clock_divider.sch

EESchema Schematic File Version 4
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L power:GND #PWR07
U 1 1 5B7DBF6A
P 7600 2800
F 0 "#PWR07" H 7600 2550 50  0001 C CNN
F 1 "GND" H 7600 2650 50  0000 C CNN
F 2 "" H 7600 2800 50  0000 C CNN
F 3 "" H 7600 2800 50  0000 C CNN
	1    7600 2800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 5B7DCA73
P 3350 5050
F 0 "#PWR02" H 3350 4800 50  0001 C CNN
F 1 "GND" H 3350 4900 50  0000 C CNN
F 2 "" H 3350 5050 50  0000 C CNN
F 3 "" H 3350 5050 50  0000 C CNN
	1    3350 5050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR06
U 1 1 5B7DDCDF
P 7400 4650
F 0 "#PWR06" H 7400 4400 50  0001 C CNN
F 1 "GND" H 7400 4500 50  0000 C CNN
F 2 "" H 7400 4650 50  0000 C CNN
F 3 "" H 7400 4650 50  0000 C CNN
	1    7400 4650
	1    0    0    -1  
$EndComp
Text Label 4450 1750 0    60   ~ 0
VCC
Text Label 7400 3650 0    60   ~ 0
VCC
$Comp
L power:GND #PWR05
U 1 1 5B7E0462
P 6600 5400
F 0 "#PWR05" H 6600 5150 50  0001 C CNN
F 1 "GND" H 6600 5250 50  0000 C CNN
F 2 "" H 6600 5400 50  0000 C CNN
F 3 "" H 6600 5400 50  0000 C CNN
	1    6600 5400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR03
U 1 1 5B7E41DC
P 5450 3650
F 0 "#PWR03" H 5450 3400 50  0001 C CNN
F 1 "GND" H 5450 3500 50  0000 C CNN
F 2 "" H 5450 3650 50  0000 C CNN
F 3 "" H 5450 3650 50  0000 C CNN
	1    5450 3650
	1    0    0    -1  
$EndComp
Text Label 4500 650  0    60   ~ 0
LED1
Text Label 4700 650  0    60   ~ 0
CLK1
Text Label 5100 650  0    60   ~ 0
LED2
Text Label 5300 650  0    60   ~ 0
CLK2
Text Label 5650 650  0    60   ~ 0
LED3
Text Label 5850 650  0    60   ~ 0
CLK3
Text Label 6200 650  0    60   ~ 0
LED4
Text Label 6400 650  0    60   ~ 0
CLK4
Text Label 6750 650  0    60   ~ 0
LED5
Text Label 6950 650  0    60   ~ 0
CLK5
Text Label 7300 650  0    60   ~ 0
LED6
Text Label 7500 650  0    60   ~ 0
CLK6
Text Label 7850 650  0    60   ~ 0
LED7
Text Label 8050 650  0    60   ~ 0
CLK7
Text Label 8400 650  0    60   ~ 0
LED8
Text Label 8600 650  0    60   ~ 0
CLK8
Text Label 5050 3900 0    60   ~ 0
PD0
Text Label 5050 4000 0    60   ~ 0
PD1
Text Label 7850 1300 0    60   ~ 0
PD0
Text Label 8400 1300 0    60   ~ 0
PD1
NoConn ~ 800  1800
NoConn ~ 800  1700
NoConn ~ 800  1500
NoConn ~ 800  1400
$Comp
L power:GND #PWR01
U 1 1 5B7F92C0
P 950 1700
F 0 "#PWR01" H 950 1450 50  0001 C CNN
F 1 "GND" H 950 1550 50  0000 C CNN
F 2 "" H 950 1700 50  0000 C CNN
F 3 "" H 950 1700 50  0000 C CNN
	1    950  1700
	1    0    0    -1  
$EndComp
Text Label 7500 5500 0    60   ~ 0
MASTER_CLK_IN
Text Label 6450 4350 0    60   ~ 0
RESET_IN
Text Label 6500 3100 0    60   ~ 0
ROTATE_IN
Text Label 1500 4350 0    60   ~ 0
LED8
Text Label 1500 4550 0    60   ~ 0
LED7
Text Label 1500 4750 0    60   ~ 0
LED6
Text Label 1500 4950 0    60   ~ 0
LED5
Text Label 1500 5300 0    60   ~ 0
LED4
Text Label 1500 5500 0    60   ~ 0
LED3
Text Label 1500 5700 0    60   ~ 0
LED2
Text Label 1500 5900 0    60   ~ 0
LED1
Entry Wire Line
	5250 2700 5350 2800
Entry Wire Line
	5250 2600 5350 2700
Entry Wire Line
	5250 2500 5350 2600
Entry Wire Line
	5250 2400 5350 2500
Entry Wire Line
	5250 2300 5350 2400
Entry Wire Line
	5250 2200 5350 2300
Entry Wire Line
	6750 1500 6850 1600
Entry Wire Line
	6200 1500 6300 1600
Entry Wire Line
	5650 1500 5750 1600
Entry Wire Line
	5100 1500 5200 1600
Entry Wire Line
	4700 1500 4800 1600
Entry Wire Line
	7300 1500 7400 1600
Text Label 5050 2200 0    60   ~ 0
PB0
Text Label 5050 2300 0    60   ~ 0
PB1
Text Label 5050 2400 0    60   ~ 0
PB2
Text Label 5050 2500 0    60   ~ 0
PB3
Text Label 5050 2600 0    60   ~ 0
PB4
Text Label 5050 2700 0    60   ~ 0
PB5
Text Label 4700 1300 0    60   ~ 0
PB0
Text Label 5100 1300 0    60   ~ 0
PB1
Text Label 5650 1300 0    60   ~ 0
PB2
Text Label 6200 1300 0    60   ~ 0
PB3
Text Label 6750 1300 0    60   ~ 0
PB4
Text Label 7300 1300 0    60   ~ 0
PB5
Wire Wire Line
	6950 2600 6950 2750
Wire Wire Line
	6000 2750 6950 2750
Connection ~ 6950 2750
Wire Wire Line
	5900 2150 6950 2150
Wire Wire Line
	6950 2150 6950 2300
Connection ~ 6950 2150
Wire Wire Line
	7300 2150 7600 2150
Wire Wire Line
	7600 2150 7600 2750
Wire Wire Line
	7300 2750 7600 2750
Connection ~ 7600 2750
Wire Wire Line
	3350 3600 3350 3650
Wire Wire Line
	2900 2750 2900 2650
Wire Wire Line
	2500 3650 3350 3650
Connection ~ 3350 3650
Connection ~ 3350 4950
Wire Wire Line
	7400 4650 7400 4550
Wire Wire Line
	7100 4350 7000 4350
Wire Wire Line
	7400 4100 7400 4150
Wire Wire Line
	7400 3800 7400 3650
Wire Wire Line
	6600 4350 6450 4350
Wire Wire Line
	6600 5250 6600 5350
Wire Wire Line
	6900 5250 6900 5350
Wire Wire Line
	6900 5350 6600 5350
Connection ~ 6600 5350
Wire Wire Line
	7200 4850 7200 5050
Wire Wire Line
	6900 4950 6900 4850
Connection ~ 6900 4850
Wire Wire Line
	7200 5350 7200 5500
Wire Wire Line
	7200 5500 7500 5500
Wire Wire Line
	5450 3500 5450 3600
Wire Wire Line
	5750 3500 5750 3600
Wire Wire Line
	5750 3600 5450 3600
Connection ~ 5450 3600
Wire Wire Line
	5750 3200 5750 3100
Connection ~ 5750 3100
Wire Wire Line
	6350 3100 6500 3100
Wire Wire Line
	4500 800  4500 650 
Wire Wire Line
	4700 800  4700 650 
Wire Wire Line
	5100 800  5100 650 
Wire Wire Line
	5300 800  5300 650 
Wire Wire Line
	5650 800  5650 650 
Wire Wire Line
	5850 800  5850 650 
Wire Wire Line
	6200 800  6200 650 
Wire Wire Line
	6400 800  6400 650 
Wire Wire Line
	6750 800  6750 650 
Wire Wire Line
	6950 800  6950 650 
Wire Wire Line
	7300 800  7300 650 
Wire Wire Line
	7500 800  7500 650 
Wire Wire Line
	7850 800  7850 650 
Wire Wire Line
	8050 800  8050 650 
Wire Wire Line
	8400 800  8400 650 
Wire Wire Line
	8600 800  8600 650 
Wire Wire Line
	4500 1100 4500 1150
Wire Wire Line
	4500 1150 4700 1150
Connection ~ 4700 1150
Wire Wire Line
	5300 1100 5300 1150
Wire Wire Line
	5300 1150 5100 1150
Connection ~ 5100 1150
Wire Wire Line
	5850 1150 5850 1100
Wire Wire Line
	5650 1100 5650 1150
Connection ~ 5650 1150
Wire Wire Line
	6200 1100 6200 1150
Wire Wire Line
	6750 1100 6750 1150
Wire Wire Line
	6950 1150 6950 1100
Wire Wire Line
	7300 1150 7500 1150
Wire Wire Line
	7500 1150 7500 1100
Connection ~ 7300 1150
Wire Wire Line
	7850 1150 8050 1150
Wire Wire Line
	8050 1150 8050 1100
Wire Wire Line
	8400 1150 8600 1150
Wire Wire Line
	8600 1150 8600 1100
Connection ~ 7850 1150
Connection ~ 8400 1150
Wire Wire Line
	800  1300 1300 1300
Wire Wire Line
	800  1600 950  1600
Wire Wire Line
	950  1600 950  1700
Connection ~ 3350 3850
Wire Wire Line
	5050 2200 5250 2200
Wire Wire Line
	5050 2300 5250 2300
Wire Wire Line
	5050 2400 5250 2400
Wire Wire Line
	5050 2500 5250 2500
Wire Wire Line
	5050 2600 5250 2600
Wire Wire Line
	5050 2700 5250 2700
Wire Wire Line
	4700 1100 4700 1150
Wire Wire Line
	5100 1100 5100 1150
Wire Wire Line
	7300 1100 7300 1150
Wire Wire Line
	5850 1150 5650 1150
Wire Wire Line
	5900 2150 5900 2850
Wire Wire Line
	6950 1150 6750 1150
Connection ~ 6750 1150
Wire Wire Line
	6400 1100 6400 1150
Wire Wire Line
	6400 1150 6200 1150
Connection ~ 6200 1150
Wire Wire Line
	7850 1100 7850 1150
Wire Wire Line
	8400 1100 8400 1150
NoConn ~ 5050 3300
NoConn ~ 5050 3400
NoConn ~ 5050 3500
NoConn ~ 5050 3600
$Comp
L power:PWR_FLAG #FLG02
U 1 1 5B840290
P 2800 4700
F 0 "#FLG02" H 2800 4795 50  0001 C CNN
F 1 "PWR_FLAG" H 2800 4880 50  0000 C CNN
F 2 "" H 2800 4700 50  0000 C CNN
F 3 "" H 2800 4700 50  0000 C CNN
	1    2800 4700
	-1   0    0    1   
$EndComp
Wire Wire Line
	2800 4700 2800 4650
Wire Wire Line
	2800 4650 3350 4650
Connection ~ 3350 4650
$Comp
L power:PWR_FLAG #FLG01
U 1 1 5B842663
P 1850 1100
F 0 "#FLG01" H 1850 1195 50  0001 C CNN
F 1 "PWR_FLAG" H 1850 1280 50  0000 C CNN
F 2 "" H 1850 1100 50  0000 C CNN
F 3 "" H 1850 1100 50  0000 C CNN
	1    1850 1100
	1    0    0    -1  
$EndComp
Text Label 1500 3450 0    60   ~ 0
ROTATE_IN
Text Label 1500 3550 0    60   ~ 0
MASTER_CLK_IN
Text Label 1500 3650 0    60   ~ 0
RESET_IN
Text Label 1500 3750 0    60   ~ 0
VCC
Wire Wire Line
	3350 3850 1500 3850
Wire Wire Line
	6950 2750 7000 2750
Wire Wire Line
	6950 2150 7000 2150
Wire Wire Line
	7600 2750 7600 2800
Wire Wire Line
	3350 3650 3350 3850
Wire Wire Line
	3350 4950 3350 5050
Wire Wire Line
	6600 5350 6600 5400
Wire Wire Line
	6900 4850 7200 4850
Wire Wire Line
	5450 3600 5450 3650
Wire Wire Line
	5750 3100 6050 3100
Wire Wire Line
	4700 1150 4700 1500
Wire Wire Line
	5100 1150 5100 1500
Wire Wire Line
	5650 1150 5650 1500
Wire Wire Line
	7300 1150 7300 1500
Wire Wire Line
	7850 1150 7850 1300
Wire Wire Line
	8400 1150 8400 1300
Wire Wire Line
	3350 3850 3350 4650
Wire Wire Line
	6750 1150 6750 1500
Wire Wire Line
	6200 1150 6200 1500
Wire Wire Line
	5050 3100 5450 3100
$Comp
L Connector:Conn_01x08_Male J3
U 1 1 5B9BDAB4
P 1300 4550
F 0 "J3" H 1406 5028 50  0000 C CNN
F 1 "Conn_01x08_Male" H 1406 4937 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical" H 1300 4550 50  0001 C CNN
F 3 "~" H 1300 4550 50  0001 C CNN
	1    1300 4550
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x08_Male J4
U 1 1 5B9BDD4C
P 1300 5500
F 0 "J4" H 1406 5978 50  0000 C CNN
F 1 "Conn_01x08_Male" H 1406 5887 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical" H 1300 5500 50  0001 C CNN
F 3 "~" H 1300 5500 50  0001 C CNN
	1    1300 5500
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x06_Male J1
U 1 1 5B9C3A67
P 600 1500
F 0 "J1" H 706 1878 50  0000 C CNN
F 1 "Conn_01x06_Male" H 706 1787 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical" H 600 1500 50  0001 C CNN
F 3 "~" H 600 1500 50  0001 C CNN
	1    600  1500
	1    0    0    -1  
$EndComp
$Comp
L MCU_Microchip_ATmega:ATmega328-PU U2
U 1 1 5B9CE629
P 4450 3400
F 0 "U2" H 3809 3446 50  0000 R CNN
F 1 "ATmega328-PU" H 3809 3355 50  0000 R CNN
F 2 "Package_DIP:DIP-28_W7.62mm" H 4450 3400 50  0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega328_P%20AVR%20MCU%20with%20picoPower%20Technology%20Data%20Sheet%2040001984A.pdf" H 4450 3400 50  0001 C CNN
	1    4450 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 4900 4450 4950
Wire Wire Line
	3350 4950 4450 4950
Wire Wire Line
	3350 4650 3350 4950
$Comp
L Regulator_Linear:L7805 U1
U 1 1 5B9D3A12
P 2500 2650
F 0 "U1" H 2500 2892 50  0000 C CNN
F 1 "L7805" H 2500 2801 50  0000 C CNN
F 2 "Package_TO_SOT_THT:TO-92" H 2525 2500 50  0001 L CIN
F 3 "http://www.st.com/content/ccc/resource/technical/document/datasheet/41/4f/b3/b0/12/d4/47/88/CD00000444.pdf/files/CD00000444.pdf/jcr:content/translations/en.CD00000444.pdf" H 2500 2600 50  0001 C CNN
	1    2500 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2800 2650 2900 2650
$Comp
L Device:C C3
U 1 1 5B9DE3CD
P 2900 2900
F 0 "C3" H 3015 2946 50  0000 L CNN
F 1 "100nF" H 3015 2855 50  0000 L CNN
F 2 "Capacitor_THT:C_Rect_L7.0mm_W2.0mm_P5.00mm" H 2938 2750 50  0001 C CNN
F 3 "~" H 2900 2900 50  0001 C CNN
	1    2900 2900
	1    0    0    -1  
$EndComp
$Comp
L Device:C C4
U 1 1 5B9E06E1
P 3350 3450
F 0 "C4" H 3465 3496 50  0000 L CNN
F 1 "100nF" H 3465 3405 50  0000 L CNN
F 2 "Capacitor_THT:C_Rect_L7.0mm_W2.0mm_P5.00mm" H 3388 3300 50  0001 C CNN
F 3 "~" H 3350 3450 50  0001 C CNN
	1    3350 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	4450 1750 4450 1900
Wire Wire Line
	4450 1750 4550 1750
Wire Wire Line
	4550 1750 4550 1900
Connection ~ 4450 1750
Wire Wire Line
	3350 2200 3850 2200
Wire Wire Line
	3350 2200 3350 3300
Wire Wire Line
	2900 2650 2900 1750
Wire Wire Line
	2900 1750 4450 1750
Connection ~ 2900 2650
Wire Wire Line
	5050 2800 5200 2800
Wire Wire Line
	5200 2800 5200 2850
Wire Wire Line
	5200 2850 5900 2850
Wire Wire Line
	5050 2900 5200 2900
Wire Wire Line
	5200 2900 5200 2950
Wire Wire Line
	5200 2950 6000 2950
Wire Wire Line
	6000 2950 6000 2750
$Comp
L Device:Crystal Y1
U 1 1 5BA13B1B
P 6950 2450
F 0 "Y1" V 6904 2581 50  0000 L CNN
F 1 "Crystal" V 6995 2581 50  0000 L CNN
F 2 "Crystal:Crystal_HC49-4H_Vertical" H 6950 2450 50  0001 C CNN
F 3 "~" H 6950 2450 50  0001 C CNN
	1    6950 2450
	0    1    1    0   
$EndComp
$Comp
L Device:C C8
U 1 1 5BA13CAE
P 7150 2150
F 0 "C8" V 6898 2150 50  0000 C CNN
F 1 "22pF" V 6989 2150 50  0000 C CNN
F 2 "Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm" H 7188 2000 50  0001 C CNN
F 3 "~" H 7150 2150 50  0001 C CNN
	1    7150 2150
	0    1    1    0   
$EndComp
$Comp
L Device:C C9
U 1 1 5BA13DCF
P 7150 2750
F 0 "C9" V 6898 2750 50  0000 C CNN
F 1 "22pF" V 6989 2750 50  0000 C CNN
F 2 "Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm" H 7188 2600 50  0001 C CNN
F 3 "~" H 7150 2750 50  0001 C CNN
	1    7150 2750
	0    1    1    0   
$EndComp
$Comp
L Device:D_Zener D1
U 1 1 5BA159DA
P 5450 3350
F 0 "D1" V 5404 3429 50  0000 L CNN
F 1 "D_Zener" V 5495 3429 50  0000 L CNN
F 2 "Diode_THT:D_DO-34_SOD68_P7.62mm_Horizontal" H 5450 3350 50  0001 C CNN
F 3 "~" H 5450 3350 50  0001 C CNN
	1    5450 3350
	0    1    1    0   
$EndComp
$Comp
L Device:C C5
U 1 1 5BA15F47
P 5750 3350
F 0 "C5" H 5865 3396 50  0000 L CNN
F 1 "220pF" H 5865 3305 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm" H 5788 3200 50  0001 C CNN
F 3 "~" H 5750 3350 50  0001 C CNN
	1    5750 3350
	1    0    0    -1  
$EndComp
$Comp
L Device:R R9
U 1 1 5BA1624A
P 6200 3100
F 0 "R9" V 5993 3100 50  0000 C CNN
F 1 "1k" V 6084 3100 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 6130 3100 50  0001 C CNN
F 3 "~" H 6200 3100 50  0001 C CNN
	1    6200 3100
	0    1    1    0   
$EndComp
Wire Wire Line
	5450 3200 5450 3100
Connection ~ 5450 3100
Wire Wire Line
	5450 3100 5750 3100
$Comp
L Device:R R16
U 1 1 5BA1CA3A
P 7400 3950
F 0 "R16" H 7470 3996 50  0000 L CNN
F 1 "1k" H 7470 3905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 7330 3950 50  0001 C CNN
F 3 "~" H 7400 3950 50  0001 C CNN
	1    7400 3950
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:BC547 Q1
U 1 1 5BA1CF64
P 7300 4350
F 0 "Q1" H 7491 4396 50  0000 L CNN
F 1 "BC547" H 7491 4305 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92" H 7500 4275 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC547.pdf" H 7300 4350 50  0001 L CNN
	1    7300 4350
	1    0    0    -1  
$EndComp
$Comp
L Device:R R12
U 1 1 5BA1D97E
P 6750 4350
F 0 "R12" V 6543 4350 50  0000 C CNN
F 1 "470k" V 6634 4350 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 6680 4350 50  0001 C CNN
F 3 "~" H 6750 4350 50  0001 C CNN
	1    6750 4350
	0    1    1    0   
$EndComp
$Comp
L Device:D_Zener D3
U 1 1 5BA1E01A
P 6600 5100
F 0 "D3" V 6554 5179 50  0000 L CNN
F 1 "D_Zener" V 6645 5179 50  0000 L CNN
F 2 "Diode_THT:D_DO-34_SOD68_P7.62mm_Horizontal" H 6600 5100 50  0001 C CNN
F 3 "~" H 6600 5100 50  0001 C CNN
	1    6600 5100
	0    1    1    0   
$EndComp
$Comp
L Device:C C7
U 1 1 5BA1E138
P 6900 5100
F 0 "C7" H 7015 5146 50  0000 L CNN
F 1 "220pF" H 7015 5055 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm" H 6938 4950 50  0001 C CNN
F 3 "~" H 6900 5100 50  0001 C CNN
	1    6900 5100
	1    0    0    -1  
$EndComp
$Comp
L Device:R R14
U 1 1 5BA1E266
P 7200 5200
F 0 "R14" H 7270 5246 50  0000 L CNN
F 1 "1k" H 7270 5155 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 7130 5200 50  0001 C CNN
F 3 "~" H 7200 5200 50  0001 C CNN
	1    7200 5200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 4950 6600 4850
Wire Wire Line
	6600 4850 6900 4850
Wire Wire Line
	5850 4850 6600 4850
Connection ~ 6600 4850
$Comp
L Device:R R2
U 1 1 5BA65B7E
P 4500 950
F 0 "R2" H 4570 996 50  0000 L CNN
F 1 "330" H 4570 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 4430 950 50  0001 C CNN
F 3 "~" H 4500 950 50  0001 C CNN
	1    4500 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R3
U 1 1 5BA65C2F
P 4700 950
F 0 "R3" H 4770 996 50  0000 L CNN
F 1 "1k" H 4770 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 4630 950 50  0001 C CNN
F 3 "~" H 4700 950 50  0001 C CNN
	1    4700 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R4
U 1 1 5BA6D4D8
P 5100 950
F 0 "R4" H 5170 996 50  0000 L CNN
F 1 "330" H 5170 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5030 950 50  0001 C CNN
F 3 "~" H 5100 950 50  0001 C CNN
	1    5100 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R5
U 1 1 5BA6D4DF
P 5300 950
F 0 "R5" H 5370 996 50  0000 L CNN
F 1 "1k" H 5370 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5230 950 50  0001 C CNN
F 3 "~" H 5300 950 50  0001 C CNN
	1    5300 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R6
U 1 1 5BA73277
P 5650 950
F 0 "R6" H 5720 996 50  0000 L CNN
F 1 "330" H 5720 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5580 950 50  0001 C CNN
F 3 "~" H 5650 950 50  0001 C CNN
	1    5650 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R7
U 1 1 5BA7327E
P 5850 950
F 0 "R7" H 5920 996 50  0000 L CNN
F 1 "1k" H 5920 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5780 950 50  0001 C CNN
F 3 "~" H 5850 950 50  0001 C CNN
	1    5850 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R8
U 1 1 5BA7904D
P 6200 950
F 0 "R8" H 6270 996 50  0000 L CNN
F 1 "330" H 6270 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 6130 950 50  0001 C CNN
F 3 "~" H 6200 950 50  0001 C CNN
	1    6200 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R10
U 1 1 5BA79054
P 6400 950
F 0 "R10" H 6470 996 50  0000 L CNN
F 1 "1k" H 6470 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 6330 950 50  0001 C CNN
F 3 "~" H 6400 950 50  0001 C CNN
	1    6400 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R11
U 1 1 5BA7ED59
P 6750 950
F 0 "R11" H 6820 996 50  0000 L CNN
F 1 "330" H 6820 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 6680 950 50  0001 C CNN
F 3 "~" H 6750 950 50  0001 C CNN
	1    6750 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R13
U 1 1 5BA7ED60
P 6950 950
F 0 "R13" H 7020 996 50  0000 L CNN
F 1 "1k" H 7020 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 6880 950 50  0001 C CNN
F 3 "~" H 6950 950 50  0001 C CNN
	1    6950 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R15
U 1 1 5BA84A97
P 7300 950
F 0 "R15" H 7370 996 50  0000 L CNN
F 1 "330" H 7370 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 7230 950 50  0001 C CNN
F 3 "~" H 7300 950 50  0001 C CNN
	1    7300 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R17
U 1 1 5BA84A9E
P 7500 950
F 0 "R17" H 7570 996 50  0000 L CNN
F 1 "1k" H 7570 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 7430 950 50  0001 C CNN
F 3 "~" H 7500 950 50  0001 C CNN
	1    7500 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R18
U 1 1 5BA8A765
P 7850 950
F 0 "R18" H 7920 996 50  0000 L CNN
F 1 "330" H 7920 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 7780 950 50  0001 C CNN
F 3 "~" H 7850 950 50  0001 C CNN
	1    7850 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R19
U 1 1 5BA8A76C
P 8050 950
F 0 "R19" H 8120 996 50  0000 L CNN
F 1 "1k" H 8120 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 7980 950 50  0001 C CNN
F 3 "~" H 8050 950 50  0001 C CNN
	1    8050 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R20
U 1 1 5BA90373
P 8400 950
F 0 "R20" H 8470 996 50  0000 L CNN
F 1 "330" H 8470 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 8330 950 50  0001 C CNN
F 3 "~" H 8400 950 50  0001 C CNN
	1    8400 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:R R21
U 1 1 5BA9037A
P 8600 950
F 0 "R21" H 8670 996 50  0000 L CNN
F 1 "1k" H 8670 905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 8530 950 50  0001 C CNN
F 3 "~" H 8600 950 50  0001 C CNN
	1    8600 950 
	1    0    0    -1  
$EndComp
$Comp
L Device:D D4
U 1 1 5BA9DC23
P 7000 4500
F 0 "D4" V 6954 4579 50  0000 L CNN
F 1 "D" V 7045 4579 50  0000 L CNN
F 2 "Diode_THT:D_DO-34_SOD68_P7.62mm_Horizontal" H 7000 4500 50  0001 C CNN
F 3 "~" H 7000 4500 50  0001 C CNN
	1    7000 4500
	0    1    1    0   
$EndComp
Connection ~ 7000 4350
Wire Wire Line
	7000 4350 6900 4350
Wire Wire Line
	7000 4650 7400 4650
Connection ~ 7400 4650
$Comp
L Connector:Conn_01x06_Male J2
U 1 1 5BAA752B
P 1300 3550
F 0 "J2" H 1406 3928 50  0000 C CNN
F 1 "Conn_01x06_Male" H 1406 3837 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical" H 1300 3550 50  0001 C CNN
F 3 "~" H 1300 3550 50  0001 C CNN
	1    1300 3550
	1    0    0    -1  
$EndComp
Text Label 1500 3350 0    50   ~ 0
DIVIDING
Text Label 5050 3200 0    50   ~ 0
DIVIDING
Connection ~ 5350 1600
Wire Wire Line
	5850 4600 5050 4600
Wire Wire Line
	5850 4600 5850 4850
NoConn ~ 5050 4400
NoConn ~ 5050 4500
NoConn ~ 5050 3700
Wire Wire Line
	5550 4100 6000 4100
Connection ~ 7400 4100
NoConn ~ 5050 4100
NoConn ~ 5050 4200
Wire Wire Line
	5050 4300 5550 4300
Wire Wire Line
	5550 4100 5550 4300
$Comp
L Device:D_Zener D2
U 1 1 5B9F42E3
P 6000 4300
F 0 "D2" V 5954 4379 50  0000 L CNN
F 1 "D_Zener" V 6045 4379 50  0000 L CNN
F 2 "Diode_THT:D_DO-34_SOD68_P7.62mm_Horizontal" H 6000 4300 50  0001 C CNN
F 3 "~" H 6000 4300 50  0001 C CNN
	1    6000 4300
	0    1    1    0   
$EndComp
$Comp
L Device:C C6
U 1 1 5B9F9C50
P 6250 4300
F 0 "C6" H 6365 4346 50  0000 L CNN
F 1 "220pF" H 6365 4255 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm" H 6288 4150 50  0001 C CNN
F 3 "~" H 6250 4300 50  0001 C CNN
	1    6250 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR04
U 1 1 5B9FF5E5
P 6000 4550
F 0 "#PWR04" H 6000 4300 50  0001 C CNN
F 1 "GND" H 6005 4377 50  0000 C CNN
F 2 "" H 6000 4550 50  0001 C CNN
F 3 "" H 6000 4550 50  0001 C CNN
	1    6000 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 4550 6000 4500
Wire Wire Line
	6000 4150 6000 4100
Connection ~ 6000 4100
Wire Wire Line
	6000 4100 6250 4100
Wire Wire Line
	6250 4150 6250 4100
Connection ~ 6250 4100
Wire Wire Line
	6250 4100 7400 4100
Wire Wire Line
	6000 4500 6250 4500
Wire Wire Line
	6250 4500 6250 4450
Connection ~ 6000 4500
Wire Wire Line
	6000 4500 6000 4450
$Comp
L Device:CP C2
U 1 1 5BA17C27
P 1950 2850
F 0 "C2" H 2068 2896 50  0000 L CNN
F 1 "22uF" H 2068 2805 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.50mm" H 1988 2700 50  0001 C CNN
F 3 "~" H 1950 2850 50  0001 C CNN
	1    1950 2850
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5BA17CE9
P 1500 2850
F 0 "C1" H 1615 2896 50  0000 L CNN
F 1 "100nF" H 1615 2805 50  0000 L CNN
F 2 "Capacitor_THT:C_Rect_L7.0mm_W2.0mm_P5.00mm" H 1538 2700 50  0001 C CNN
F 3 "~" H 1500 2850 50  0001 C CNN
	1    1500 2850
	1    0    0    -1  
$EndComp
Wire Wire Line
	2500 2950 2500 3100
Wire Wire Line
	950  2650 950  2050
Wire Wire Line
	950  2050 1300 2050
Wire Wire Line
	1300 2050 1300 1300
Wire Wire Line
	1500 2700 1500 2650
Wire Wire Line
	1500 3000 1500 3100
Connection ~ 2500 3100
Wire Wire Line
	2500 3100 2500 3650
Wire Wire Line
	2500 3100 2900 3100
Wire Wire Line
	2900 3100 2900 3050
Connection ~ 1500 2650
Wire Wire Line
	1500 2650 1850 2650
Wire Wire Line
	1500 3100 1950 3100
Wire Wire Line
	1950 2700 1950 2650
Connection ~ 1950 2650
Wire Wire Line
	1950 2650 2200 2650
Wire Wire Line
	1950 3000 1950 3100
Connection ~ 1950 3100
Wire Wire Line
	1950 3100 2500 3100
Wire Wire Line
	950  2650 1050 2650
$Comp
L Device:R R1
U 1 1 5BAC4173
P 1200 2650
F 0 "R1" V 993 2650 50  0000 C CNN
F 1 "10" V 1084 2650 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 1130 2650 50  0001 C CNN
F 3 "~" H 1200 2650 50  0001 C CNN
	1    1200 2650
	0    1    1    0   
$EndComp
Wire Wire Line
	1350 2650 1500 2650
Connection ~ 1850 2650
Wire Wire Line
	1850 2650 1950 2650
Wire Wire Line
	1850 1100 1850 2650
Text Label 1500 4850 0    60   ~ 0
CLK5
Text Label 1500 4650 0    60   ~ 0
CLK6
Text Label 1500 4450 0    60   ~ 0
CLK7
Text Label 1500 4250 0    60   ~ 0
CLK8
Text Label 1500 5200 0    60   ~ 0
CLK4
Text Label 1500 5400 0    60   ~ 0
CLK3
Text Label 1500 5600 0    60   ~ 0
CLK2
Text Label 1500 5800 0    60   ~ 0
CLK1
Wire Bus Line
	4800 1600 5350 1600
Wire Bus Line
	5350 1600 7400 1600
Wire Bus Line
	5350 1600 5350 2800
$EndSCHEMATC