8850 3650 9950 3650
Wire Wire Line
8850 3850 9950 3850
Wire Wire Line
9450 6150 8900 6150
Wire Wire Line
9450 6250 8900 6250
Wire Wire Line
9450 6350 8900 6350
Wire Wire Line
4400 4400 6100 4400
Wire Wire Line
6100 4400 6100 4900
Wire Wire Line
5750 5500 5750 5750
Wire Wire Line
6450 5500 6450 5750
Wire Wire Line
1750 6850 1750 7100
Wire Wire Line
2250 4200 2250 4450
Wire Wire Line
5450 6750 5450 6400
Wire Wire Line
5250 6400 5250 6600
Wire Wire Line
1750 6600 2300 6600
Wire Wire Line
2300 6600 2300 6300
Wire Wire Line
2400 6300 2400 6600
Wire Wire Line
2400 6600 5250 6600
Wire Wire Line
2200 6300 2200 5950
Wire Wire Line
2200 5950 2650 5950
Wire Wire Line
2650 5950 2650 5650
Wire Wire Line
3650 5650 3650 6750
Connection ~ 3650 6750
Wire Wire Line
2200 5650 2200 5850
Wire Wire Line
2200 5850 2450 5850
Wire Wire Line
2450 5850 2450 5650
Wire Wire Line
3300 5650 3300 5850
Wire Wire Line
3300 5850 3550 5850
Wire Wire Line
3550 5850 3550 5650
$Comp
L GND #PWR02
2008-07-09 20:47:12 +00:00
U 1 1 4808EF19
P 3850 5900
AR Path="/4808EF19" Ref="#PWR02"
F 0 "#PWR02" H 3850 5900 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "GND" H 3850 5830 30 0001 C C
1 3850 5900
1 0 0 -1
$EndComp
$Comp
L GND #PWR03
2008-07-09 20:47:12 +00:00
U 1 1 4808EF14
P 2750 5900
AR Path="/4808EF14" Ref="#PWR03"
F 0 "#PWR03" H 2750 5900 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "GND" H 2750 5830 30 0001 C C
1 2750 5900
1 0 0 -1
$EndComp
$Comp
L VCC #PWR04
2008-07-09 20:47:12 +00:00
U 1 1 4808EF05
P 3300 5650
AR Path="/4808EF05" Ref="#PWR04"
F 0 "#PWR04" H 3300 5750 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "VCC" H 3300 5750 30 0000 C C
1 3300 5650
1 0 0 -1
$EndComp
$Comp
L VCC #PWR05
2008-07-09 20:47:12 +00:00
U 1 1 4808EF01
P 2200 5650
AR Path="/4808EF01" Ref="#PWR05"
F 0 "#PWR05" H 2200 5750 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "VCC" H 2200 5750 30 0000 C C
1 2200 5650
1 0 0 -1
$EndComp
Text Notes 3300 5450 0 60 ~
USB AUX IN
$Comp
L PINHD-1X4 JP13
U 1 1 4808E9EA
P 3750 5550
AR Path="/4808E9EA" Ref="JP13"
F 0 "JP13" H 3500 5875 50 0000 L B
F 1 "PINHD-1X4" H 3500 5250 50 0000 L B
F 2 "pinhead-1X04" H 3750 5700 50 0001 C C
1 3750 5550
0 -1 -1 0
$EndComp
$Comp
L PINHD-1X3 JP12
U 1 1 4808E9BA
P 2950 6200
AR Path="/4808E9BA" Ref="JP12"
F 0 "JP12" H 2700 6425 50 0000 L B
F 1 "PINHD-1X3" H 2700 5900 50 0000 L B
F 2 "pinhead-1X03" H 2950 6350 50 0001 C C
1 2950 6200
0 -1 -1 0
$EndComp
$Comp
L PINHD-1X3 JP11
U 1 1 4808E9AB
P 2300 6200
AR Path="/4808E9AB" Ref="JP11"
F 0 "JP11" H 2050 6425 50 0000 L B
F 1 "PINHD-1X3" H 2050 5900 50 0000 L B
F 2 "pinhead-1X03" H 2300 6350 50 0001 C C
1 2300 6200
0 -1 -1 0
$EndComp
Text Notes 2150 5450 0 60 ~
USB AUX OUT
$Comp
L PINHD-1X4 JP10
U 1 1 4808C81B
P 2650 5550
AR Path="/4808C81B" Ref="JP10"
F 0 "JP10" H 2400 5875 50 0000 L B
F 1 "PINHD-1X4" H 2400 5250 50 0000 L B
F 2 "pinhead-1X04" H 2650 5700 50 0001 C C
1 2650 5550
0 -1 -1 0
$EndComp
Text Notes 2050 3700 0 60 ~
GND
$Comp
L CONN_2 P1
U 1 1 48061210
P 2150 3850
AR Path="/48061210" Ref="P1"
F 0 "P1" V 2100 3850 40 0000 C C
F 1 "CONN_2" V 2200 3850 40 0000 C C
1 2150 3850
0 -1 -1 0
$EndComp
$Comp
L GND #PWR06
2008-07-09 20:47:12 +00:00
U 1 1 480611EF
P 2050 4450
AR Path="/480611EF" Ref="#PWR06"
F 0 "#PWR06" H 2050 4450 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "GND" H 2050 4380 30 0001 C C
1 2050 4450
1 0 0 -1
$EndComp
$Comp
L GND #PWR07
2008-07-09 20:47:12 +00:00
U 1 1 480611ED
P 2250 4450
AR Path="/480611ED" Ref="#PWR07"
F 0 "#PWR07" H 2250 4450 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "GND" H 2250 4380 30 0001 C C
1 2250 4450
1 0 0 -1
$EndComp
$Comp
L GND #PWR08
2008-07-09 20:47:12 +00:00
U 1 1 480611E8
P 1750 7100
AR Path="/480611E8" Ref="#PWR08"
F 0 "#PWR08" H 1750 7100 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "GND" H 1750 7030 30 0001 C C
1 1750 7100
1 0 0 -1
$EndComp
$Comp
L GND #PWR09
2008-07-09 20:47:12 +00:00
U 1 1 480611E3
P 1000 7100
AR Path="/480611E3" Ref="#PWR09"
F 0 "#PWR09" H 1000 7100 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "GND" H 1000 7030 30 0001 C C
1 1000 7100
1 0 0 -1
$EndComp
$Comp
L GND #PWR010
2008-07-09 20:47:12 +00:00
U 1 1 48048721
P 6450 5750
AR Path="/48048721" Ref="#PWR010"
F 0 "#PWR010" H 6450 5750 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "GND" H 6450 5680 30 0001 C C
1 6450 5750
1 0 0 -1
$EndComp
$Comp
L GND #PWR011
2008-07-09 20:47:12 +00:00
U 1 1 4804871F
P 6100 5750
AR Path="/4804871F" Ref="#PWR011"
F 0 "#PWR011" H 6100 5750 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "GND" H 6100 5680 30 0001 C C
1 6100 5750
1 0 0 -1
$EndComp
$Comp
L GND #PWR012
2008-07-09 20:47:12 +00:00
U 1 1 48048718
P 5750 5750
AR Path="/48048718" Ref="#PWR012"
F 0 "#PWR012" H 5750 5750 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "GND" H 5750 5680 30 0001 C C
1 5750 5750
1 0 0 -1
$EndComp
$Comp
L JUMPER JP6
U 1 1 480486D0
P 6450 5200
AR Path="/480486D0" Ref="JP6"
F 0 "JP6" H 6450 5350 60 0000 C C
F 1 "JUMPER" H 6450 5120 40 0000 C C
1 6450 5200
0 1 1 0
$EndComp
$Comp
L JUMPER JP5
U 1 1 480486CC
P 6100 5200
AR Path="/480486CC" Ref="JP5"
F 0 "JP5" H 6100 5350 60 0000 C C
F 1 "JUMPER" H 6100 5120 40 0000 C C
1 6100 5200
0 1 1 0
$EndComp
$Comp
L JUMPER JP4
U 1 1 480486B7
P 5750 5200
AR Path="/480486B7" Ref="JP4"
F 0 "JP4" H 5750 5350 60 0000 C C
F 1 "JUMPER" H 5750 5120 40 0000 C C
1 5750 5200
0 1 1 0
$EndComp
Text Notes 10600 2450 1 60 ~
Keyboard Rows
Text Notes 10600 4150 1 60 ~
Keyboard Columns
Text Notes 10600 4700 1 60 ~
LEDs
Text Notes 9500 5700 0 60 ~
ISP
Text Label 4900 2300 0 60 ~
MISO
Text Label 8900 6350 0 60 ~
MISO
Text Label 4900 2200 0 60 ~
SCK
Text Label 8900 6250 0 60 ~
SCK
Text Label 8900 5950 0 60 ~
MOSI
Text Label 4900 2400 0 60 ~
MOSI
Text Label 8900 6150 0 60 ~
Reset
Text Label 2000 1300 0 60 ~
Reset
Text Label 9450 2800 0 60 ~
R15
Text Label 9450 2700 0 60 ~
R14
Text Label 9450 2600 0 60 ~
R13
Text Label 9450 2500 0 60 ~
R12
Text Label 9450 2400 0 60 ~
R11
Text Label 9450 2300 0 60 ~
R10
Text Label 9450 2200 0 60 ~
R9
Text Label 9450 2100 0 60 ~
R8
Text Label 9450 2000 0 60 ~
R7
Text Label 9450 1900 0 60 ~
R6
Text Label 9450 1800 0 60 ~
R5
Text Label 9450 1700 0 60 ~
R4
Text Label 9450 1600 0 60 ~
R3
Text Label 9450 1500 0 60 ~
R2
Text Label 9450 1400 0 60 ~
R1
Text Label 9450 1300 0 60 ~
R0
Text Label 4600 3800 0 60 ~
R15
Text Label 4600 3700 0 60 ~
R14
Text Label 4600 3600 0 60 ~
R13
Text Label 4600 3500 0 60 ~
R12
Text Label 4600 3400 0 60 ~
R11
Text Label 4600 3300 0 60 ~
R10
Text Label 4600 3200 0 60 ~
R9
Text Label 4600 3100 0 60 ~
R8
Text Label 4600 1300 0 60 ~
R7
Text Label 4600 1400 0 60 ~
R6
Text Label 4600 1500 0 60 ~
R5
Text Label 4600 1600 0 60 ~
R4
Text Label 4600 1700 0 60 ~
R3
Text Label 4600 1800 0 60 ~
R2
Text Label 4600 1900 0 60 ~
R1
Text Label 4600 2000 0 60 ~
R0
Text Label 4600 2200 0 60 ~
C7
Text Label 4600 2300 0 60 ~
C6
Text Label 4600 2400 0 60 ~
C5
Text Label 4600 2500 0 60 ~
C4
Text Label 4600 2600 0 60 ~
C3
Text Label 4600 2700 0 60 ~
C2
Text Label 4600 2800 0 60 ~
C1
Text Label 4600 2900 0 60 ~
C0
Text Label 9450 3950 0 60 ~
C7
Text Label 9450 3850 0 60 ~
C6
Text Label 9450 3750 0 60 ~
C5
Text Label 9450 3650 0 60 ~
C4
Text Label 9450 3550 0 60 ~
C3
Text Label 9450 3450 0 60 ~
C2
Text Label 9450 3350 0 60 ~
C1
Text Label 9450 3250 0 60 ~
C0
Entry Wire Line
9150 1200 9250 1300
Entry Wire Line
9150 1300 9250 1400
Entry Wire Line
9150 1400 9250 1500
Entry Wire Line
9150 1500 9250 1600
Entry Wire Line
9150 1600 9250 1700
Entry Wire Line
9150 1700 9250 1800
Entry Wire Line
9150 1800 9250 1900
Entry Wire Line
9150 1900 9250 2000
Entry Wire Line
9150 2000 9250 2100
Entry Wire Line
9150 2100 9250 2200
Entry Wire Line
9150 2200 9250 2300
Entry Wire Line
9150 2300 9250 2400
Entry Wire Line
9150 2400 9250 2500
Entry Wire Line
9150 2500 9250 2600
Entry Wire Line
9150 2600 9250 2700
Entry Wire Line
9150 2700 9250 2800
Entry Wire Line
8750 3150 8850 3250
Entry Wire Line
8750 3250 8850 3350
Entry Wire Line
8750 3350 8850 3450
Entry Wire Line
8750 3450 8850 3550
Entry Wire Line
8750 3550 8850 3650
Entry Wire Line
8750 3650 8850 3750
Entry Wire Line
8750 3750 8850 3850
Entry Wire Line
8750 3850 8850 3950
Entry Wire Line
5700 2900 5800 2800
Entry Wire Line
5700 2800 5800 2700
Entry Wire Line
5700 2700 5800 2600
Entry Wire Line
5700 2600 5800 2500
Entry Wire Line
5700 2500 5800 2400
Entry Wire Line
5700 2400 5800 2300
Entry Wire Line
5700 2300 5800 2200
Entry Wire Line
5700 2200 5800 2100
Entry Wire Line
5350 3800 5450 3700
Entry Wire Line
5350 3700 5450 3600
Entry Wire Line
5350 3600 5450 3500
Entry Wire Line
5350 3500 5450 3400
Entry Wire Line
5350 3400 5450 3300
Entry Wire Line
5350 3300 5450 3200
Entry Wire Line
5350 3200 5450 3100
Entry Wire Line
5350 3100 5450 3000
Entry Wire Line
5350 2000 5450 1900
Entry Wire Line
5350 1900 5450 1800
Entry Wire Line
5350 1800 5450 1700
Entry Wire Line
5350 1700 5450 1600
Entry Wire Line
5350 1600 5450 1500
Entry Wire Line
5350 1500 5450 1400
Entry Wire Line
5350 1400 5450 1300
Entry Wire Line
5350 1300 5450 1200
$Comp
L GND #PWR013
2008-07-09 20:47:12 +00:00
U 1 1 4804562B
P 10150 6550
AR Path="/4804562B" Ref="#PWR013"
F 0 "#PWR013" H 10150 6550 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "GND" H 10150 6480 30 0001 C C
1 10150 6550
1 0 0 -1
$EndComp
$Comp
L VCC #PWR014
2008-07-09 20:47:12 +00:00
U 1 1 4804561C
P 10150 5800
AR Path="/4804561C" Ref="#PWR014"
F 0 "#PWR014" H 10150 5900 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "VCC" H 10150 5900 30 0000 C C
1 10150 5800
1 0 0 -1
$EndComp
NoConn ~ 9450 6050
NoConn ~ 3400 5000
NoConn ~ 2400 2500
NoConn ~ 3400 1000
$Comp
L VCC #PWR015
2008-07-09 20:47:12 +00:00
U 1 1 480450B7
P 4300 5850
AR Path="/480450B7" Ref="#PWR015"
F 0 "#PWR015" H 4300 5950 30 0001 C C
2008-07-09 20:47:12 +00:00
F 1 "VCC" H 4300 5950 30 0000 C C
1 4300 5850
1 0 0 -1
$EndComp
$Comp
L VCC #PWR016
U 1 1 48044F99
P 1150 1100
AR Path="/48044F99" Ref="#PWR016"
F 0 "#PWR016" H 1150 1200 30 0001 C C
F 1 "VCC" H 1150 1200 30 0000 C C
1 1150 1100
1 0 0 -1
$EndComp
$Comp
L GND #PWR017
U 1 1 48044DD0
P 800 7100
AR Path="/48044DD0" Ref="#PWR017"
F 0 "#PWR017" H 800 7100 30 0001 C C
F 1 "GND" H 800 7030 30 0001 C C
1 800 7100
1 0 0 -1
$EndComp
$Comp
L VCC #PWR018
U 1 1 48044DC6
P 800 6350
AR Path="/48044DC6" Ref="#PWR018"
F 0 "#PWR018" H 800 6450 30 0001 C C
F 1 "VCC" H 800 6450 30 0000 C C
1 800 6350
1 0 0 -1
$EndComp
$Comp
L VCC #PWR019
U 1 1 48044DB8
P 1550 3600
AR Path="/48044DB8" Ref="#PWR019"
F 0 "#PWR019" H 1550 3700 30 0001 C C
F 1 "VCC" H 1550 3700 30 0000 C C
1 1550 3600
1 0 0 -1
$EndComp
$Comp
L VCC #PWR020
U 1 1 48044DB5
P 1000 3600
AR Path="/48044DB5" Ref="#PWR020"
F 0 "#PWR020" H 1000 3700 30 0001 C C
F 1 "VCC" H 1000 3700 30 0000 C C
1 1000 3600
1 0 0 -1
$EndComp
$Comp
L VCC #PWR021
U 1 1 48044D21
P 3300 800
AR Path="/48044D21" Ref="#PWR021"
F 0 "#PWR021" H 3300 900 30 0001 C C
F 1 "VCC" H 3300 900 30 0000 C C
1 3300 800
1 0 0 -1
$EndComp
$Comp
L GND #PWR022
U 1 1 48044A9D
P 5000 7550
AR Path="/48044A9D" Ref="#PWR022"
F 0 "#PWR022" H 5000 7550 30 0001 C C
F 1 "GND" H 5000 7480 30 0001 C C
1 5000 7550
1 0 0 -1
$EndComp
$Comp
L GND #PWR023
U 1 1 48044A97
P 4650 7550
AR Path="/48044A97" Ref="#PWR023"
F 0 "#PWR023" H 4650 7550 30 0001 C C
F 1 "GND" H 4650 7480 30 0001 C C
1 4650 7550
1 0 0 -1
$EndComp
$Comp
L GND #PWR024
U 1 1 48044A95
P 4300 7550
AR Path="/48044A95" Ref="#PWR024"
F 0 "#PWR024" H 4300 7550 30 0001 C C
F 1 "GND" H 4300 7480 30 0001 C C
1 4300 7550
1 0 0 -1
$EndComp
$Comp
L GND #PWR025
U 1 1 48044A93
P 1550 4450
AR Path="/48044A93" Ref="#PWR025"
F 0 "#PWR025" H 1550 4450 30 0001 C C
F 1 "GND" H 1550 4380 30 0001 C C
1 1550 4450
1 0 0 -1
$EndComp
$Comp
L GND #PWR026
U 1 1 48044A8D
P 1000 4450
AR Path="/48044A8D" Ref="#PWR026"
F 0 "#PWR026" H 1000 4450 30 0001 C C
F 1 "GND" H 1000 4380 30 0001 C C
1 1000 4450
1 0 0 -1
$EndComp
$Comp
L GND #PWR027
U 1 1 48044A8A
P 3300 5150
AR Path="/48044A8A" Ref="#PWR027"
F 0 "#PWR027" H 3300 5150 30 0001 C C
F 1 "GND" H 3300 5080 30 0001 C C
1 3300 5150
1 0 0 -1
$EndComp
$Comp
L GND #PWR028
U 1 1 48044A88
P 850 1700
AR Path="/48044A88" Ref="#PWR028"
F 0 "#PWR028" H 850 1700 30 0001 C C
F 1 "GND" H 850 1630 30 0001 C C
1 850 1700
0 1 1 0
$EndComp
$Comp
L GND #PWR029
U 1 1 48044A82
P 850 2300
AR Path="/48044A82" Ref="#PWR029"
F 0 "#PWR029" H 850 2300 30 0001 C C
F 1 "GND" H 850 2230 30 0001 C C
1 850 2300
0 1 1 0
$EndComp
$Comp
L PINHD-2X5M JP7
U 1 1 48044A4D
P 9550 6150
AR Path="/48044A4D" Ref="JP7"
F 0 "JP7" H 9300 6475 50 0000 L B
F 1 "PINHD-2X5M" H 9300 5750 50 0000 L B
F 2 "pinhead-2X05M" H 9550 6300 50 0001 C C
1 9550 6150
1 0 0 -1
$EndComp
$Comp
L PINHD-1X4M JP3
U 1 1 48044A1E
P 10050 4600
AR Path="/48044A1E" Ref="JP3"
F 0 "JP3" H 9800 4925 50 0000 L B
F 1 "PINHD-1X4M" H 9800 4300 50 0000 L B
F 2 "pinhead-1X04M" H 10050 4750 50 0001 C C
1 10050 4600
1 0 0 -1
$EndComp
$Comp
L PINHD-1X8M JP2
U 1 1 48044A0E
P 10050 3650
AR Path="/48044A0E" Ref="JP2"
F 0 "JP2" H 9800 4175 50 0000 L B
F 1 "PINHD-1X8M" H 9800 3150 50 0000 L B
F 2 "pinhead-1X08M" H 10050 3800 50 0001 C C
1 10050 3650
1 0 0 -1
$EndComp
$Comp
L PINHD-1X16M JP1
U 1 1 48044A02
P 10050 2000
AR Path="/48044A02" Ref="JP1"
F 0 "JP1" H 10100 2050 50 0000 L B
F 1 "PINHD-1X16M" H 9800 1000 50 0000 L B
F 2 "pinhead-1X16M" H 10050 2150 50 0001 C C
1 10050 2000
1 0 0 -1
$EndComp
$Comp
L MEGA32-P IC1
U 1 1 480447FC
P 3400 3000
AR Path="/480447FC" Ref="IC1"
F 0 "IC1" H 3450 3050 50 0000 L B
F 1 "MEGA32-P" H 3600 1000 50 0000 L B
F 2 "atmel-DIL40" H 3400 3150 50 0001 C C
1 3400 3000
1 0 0 -1
$EndComp
$Comp
L ZENER D2
U 1 1 48044798
P 5000 7200
AR Path="/48044798" Ref="D2"
F 0 "D2" H 5000 7300 50 0000 C C
F 1 "3.6V" H 5000 7100 40 0000 C C
1 5000 7200
0 -1 -1 0
$EndComp
$Comp
L ZENER D1
U 1 1 48044791
P 4650 7200
AR Path="/48044791" Ref="D1"
F 0 "D1" H 4650 7300 50 0000 C C
F 1 "3.6V" H 4650 7100 40 0000 C C
1 4650 7200
0 -1 -1 0
$EndComp
$Comp
L CRYSTAL X1
U 1 1 4804477C
P 1900 2000
AR Path="/4804477C" Ref="X1"
F 0 "X1" H 1900 2150 60 0000 C C
F 1 "12MHz" H 1900 1850 60 0000 C C
1 1900 2000
0 1 1 0
$EndComp
$Comp
L CP C2
U 1 1 48044769
P 1550 4000
AR Path="/48044769" Ref="C2"
F 0 "C2" H 1600 4100 50 0000 L C
F 1 "10u" H 1600 3900 50 0000 L C
1 1550 4000
1 0 0 1
$EndComp
$Comp
L C C1
U 1 1 48044756
P 1000 4000
AR Path="/48044756" Ref="C1"
F 0 "C1" H 1050 4100 50 0000 L C
F 1 "100n" H 1050 3900 50 0000 L C
1 1000 4000
1 0 0 1
$EndComp
$Comp
L C C4
U 1 1 48044754
P 1350 2300
AR Path="/48044754" Ref="C4"
F 0 "C4" H 1400 2400 50 0000 L C
F 1 "22p" H 1400 2200 50 0000 L C
1 1350 2300
0 1 1 0
$EndComp
$Comp
L C C3
U 1 1 48044750
P 1350 1700
AR Path="/48044750" Ref="C3"
F 0 "C3" H 1400 1800 50 0000 L C
F 1 "22p" H 1400 1600 50 0000 L C
1 1350 1700
0 1 1 0
$EndComp
$Comp
L R R8
U 1 1 48044743
P 5450 6150
AR Path="/48044743" Ref="R8"
F 0 "R8" V 5530 6150 50 0000 C C
F 1 "68" V 5450 6150 50 0000 C C
1 5450 6150
-1 0 0 1
$EndComp
$Comp
L R R7
U 1 1 48044741
P 5250 6150
AR Path="/48044741" Ref="R7"
F 0 "R7" V 5330 6150 50 0000 C C
F 1 "68" V 5250 6150 50 0000 C C
1 5250 6150
-1 0 0 1
$EndComp
$Comp
L R R1
U 1 1 4804473F
P 1650 1300
AR Path="/4804473F" Ref="R1"
F 0 "R1" V 1730 1300 50 0000 C C
F 1 "10k" V 1650 1300 50 0000 C C
1 1650 1300
0 1 1 0
$EndComp
$Comp
L R R2
U 1 1 4804473B
P 4300 6200
AR Path="/4804473B" Ref="R2"
F 0 "R2" V 4380 6200 50 0000 C C
F 1 "2k2" V 4300 6200 50 0000 C C
1 4300 6200
1 0 0 -1
$EndComp
$Comp
L R R6
U 1 1 48044739
P 4300 7150
AR Path="/48044739" Ref="R6"
F 0 "R6" V 4380 7150 50 0000 C C
F 1 "4k7" V 4300 7150 50 0000 C C
1 4300 7150
1 0 0 -1
$EndComp
$Comp
L R R3
U 1 1 48044733
P 8800 4400
AR Path="/48044733" Ref="R3"
F 0 "R3" V 8880 4400 50 0000 C C
F 1 "470" V 8800 4400 50 0000 C C
1 8800 4400
0 1 1 0
$EndComp
$Comp
L R R4
U 1 1 48044731
P 8800 4600
AR Path="/48044731" Ref="R4"
F 0 "R4" V 8880 4600 50 0000 C C
F 1 "470" V 8800 4600 50 0000 C C
1 8800 4600
0 1 1 0
$EndComp
$Comp
L R R5
U 1 1 4804472B
P 8800 4800
AR Path="/4804472B" Ref="R5"
F 0 "R5" V 8880 4800 50 0000 C C
F 1 "470" V 8800 4800 50 0000 C C
1 8800 4800
0 1 1 0
$EndComp
$Comp
L USB J1
U 1 1 480446AA
P 1400 6400
AR Path="/480446AA" Ref="J1"
F 0 "J1" H 1350 6800 60 0000 C C
F 1 "USB" V 1150 6550 60 0000 C C
1 1400 6400
1 0 0 -1
$EndComp
$EndSCHEMATC