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:components
LIBS:chibi_2024-cache
LIBS:chibi-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 3 3
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L 7seg_4digit_cc D?
U 1 1 5900990E
P 4250 2450
F 0 "D?" H 4800 2750 60  0000 C CNN
F 1 "7seg_4digit_cc" H 4250 2450 60  0000 C CNN
F 2 "" H 5250 2350 60  0001 C CNN
F 3 "" H 5250 2350 60  0001 C CNN
	1    4250 2450
	1    0    0    -1  
$EndComp
$Comp
L 7seg_4digit_cc D?
U 1 1 59009915
P 5350 2450
F 0 "D?" H 5900 2750 60  0000 C CNN
F 1 "7seg_4digit_cc" H 5350 2450 60  0000 C CNN
F 2 "" H 6350 2350 60  0001 C CNN
F 3 "" H 6350 2350 60  0001 C CNN
	1    5350 2450
	1    0    0    -1  
$EndComp
$Comp
L 7seg_4digit_cc D?
U 1 1 5900991C
P 6450 2450
F 0 "D?" H 7000 2750 60  0000 C CNN
F 1 "7seg_4digit_cc" H 6450 2450 60  0000 C CNN
F 2 "" H 7450 2350 60  0001 C CNN
F 3 "" H 7450 2350 60  0001 C CNN
	1    6450 2450
	1    0    0    -1  
$EndComp
$Comp
L 7seg_4digit_cc D?
U 1 1 59009923
P 7550 2450
F 0 "D?" H 8100 2750 60  0000 C CNN
F 1 "7seg_4digit_cc" H 7550 2450 60  0000 C CNN
F 2 "" H 8550 2350 60  0001 C CNN
F 3 "" H 8550 2350 60  0001 C CNN
	1    7550 2450
	1    0    0    -1  
$EndComp
$Comp
L MBI5026 U?
U 1 1 5900992A
P 5900 4550
F 0 "U?" H 6600 4950 60  0000 C CNN
F 1 "MBI5026" H 5900 4550 60  0000 C CNN
F 2 "" H 5900 4550 60  0001 C CNN
F 3 "" H 5900 4550 60  0001 C CNN
	1    5900 4550
	1    0    0    1   
$EndComp
Wire Wire Line
	5500 3000 5500 3150
Wire Wire Line
	5500 3150 5850 3150
Wire Wire Line
	5850 3150 5850 3950
Wire Wire Line
	5400 3000 5400 3250
Wire Wire Line
	5400 3250 5750 3250
Wire Wire Line
	5750 3250 5750 3950
Wire Wire Line
	5300 3000 5300 3350
Wire Wire Line
	5300 3350 5650 3350
Wire Wire Line
	5650 3350 5650 3950
Wire Wire Line
	5200 3000 5200 3450
Wire Wire Line
	5200 3450 5550 3450
Wire Wire Line
	5550 3450 5550 3950
Wire Wire Line
	5450 3950 5450 3550
Wire Wire Line
	5450 3550 4400 3550
Wire Wire Line
	4400 3550 4400 3000
Wire Wire Line
	5350 3950 5350 3650
Wire Wire Line
	5350 3650 4300 3650
Wire Wire Line
	4300 3650 4300 3000
Wire Wire Line
	4200 3000 4200 3750
Wire Wire Line
	4200 3750 5250 3750
Wire Wire Line
	5250 3750 5250 3950
Wire Wire Line
	5150 3950 5150 3850
Wire Wire Line
	5150 3850 4100 3850
Wire Wire Line
	4100 3850 4100 3000
Wire Wire Line
	6300 3000 6300 3150
Wire Wire Line
	6300 3150 5950 3150
Wire Wire Line
	5950 3150 5950 3950
Wire Wire Line
	6050 3950 6050 3250
Wire Wire Line
	6050 3250 6400 3250
Wire Wire Line
	6400 3250 6400 3000
Wire Wire Line
	6500 3000 6500 3350
Wire Wire Line
	6500 3350 6150 3350
Wire Wire Line
	6150 3350 6150 3950
Wire Wire Line
	6250 3950 6250 3450
Wire Wire Line
	6250 3450 6600 3450
Wire Wire Line
	6600 3450 6600 3000
Wire Wire Line
	6350 3950 6350 3550
Wire Wire Line
	6350 3550 7400 3550
Wire Wire Line
	7400 3550 7400 3000
Wire Wire Line
	7500 3000 7500 3650
Wire Wire Line
	7500 3650 6450 3650
Wire Wire Line
	6450 3650 6450 3950
Wire Wire Line
	6550 3950 6550 3750
Wire Wire Line
	6550 3750 7600 3750
Wire Wire Line
	7600 3750 7600 3000
Wire Wire Line
	7700 3000 7700 3850
Wire Wire Line
	7700 3850 6650 3850
Wire Wire Line
	6650 3850 6650 3950
Wire Wire Line
	3700 1800 8100 1800
Wire Wire Line
	4600 1800 4600 1900
Connection ~ 4600 1800
Wire Wire Line
	5700 1800 5700 1900
Connection ~ 5700 1800
Wire Wire Line
	6800 1800 6800 1900
Connection ~ 6800 1800
Wire Wire Line
	7900 1800 7900 1900
Connection ~ 7900 1800
Wire Wire Line
	3700 1700 8100 1700
Wire Wire Line
	3700 1600 8100 1600
Wire Wire Line
	3700 1500 8100 1500
Wire Wire Line
	3700 1400 8100 1400
Wire Wire Line
	3700 1300 8100 1300
Wire Wire Line
	3700 1200 8100 1200
Wire Wire Line
	3700 1100 8100 1100
Wire Wire Line
	7800 1900 7800 1700
Connection ~ 7800 1700
Wire Wire Line
	7700 1600 7700 1900
Connection ~ 7700 1600
Wire Wire Line
	7600 1900 7600 1500
Connection ~ 7600 1500
Wire Wire Line
	7500 1400 7500 1900
Connection ~ 7500 1400
Wire Wire Line
	7400 1900 7400 1300
Connection ~ 7400 1300
Wire Wire Line
	7300 1200 7300 1900
Connection ~ 7300 1200
Wire Wire Line
	7200 1900 7200 1100
Connection ~ 7200 1100
Wire Wire Line
	6100 1100 6100 1900
Connection ~ 6100 1100
Wire Wire Line
	6200 1900 6200 1200
Connection ~ 6200 1200
Wire Wire Line
	6300 1300 6300 1900
Connection ~ 6300 1300
Wire Wire Line
	6400 1400 6400 1900
Connection ~ 6400 1400
Wire Wire Line
	6500 1900 6500 1500
Connection ~ 6500 1500
Wire Wire Line
	6600 1600 6600 1900
Connection ~ 6600 1600
Wire Wire Line
	6700 1700 6700 1900
Connection ~ 6700 1700
Wire Wire Line
	4500 1700 4500 1900
Connection ~ 4500 1700
Wire Wire Line
	4400 1900 4400 1600
Connection ~ 4400 1600
Wire Wire Line
	4300 1900 4300 1500
Connection ~ 4300 1500
Wire Wire Line
	4200 1400 4200 1900
Connection ~ 4200 1400
Wire Wire Line
	4100 1300 4100 1900
Connection ~ 4100 1300
Wire Wire Line
	4000 1900 4000 1200
Connection ~ 4000 1200
Wire Wire Line
	3900 1100 3900 1900
Connection ~ 3900 1100
Wire Wire Line
	5000 1900 5000 1100
Connection ~ 5000 1100
Wire Wire Line
	5100 1200 5100 1900
Connection ~ 5100 1200
Wire Wire Line
	5200 1900 5200 1300
Connection ~ 5200 1300
Wire Wire Line
	5300 1400 5300 1900
Connection ~ 5300 1400
Wire Wire Line
	5400 1900 5400 1500
Connection ~ 5400 1500
Wire Wire Line
	5500 1600 5500 1900
Connection ~ 5500 1600
Wire Wire Line
	5600 1900 5600 1700
Connection ~ 5600 1700
Wire Wire Line
	8100 5200 3700 5200
Wire Wire Line
	8100 5300 3700 5300
Wire Wire Line
	8100 5400 3700 5400
Wire Wire Line
	8100 5500 3700 5500
Wire Wire Line
	8100 5600 3700 5600
Wire Wire Line
	5250 5100 5250 5200
Connection ~ 5250 5200
Wire Wire Line
	5150 5100 5150 5300
Connection ~ 5150 5300
Wire Wire Line
	5800 5100 5800 5400
Connection ~ 5800 5400
Wire Wire Line
	5900 5100 5900 5500
Connection ~ 5900 5500
Wire Wire Line
	6000 5100 6000 5600
Connection ~ 6000 5600
Text HLabel 3700 1100 0    60   Input ~ 0
SEG_A
Text HLabel 3700 1200 0    60   Input ~ 0
SEG_B
Text HLabel 3700 1300 0    60   Input ~ 0
SEG_C
Text HLabel 3700 1400 0    60   Input ~ 0
SEG_D
Text HLabel 3700 1500 0    60   Input ~ 0
SEG_E
Text HLabel 3700 1600 0    60   Input ~ 0
SEG_F
Text HLabel 3700 1700 0    60   Input ~ 0
SEG_G
Text HLabel 3700 1800 0    60   Input ~ 0
SEG_DP
Text HLabel 8100 5200 2    60   Input ~ 0
GND
Text HLabel 8100 5300 2    60   Input ~ 0
VDD
Text HLabel 8100 5400 2    60   Input ~ 0
CLK
Text HLabel 8100 5500 2    60   Input ~ 0
LE
Text HLabel 8100 5600 2    60   Input ~ 0
~OE
Wire Wire Line
	8100 4550 6950 4550
Wire Wire Line
	3700 4550 4850 4550
Text HLabel 3700 4550 0    60   Input ~ 0
SDI
Text HLabel 8100 4550 2    60   Input ~ 0
SDO
Text HLabel 3700 5200 0    60   Input ~ 0
GND
Text HLabel 3700 5300 0    60   Input ~ 0
VDD
Text HLabel 3700 5400 0    60   Input ~ 0
CLK
Text HLabel 3700 5500 0    60   Input ~ 0
LE
Text HLabel 3700 5600 0    60   Input ~ 0
~OE
Text HLabel 8100 1100 2    60   Input ~ 0
SEG_A
Text HLabel 8100 1200 2    60   Input ~ 0
SEG_B
Text HLabel 8100 1300 2    60   Input ~ 0
SEG_C
Text HLabel 8100 1400 2    60   Input ~ 0
SEG_D
Text HLabel 8100 1500 2    60   Input ~ 0
SEG_E
Text HLabel 8100 1600 2    60   Input ~ 0
SEG_F
Text HLabel 8100 1700 2    60   Input ~ 0
SEG_G
Text HLabel 8100 1800 2    60   Input ~ 0
SEG_DP
Text Notes 7300 6900 0    197  ~ 39
Single multiplexing unit
Text Notes 8150 7100 0    118  ~ 0
4 displays, 1 driver
$Comp
L R R?
U 1 1 590099AE
P 5750 5950
F 0 "R?" V 5830 5950 50  0000 C CNN
F 1 "R" V 5750 5950 50  0000 C CNN
F 2 "" V 5680 5950 50  0000 C CNN
F 3 "" H 5750 5950 50  0000 C CNN
	1    5750 5950
	1    0    0    1   
$EndComp
$Comp
L R R?
U 1 1 590DC56C
P 5550 5950
F 0 "R?" V 5630 5950 50  0000 C CNN
F 1 "R" V 5550 5950 50  0000 C CNN
F 2 "" V 5480 5950 50  0000 C CNN
F 3 "" H 5550 5950 50  0000 C CNN
	1    5550 5950
	1    0    0    1   
$EndComp
Wire Wire Line
	5550 5800 5550 5700
Wire Wire Line
	5550 5700 5750 5700
Wire Wire Line
	5750 5700 5750 5800
Wire Wire Line
	5650 5100 5650 5700
Connection ~ 5650 5700
Wire Wire Line
	3700 6200 8100 6200
Wire Wire Line
	3700 6300 8100 6300
Text HLabel 3700 6200 0    63   Input ~ 0
R_SET_0
Text HLabel 3700 6300 0    63   Input ~ 0
R_SET_1
Text HLabel 8100 6300 2    63   Input ~ 0
R_SET_1
Text HLabel 8100 6200 2    63   Input ~ 0
R_SET_0
Wire Wire Line
	5550 6200 5550 6100
Connection ~ 5550 6200
Wire Wire Line
	5750 6100 5750 6300
Connection ~ 5750 6300
$EndSCHEMATC