EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:74xgxx
LIBS:ac-dc
LIBS:actel
LIBS:Altera
LIBS:analog_devices
LIBS:brooktre
LIBS:cmos_ieee
LIBS:dc-dc
LIBS:diode
LIBS:elec-unifil
LIBS:ESD_Protection
LIBS:ftdi
LIBS:gennum
LIBS:graphic
LIBS:hc11
LIBS:ir
LIBS:Lattice
LIBS:logo
LIBS:maxim
LIBS:microchip_dspic33dsc
LIBS:microchip_pic10mcu
LIBS:microchip_pic12mcu
LIBS:microchip_pic16mcu
LIBS:microchip_pic18mcu
LIBS:microchip_pic32mcu
LIBS:motor_drivers
LIBS:msp430
LIBS:nordicsemi
LIBS:nxp_armmcu
LIBS:onsemi
LIBS:Oscillators
LIBS:Power_Management
LIBS:powerint
LIBS:pspice
LIBS:references
LIBS:relays
LIBS:rfcom
LIBS:sensors
LIBS:silabs
LIBS:stm8
LIBS:stm32
LIBS:supertex
LIBS:switches
LIBS:transf
LIBS:ttl_ieee
LIBS:video
LIBS:Xicor
LIBS:Zilog
LIBS:components
LIBS:KT1-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L SW_PUSH SW1
U 1 1 57039F51
P 8450 1500
F 0 "SW1" H 8600 1610 50  0000 C CNN
F 1 "SW_R1C1" H 8450 1420 50  0000 C CNN
F 2 "Keyboard:CHERRY_PCB_100H" H 8450 1500 50  0001 C CNN
F 3 "" H 8450 1500 50  0000 C CNN
	1    8450 1500
	1    0    0    -1  
$EndComp
$Comp
L D D1
U 1 1 57039FAC
P 8450 1800
F 0 "D1" H 8450 1900 50  0000 C CNN
F 1 "D" H 8450 1700 50  0000 C CNN
F 2 "Diodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10" H 8450 1800 50  0001 C CNN
F 3 "" H 8450 1800 50  0000 C CNN
	1    8450 1800
	1    0    0    -1  
$EndComp
$Comp
L SW_PUSH SW4
U 1 1 5703A08B
P 9350 1500
F 0 "SW4" H 9500 1610 50  0000 C CNN
F 1 "SW_R1C2" H 9350 1420 50  0000 C CNN
F 2 "Keyboard:CHERRY_PCB_100H" H 9350 1500 50  0001 C CNN
F 3 "" H 9350 1500 50  0000 C CNN
	1    9350 1500
	1    0    0    -1  
$EndComp
$Comp
L D D4
U 1 1 5703A091
P 9350 1800
F 0 "D4" H 9350 1900 50  0000 C CNN
F 1 "D" H 9350 1700 50  0000 C CNN
F 2 "Diodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10" H 9350 1800 50  0001 C CNN
F 3 "" H 9350 1800 50  0000 C CNN
	1    9350 1800
	1    0    0    -1  
$EndComp
$Comp
L SW_PUSH SW7
U 1 1 5703A1E5
P 10250 1500
F 0 "SW7" H 10400 1610 50  0000 C CNN
F 1 "SW_R1C3" H 10250 1420 50  0000 C CNN
F 2 "Keyboard:CHERRY_PCB_100H" H 10250 1500 50  0001 C CNN
F 3 "" H 10250 1500 50  0000 C CNN
	1    10250 1500
	1    0    0    -1  
$EndComp
$Comp
L D D7
U 1 1 5703A1EB
P 10250 1800
F 0 "D7" H 10250 1900 50  0000 C CNN
F 1 "D" H 10250 1700 50  0000 C CNN
F 2 "Diodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10" H 10250 1800 50  0001 C CNN
F 3 "" H 10250 1800 50  0000 C CNN
	1    10250 1800
	1    0    0    -1  
$EndComp
$Comp
L SW_PUSH SW2
U 1 1 5703A303
P 8450 2300
F 0 "SW2" H 8600 2410 50  0000 C CNN
F 1 "SW_R2C1" H 8450 2220 50  0000 C CNN
F 2 "Keyboard:CHERRY_PCB_100H" H 8450 2300 50  0001 C CNN
F 3 "" H 8450 2300 50  0000 C CNN
	1    8450 2300
	1    0    0    -1  
$EndComp
$Comp
L D D2
U 1 1 5703A309
P 8450 2600
F 0 "D2" H 8450 2700 50  0000 C CNN
F 1 "D" H 8450 2500 50  0000 C CNN
F 2 "Diodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10" H 8450 2600 50  0001 C CNN
F 3 "" H 8450 2600 50  0000 C CNN
	1    8450 2600
	1    0    0    -1  
$EndComp
$Comp
L SW_PUSH SW5
U 1 1 5703A313
P 9350 2300
F 0 "SW5" H 9500 2410 50  0000 C CNN
F 1 "SW_R2C2" H 9350 2220 50  0000 C CNN
F 2 "Keyboard:CHERRY_PCB_100H" H 9350 2300 50  0001 C CNN
F 3 "" H 9350 2300 50  0000 C CNN
	1    9350 2300
	1    0    0    -1  
$EndComp
$Comp
L D D5
U 1 1 5703A319
P 9350 2600
F 0 "D5" H 9350 2700 50  0000 C CNN
F 1 "D" H 9350 2500 50  0000 C CNN
F 2 "Diodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10" H 9350 2600 50  0001 C CNN
F 3 "" H 9350 2600 50  0000 C CNN
	1    9350 2600
	1    0    0    -1  
$EndComp
$Comp
L SW_PUSH SW8
U 1 1 5703A323
P 10250 2300
F 0 "SW8" H 10400 2410 50  0000 C CNN
F 1 "SW_R2C3" H 10250 2220 50  0000 C CNN
F 2 "Keyboard:CHERRY_PCB_100H" H 10250 2300 50  0001 C CNN
F 3 "" H 10250 2300 50  0000 C CNN
	1    10250 2300
	1    0    0    -1  
$EndComp
$Comp
L D D8
U 1 1 5703A329
P 10250 2600
F 0 "D8" H 10250 2700 50  0000 C CNN
F 1 "D" H 10250 2500 50  0000 C CNN
F 2 "Diodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10" H 10250 2600 50  0001 C CNN
F 3 "" H 10250 2600 50  0000 C CNN
	1    10250 2600
	1    0    0    -1  
$EndComp
$Comp
L SW_PUSH SW3
U 1 1 5703A5A9
P 8450 3100
F 0 "SW3" H 8600 3210 50  0000 C CNN
F 1 "SW_R3C1" H 8450 3020 50  0000 C CNN
F 2 "Keyboard:CHERRY_PCB_100H" H 8450 3100 50  0001 C CNN
F 3 "" H 8450 3100 50  0000 C CNN
	1    8450 3100
	1    0    0    -1  
$EndComp
$Comp
L D D3
U 1 1 5703A5AF
P 8450 3400
F 0 "D3" H 8450 3500 50  0000 C CNN
F 1 "D" H 8450 3300 50  0000 C CNN
F 2 "Diodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10" H 8450 3400 50  0001 C CNN
F 3 "" H 8450 3400 50  0000 C CNN
	1    8450 3400
	1    0    0    -1  
$EndComp
$Comp
L SW_PUSH SW6
U 1 1 5703A5B9
P 9350 3100
F 0 "SW6" H 9500 3210 50  0000 C CNN
F 1 "SW_R3C2" H 9350 3020 50  0000 C CNN
F 2 "Keyboard:CHERRY_PCB_100H" H 9350 3100 50  0001 C CNN
F 3 "" H 9350 3100 50  0000 C CNN
	1    9350 3100
	1    0    0    -1  
$EndComp
$Comp
L D D6
U 1 1 5703A5BF
P 9350 3400
F 0 "D6" H 9350 3500 50  0000 C CNN
F 1 "D" H 9350 3300 50  0000 C CNN
F 2 "Diodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10" H 9350 3400 50  0001 C CNN
F 3 "" H 9350 3400 50  0000 C CNN
	1    9350 3400
	1    0    0    -1  
$EndComp
$Comp
L SW_PUSH SW9
U 1 1 5703A5C9
P 10250 3100
F 0 "SW9" H 10400 3210 50  0000 C CNN
F 1 "SW_R3C3" H 10250 3020 50  0000 C CNN
F 2 "Keyboard:CHERRY_PCB_100H" H 10250 3100 50  0001 C CNN
F 3 "" H 10250 3100 50  0000 C CNN
	1    10250 3100
	1    0    0    -1  
$EndComp
$Comp
L D D9
U 1 1 5703A5CF
P 10250 3400
F 0 "D9" H 10250 3500 50  0000 C CNN
F 1 "D" H 10250 3300 50  0000 C CNN
F 2 "Diodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10" H 10250 3400 50  0001 C CNN
F 3 "" H 10250 3400 50  0000 C CNN
	1    10250 3400
	1    0    0    -1  
$EndComp
Text Label 7750 1300 0    60   ~ 0
ROW1
Text Label 7750 2100 0    60   ~ 0
ROW2
Text Label 7750 2900 0    60   ~ 0
ROW3
Text Label 8050 3550 2    60   ~ 0
COL1
Text Label 8950 3550 2    60   ~ 0
COL2
Text Label 9850 3550 2    60   ~ 0
COL3
$Comp
L ATmega32U4 U1
U 1 1 5704A83B
P 3750 3300
F 0 "U1" H 2850 5000 50  0000 C CNN
F 1 "ATmega32U4" H 3100 1750 50  0000 C CNN
F 2 "Housings_QFP:TQFP-44_10x10mm_Pitch0.8mm" H 4950 4400 50  0001 C CNN
F 3 "" H 4950 4400 50  0000 C CNN
	1    3750 3300
	1    0    0    -1  
$EndComp
$Comp
L USB_OTG P1
U 1 1 5704B50F
P 1100 2050
F 0 "P1" H 1425 1925 50  0000 C CNN
F 1 "USB_OTG" H 1100 2250 50  0000 C CNN
F 2 "Connect:USB_Mini-B" V 1050 1950 50  0001 C CNN
F 3 "" V 1050 1950 50  0000 C CNN
	1    1100 2050
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 5704BB7F
P 2200 2550
F 0 "R2" V 2280 2550 50  0000 C CNN
F 1 "22" V 2200 2550 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 2130 2550 50  0001 C CNN
F 3 "" H 2200 2550 50  0000 C CNN
	1    2200 2550
	0    1    1    0   
$EndComp
$Comp
L R R1
U 1 1 5704C2B3
P 1850 2650
F 0 "R1" V 1930 2650 50  0000 C CNN
F 1 "22" V 1850 2650 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 1780 2650 50  0001 C CNN
F 3 "" H 1850 2650 50  0000 C CNN
	1    1850 2650
	0    1    1    0   
$EndComp
$Comp
L GND #PWR01
U 1 1 5704CD1C
P 2300 4750
F 0 "#PWR01" H 2300 4500 50  0001 C CNN
F 1 "GND" H 2300 4600 50  0000 C CNN
F 2 "" H 2300 4750 50  0000 C CNN
F 3 "" H 2300 4750 50  0000 C CNN
	1    2300 4750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR02
U 1 1 5704DB29
P 1450 2350
F 0 "#PWR02" H 1450 2100 50  0001 C CNN
F 1 "GND" H 1450 2200 50  0000 C CNN
F 2 "" H 1450 2350 50  0000 C CNN
F 3 "" H 1450 2350 50  0000 C CNN
	1    1450 2350
	0    -1   -1   0   
$EndComp
$Comp
L C C1
U 1 1 5704DC79
P 1250 4550
F 0 "C1" H 1275 4650 50  0000 L CNN
F 1 "10pF" H 1275 4450 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 1288 4400 50  0001 C CNN
F 3 "" H 1250 4550 50  0000 C CNN
	1    1250 4550
	1    0    0    -1  
$EndComp
$Comp
L C C2
U 1 1 5704DD33
P 1700 4550
F 0 "C2" H 1725 4650 50  0000 L CNN
F 1 "10pF" H 1725 4450 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 1738 4400 50  0001 C CNN
F 3 "" H 1700 4550 50  0000 C CNN
	1    1700 4550
	1    0    0    -1  
$EndComp
$Comp
L Crystal Y1
U 1 1 5704DD87
P 1500 4150
F 0 "Y1" H 1500 4300 50  0000 C CNN
F 1 "16MHz" H 1500 4000 50  0000 C CNN
F 2 "Keyboards:HC49SM" H 1500 4150 50  0001 C CNN
F 3 "" H 1500 4150 50  0000 C CNN
	1    1500 4150
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR03
U 1 1 5704E109
P 1700 4700
F 0 "#PWR03" H 1700 4450 50  0001 C CNN
F 1 "GND" H 1700 4550 50  0000 C CNN
F 2 "" H 1700 4700 50  0000 C CNN
F 3 "" H 1700 4700 50  0000 C CNN
	1    1700 4700
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR04
U 1 1 5704E15F
P 1250 4700
F 0 "#PWR04" H 1250 4450 50  0001 C CNN
F 1 "GND" H 1250 4550 50  0000 C CNN
F 2 "" H 1250 4700 50  0000 C CNN
F 3 "" H 1250 4700 50  0000 C CNN
	1    1250 4700
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR05
U 1 1 570515E7
P 2250 2950
F 0 "#PWR05" H 2250 2700 50  0001 C CNN
F 1 "GND" H 2250 2800 50  0000 C CNN
F 2 "" H 2250 2950 50  0000 C CNN
F 3 "" H 2250 2950 50  0000 C CNN
	1    2250 2950
	1    0    0    -1  
$EndComp
$Comp
L SW_PUSH SW10
U 1 1 570516A9
P 1650 3150
F 0 "SW10" H 1800 3260 50  0000 C CNN
F 1 "SW_RESET" H 1650 3070 50  0000 C CNN
F 2 "Buttons_Switches_SMD:SW_SPST_FSMSM" H 1650 3150 50  0001 C CNN
F 3 "" H 1650 3150 50  0000 C CNN
	1    1650 3150
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR06
U 1 1 5705186B
P 1350 3150
F 0 "#PWR06" H 1350 2900 50  0001 C CNN
F 1 "GND" H 1350 3000 50  0000 C CNN
F 2 "" H 1350 3150 50  0000 C CNN
F 3 "" H 1350 3150 50  0000 C CNN
	1    1350 3150
	1    0    0    -1  
$EndComp
$Comp
L C C3
U 1 1 5705924F
P 2350 2750
F 0 "C3" H 2375 2850 50  0000 L CNN
F 1 "1uF" H 2375 2650 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2388 2600 50  0001 C CNN
F 3 "" H 2350 2750 50  0000 C CNN
	1    2350 2750
	0    1    1    0   
$EndComp
$Comp
L GND #PWR07
U 1 1 5705A137
P 5250 3850
F 0 "#PWR07" H 5250 3600 50  0001 C CNN
F 1 "GND" H 5250 3700 50  0000 C CNN
F 2 "" H 5250 3850 50  0000 C CNN
F 3 "" H 5250 3850 50  0000 C CNN
	1    5250 3850
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8750 1500 8750 1800
Wire Wire Line
	8750 1800 8600 1800
Wire Wire Line
	8050 1800 8300 1800
Wire Wire Line
	8150 1500 8150 1300
Wire Wire Line
	9650 1500 9650 1800
Wire Wire Line
	9650 1800 9500 1800
Wire Wire Line
	8950 1800 9200 1800
Wire Wire Line
	9050 1300 9050 1500
Wire Wire Line
	10550 1500 10550 1800
Wire Wire Line
	10550 1800 10400 1800
Wire Wire Line
	9850 1800 10100 1800
Wire Wire Line
	9950 1300 9950 1500
Wire Wire Line
	8750 2300 8750 2600
Wire Wire Line
	8750 2600 8600 2600
Wire Wire Line
	8050 2600 8300 2600
Wire Wire Line
	8150 2300 8150 2100
Wire Wire Line
	9650 2300 9650 2600
Wire Wire Line
	9650 2600 9500 2600
Wire Wire Line
	8950 2600 9200 2600
Wire Wire Line
	9050 2100 9050 2300
Wire Wire Line
	10550 2300 10550 2600
Wire Wire Line
	10550 2600 10400 2600
Wire Wire Line
	9850 2600 10100 2600
Wire Wire Line
	9950 2100 9950 2300
Wire Wire Line
	8750 3100 8750 3400
Wire Wire Line
	8750 3400 8600 3400
Wire Wire Line
	8050 3400 8300 3400
Wire Wire Line
	8150 3100 8150 2900
Wire Wire Line
	9650 3100 9650 3400
Wire Wire Line
	9650 3400 9500 3400
Wire Wire Line
	8950 3400 9200 3400
Wire Wire Line
	9050 2900 9050 3100
Wire Wire Line
	10550 3100 10550 3400
Wire Wire Line
	10550 3400 10400 3400
Wire Wire Line
	9850 3400 10100 3400
Wire Wire Line
	9950 2900 9950 3100
Wire Wire Line
	7100 2100 9950 2100
Connection ~ 9050 2100
Wire Wire Line
	7200 2900 9950 2900
Connection ~ 9050 2900
Wire Wire Line
	7000 1300 9950 1300
Connection ~ 9050 1300
Wire Wire Line
	9850 1800 9850 4650
Connection ~ 9850 2600
Wire Wire Line
	8950 1800 8950 4550
Connection ~ 8950 2600
Wire Wire Line
	8050 1800 8050 4450
Connection ~ 8050 2600
Connection ~ 8150 2900
Connection ~ 8050 3400
Connection ~ 8950 3400
Connection ~ 9850 3400
Connection ~ 8150 2100
Connection ~ 8150 1300
Wire Wire Line
	2500 2650 2000 2650
Wire Wire Line
	2500 2550 2350 2550
Wire Wire Line
	1700 2650 1000 2650
Wire Wire Line
	1000 2650 1000 2350
Wire Wire Line
	2050 2550 1100 2550
Wire Wire Line
	1100 2550 1100 2350
Wire Wire Line
	2300 4650 2500 4650
Wire Wire Line
	2300 4350 2300 4750
Wire Wire Line
	2500 4550 2300 4550
Connection ~ 2300 4650
Wire Wire Line
	2500 4450 2300 4450
Connection ~ 2300 4550
Wire Wire Line
	2500 4350 2300 4350
Connection ~ 2300 4450
Wire Wire Line
	1300 2350 1450 2350
Wire Wire Line
	2500 3750 1250 3750
Wire Wire Line
	1250 3750 1250 4400
Wire Wire Line
	2500 3850 1700 3850
Wire Wire Line
	1700 3850 1700 4400
Wire Wire Line
	1650 4150 1700 4150
Connection ~ 1700 4150
Wire Wire Line
	1350 4150 1250 4150
Connection ~ 1250 4150
Wire Wire Line
	900  2350 700  2350
Wire Wire Line
	700  2350 700  1750
Wire Wire Line
	2200 2850 2500 2850
Wire Wire Line
	2250 2850 2250 2950
Wire Wire Line
	2500 3150 1950 3150
Wire Wire Line
	7100 2100 7100 4250
Wire Wire Line
	7100 4250 4950 4250
Wire Wire Line
	7200 2900 7200 4350
Wire Wire Line
	7200 4350 4950 4350
Wire Wire Line
	7000 1300 7000 4150
Wire Wire Line
	7000 4150 4950 4150
Wire Wire Line
	9850 4650 4950 4650
Wire Wire Line
	8950 4550 4950 4550
Wire Wire Line
	8050 4450 4950 4450
Wire Wire Line
	2200 2750 2200 2850
Connection ~ 2250 2850
Wire Wire Line
	4950 3850 5250 3850
$Comp
L ISP U2
U 1 1 5705CF24
P 3850 1050
F 0 "U2" H 3850 1000 60  0000 C CNN
F 1 "ISP" H 3850 1100 60  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_2x03" H 3850 1050 60  0001 C CNN
F 3 "" H 3850 1050 60  0000 C CNN
	1    3850 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	4950 2050 5200 2050
Wire Wire Line
	5200 2050 5200 1300
Wire Wire Line
	5200 1300 3050 1300
Wire Wire Line
	3050 1300 3050 950 
Wire Wire Line
	3050 950  3300 950 
Wire Wire Line
	4950 1850 5000 1850
Wire Wire Line
	5000 1850 5000 1400
Wire Wire Line
	5000 1400 3200 1400
Wire Wire Line
	3200 1400 3200 1050
Wire Wire Line
	3200 1050 3300 1050
Wire Wire Line
	4950 1950 5100 1950
Wire Wire Line
	5100 1950 5100 1050
Wire Wire Line
	5100 1050 4400 1050
Wire Wire Line
	2400 3150 2400 3550
Wire Wire Line
	2400 3550 600  3550
Wire Wire Line
	600  3550 600  1150
Connection ~ 2400 3150
Wire Wire Line
	600  1150 3300 1150
$Comp
L GND #PWR08
U 1 1 5705E23A
P 4500 1150
F 0 "#PWR08" H 4500 900 50  0001 C CNN
F 1 "GND" H 4500 1000 50  0000 C CNN
F 2 "" H 4500 1150 50  0000 C CNN
F 3 "" H 4500 1150 50  0000 C CNN
	1    4500 1150
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4500 1150 4400 1150
Text Label 700  1750 0    60   ~ 0
VCC
Text Label 2500 1750 0    60   ~ 0
VCC
Text Label 2500 1850 0    60   ~ 0
VCC
Text Label 2500 1950 0    60   ~ 0
VCC
Text Label 2500 2050 0    60   ~ 0
VCC
Text Label 2500 2150 0    60   ~ 0
VCC
Text Label 2500 2250 0    60   ~ 0
VCC
Text Label 4400 950  0    60   ~ 0
VCC
$EndSCHEMATC