EESchema Schematic File Version 4 EELAYER 29 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 3 3 Title "DISCRETE TTL FPGA" Date "" Rev "01" Comp "Markus Koch " Comment1 "Logic Block" Comment2 "single 4-input LUT / dual 3-input LUT" Comment3 "" Comment4 "" $EndDescr $Comp L 74xx_IEEE:74164 U? U 1 1 5CF42176 P 3100 3450 AR Path="/5CF41639/5CF42176" Ref="U?" Part="1" AR Path="/5D77FDBE/5D7AF013/5CF42176" Ref="U?" Part="1" F 0 "U?" H 3450 3650 50 0000 C CNN F 1 "74164" H 3500 3750 50 0000 C CNN F 2 "" H 3100 3450 50 0001 C CNN F 3 "" H 3100 3450 50 0001 C CNN 1 3100 3450 1 0 0 -1 $EndComp $Comp L 74xx_IEEE:74164 U? U 1 1 5CF427E5 P 3100 5000 AR Path="/5CF41639/5CF427E5" Ref="U?" Part="1" AR Path="/5D77FDBE/5D7AF013/5CF427E5" Ref="U?" Part="1" F 0 "U?" H 3450 5200 50 0000 C CNN F 1 "74164" H 3500 5300 50 0000 C CNN F 2 "" H 3100 5000 50 0001 C CNN F 3 "" H 3100 5000 50 0001 C CNN 1 3100 5000 1 0 0 -1 $EndComp Wire Wire Line 2550 5100 2500 5100 Wire Wire Line 2500 5100 2500 5050 Wire Wire Line 2500 5000 2550 5000 Wire Wire Line 3650 4250 3700 4250 Wire Wire Line 2450 4400 2450 5050 Wire Wire Line 2450 5050 2500 5050 Wire Wire Line 3700 4250 3700 4400 Connection ~ 2500 5050 Wire Wire Line 2500 5050 2500 5000 Wire Wire Line 2550 3550 2500 3550 Wire Wire Line 2500 3550 2500 3500 Wire Wire Line 2500 3450 2550 3450 Wire Wire Line 2550 4850 2350 4850 Wire Wire Line 2350 4850 2350 3300 Wire Wire Line 2350 3300 2550 3300 Wire Wire Line 2500 3500 2000 3500 Connection ~ 2500 3500 Wire Wire Line 2500 3500 2500 3450 Wire Wire Line 2350 3300 2000 3300 Connection ~ 2350 3300 Wire Wire Line 3650 3750 4250 3750 Wire Wire Line 3650 3650 4250 3650 Wire Wire Line 4250 3850 3650 3850 Wire Wire Line 3650 3950 4250 3950 Wire Wire Line 3650 4050 4250 4050 Wire Wire Line 3650 4150 4250 4150 Connection ~ 3700 4250 Wire Wire Line 3700 4250 4250 4250 Wire Wire Line 4250 3550 3700 3550 Wire Wire Line 3700 3550 3700 3500 Wire Wire Line 3700 3500 3650 3500 $Comp L 74xx_IEEE:74251 U? U 1 1 5CF5B900 P 4800 5200 AR Path="/5CF41639/5CF5B900" Ref="U?" Part="1" AR Path="/5D77FDBE/5D7AF013/5CF5B900" Ref="U?" Part="1" F 0 "U?" H 5000 5900 50 0000 C CNN F 1 "74251" H 4700 5900 50 0000 C CNN F 2 "" H 4800 5200 50 0001 C CNN F 3 "" H 4800 5200 50 0001 C CNN 1 4800 5200 1 0 0 -1 $EndComp Wire Wire Line 4250 5200 3650 5200 Wire Wire Line 4250 5300 3650 5300 Wire Wire Line 4250 5400 3650 5400 Wire Wire Line 4250 5500 3650 5500 Wire Wire Line 4250 5600 3650 5600 Wire Wire Line 4250 5700 3650 5700 Wire Wire Line 4250 5800 3700 5800 Wire Wire Line 4250 5100 3700 5100 Wire Wire Line 3700 5100 3700 5050 Wire Wire Line 3700 5050 3650 5050 Entry Wire Line 3850 3100 3950 3200 Entry Wire Line 3850 3200 3950 3300 Entry Wire Line 3850 3300 3950 3400 Wire Wire Line 3950 3200 4250 3200 $Comp L 74xx_IEEE:74251 U? U 1 1 5CF4F8AB P 4800 3650 AR Path="/5CF41639/5CF4F8AB" Ref="U?" Part="1" AR Path="/5D77FDBE/5D7AF013/5CF4F8AB" Ref="U?" Part="1" F 0 "U?" H 5000 4350 50 0000 C CNN F 1 "74251" H 4700 4350 50 0000 C CNN F 2 "" H 4800 3650 50 0001 C CNN F 3 "" H 4800 3650 50 0001 C CNN 1 4800 3650 1 0 0 -1 $EndComp Wire Wire Line 3950 3300 4250 3300 Wire Wire Line 3950 3400 4250 3400 Entry Wire Line 3850 4750 3950 4850 Entry Wire Line 3850 4650 3950 4750 Entry Wire Line 3850 4850 3950 4950 Wire Wire Line 3950 4750 4250 4750 Wire Wire Line 3950 4850 4250 4850 Wire Wire Line 3950 4950 4250 4950 Text Label 3950 3300 0 50 ~ 0 lut_in1 Text Label 3950 3400 0 50 ~ 0 lut_in2 Text Label 3950 4750 0 50 ~ 0 lut_in0 Text Label 3950 4850 0 50 ~ 0 lut_in1 Text Label 3950 4950 0 50 ~ 0 lut_in2 Text HLabel 2000 3300 0 50 Input ~ 0 isp_sck Text HLabel 2000 3500 0 50 Input ~ 0 isp_mosi Wire Wire Line 3700 5800 3700 5950 Connection ~ 3700 5800 Wire Wire Line 3700 5800 3650 5800 Wire Wire Line 2000 5950 3700 5950 Text HLabel 2000 5950 0 50 Output ~ 0 isp_miso Text HLabel 2000 2700 0 50 Input ~ 0 lut_in Text Label 3950 3200 0 50 ~ 0 lut_in0 Text Label 2300 2700 0 50 ~ 0 lut_in[3..0] NoConn ~ 5350 4000 NoConn ~ 5350 5550 Text HLabel 2000 900 0 50 Input ~ 0 cfg_sync NoConn ~ 7450 4300 NoConn ~ 7450 4400 NoConn ~ 7450 4500 Text HLabel 2000 6650 0 50 Input ~ 0 clk Text HLabel 2000 6750 0 50 Input ~ 0 rst_n $Comp L power:GNDD #PWR? U 1 1 5D015E6D P 6200 4550 AR Path="/5CF41639/5D015E6D" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D015E6D" Ref="#PWR?" Part="1" F 0 "#PWR?" H 6200 4300 50 0001 C CNN F 1 "GNDD" H 6204 4395 50 0000 C CNN F 2 "" H 6200 4550 50 0001 C CNN F 3 "" H 6200 4550 50 0001 C CNN 1 6200 4550 1 0 0 -1 $EndComp Wire Wire Line 6200 4550 6200 4500 Wire Wire Line 6200 4500 6450 4500 Wire Wire Line 6450 4400 6200 4400 Wire Wire Line 6200 4400 6200 4500 Connection ~ 6200 4500 Wire Wire Line 6450 4300 6200 4300 Wire Wire Line 6200 4300 6200 4400 Connection ~ 6200 4400 Wire Wire Line 4250 4650 3950 4650 Entry Wire Line 3850 4550 3950 4650 Text Label 3950 4650 0 50 ~ 0 lut_in3 Wire Wire Line 3950 3100 4250 3100 Text Label 8150 3850 0 50 ~ 0 cfg_sync Wire Wire Line 8500 3850 8100 3850 $Comp L 74xx_IEEE:74157 U? U 1 1 5D187D09 P 9050 4150 AR Path="/5CF41639/5D187D09" Ref="U?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D187D09" Ref="U?" Part="1" F 0 "U?" H 9050 4866 50 0000 C CNN F 1 "74157" H 9050 4775 50 0000 C CNN F 2 "" H 9050 4150 50 0001 C CNN F 3 "" H 9050 4150 50 0001 C CNN 1 9050 4150 1 0 0 -1 $EndComp $Comp L 74xx:74LS174 U? U 1 1 5CF941AD P 6950 4400 AR Path="/5CF41639/5CF941AD" Ref="U?" Part="1" AR Path="/5D77FDBE/5D7AF013/5CF941AD" Ref="U?" Part="1" F 0 "U?" H 7200 4950 50 0000 C CNN F 1 "74LS174" H 6750 4950 50 0000 C CNN F 2 "" H 6950 4400 50 0001 C CNN F 3 "http://www.ti.com/lit/gpn/sn74LS174" H 6950 4400 50 0001 C CNN 1 6950 4400 1 0 0 -1 $EndComp Wire Wire Line 6100 4000 6100 3300 Wire Wire Line 5350 3300 5800 3300 Wire Wire Line 6100 4000 6450 4000 Wire Wire Line 6100 4850 6100 4200 Wire Wire Line 6100 4200 6450 4200 Wire Wire Line 5350 4850 5800 4850 $Comp L Device:D_ALT D? U 1 1 5D19E941 P 5800 3650 AR Path="/5CF41639/5D19E941" Ref="D?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D19E941" Ref="D?" Part="1" F 0 "D?" V 5846 3571 50 0000 R CNN F 1 "D_ALT" V 5755 3571 50 0000 R CNN F 2 "" H 5800 3650 50 0001 C CNN F 3 "~" H 5800 3650 50 0001 C CNN 1 5800 3650 0 -1 -1 0 $EndComp $Comp L Device:D_ALT D? U 1 1 5D19F2CD P 5800 4500 AR Path="/5CF41639/5D19F2CD" Ref="D?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D19F2CD" Ref="D?" Part="1" F 0 "D?" V 5754 4579 50 0000 L CNN F 1 "D_ALT" V 5845 4579 50 0000 L CNN F 2 "" H 5800 4500 50 0001 C CNN F 3 "~" H 5800 4500 50 0001 C CNN 1 5800 4500 0 1 1 0 $EndComp Wire Wire Line 5800 4650 5800 4850 Connection ~ 5800 4850 Wire Wire Line 5800 4850 6100 4850 Wire Wire Line 5800 4350 5800 4100 Wire Wire Line 5800 3500 5800 3300 Connection ~ 5800 3300 Wire Wire Line 5800 3300 6100 3300 Wire Wire Line 6450 4100 5800 4100 Connection ~ 5800 4100 Wire Wire Line 5800 4100 5800 3800 Wire Wire Line 5800 4100 5550 4100 Wire Wire Line 5550 4100 5550 4200 $Comp L Device:R R? U 1 1 5D1A7947 P 5550 4350 AR Path="/5CF41639/5D1A7947" Ref="R?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D1A7947" Ref="R?" Part="1" F 0 "R?" H 5480 4304 50 0000 R CNN F 1 "10k" H 5480 4395 50 0000 R CNN F 2 "" V 5480 4350 50 0001 C CNN F 3 "~" H 5550 4350 50 0001 C CNN 1 5550 4350 1 0 0 1 $EndComp $Comp L power:GNDD #PWR? U 1 1 5D1A7DBD P 5550 4600 AR Path="/5CF41639/5D1A7DBD" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D1A7DBD" Ref="#PWR?" Part="1" F 0 "#PWR?" H 5550 4350 50 0001 C CNN F 1 "GNDD" H 5554 4445 50 0000 C CNN F 2 "" H 5550 4600 50 0001 C CNN F 3 "" H 5550 4600 50 0001 C CNN 1 5550 4600 1 0 0 -1 $EndComp Wire Wire Line 5550 4600 5550 4500 Text Label 6150 4000 0 50 ~ 0 async_a Text Label 6150 4100 0 50 ~ 0 async_c Text Label 6150 4200 0 50 ~ 0 async_b Wire Wire Line 8500 4000 7450 4000 Text Label 7550 4000 0 50 ~ 0 sync_a Text Label 7550 4100 0 50 ~ 0 sync_c Text Label 7550 4200 0 50 ~ 0 sync_b Wire Wire Line 7450 4100 7950 4100 Wire Wire Line 7950 4100 7950 4200 Wire Wire Line 7950 4200 8500 4200 Wire Wire Line 7450 4200 7850 4200 Wire Wire Line 8500 4400 7850 4400 Wire Wire Line 7850 4200 7850 4400 Wire Wire Line 8500 4100 8150 4100 Text Label 8150 4100 0 50 ~ 0 async_a Text Label 8150 4300 0 50 ~ 0 async_c Text Label 8150 4500 0 50 ~ 0 async_b Wire Wire Line 8150 4300 8500 4300 Wire Wire Line 8500 4500 8150 4500 Wire Wire Line 9600 4050 10000 4050 Text HLabel 10000 4050 2 50 Output ~ 0 lut_out_a Text HLabel 10000 4250 2 50 Output ~ 0 lut_out_c Text HLabel 10000 4450 2 50 Output ~ 0 lut_out_b Wire Wire Line 10000 4450 9600 4450 Wire Wire Line 9600 4250 10000 4250 Text Notes 4800 3700 0 94 ~ 0 A Text Notes 4800 5300 0 94 ~ 0 B $Comp L Device:Q_NPN_BCE Q? U 1 1 5D215162 P 3700 2150 AR Path="/5CF41639/5D215162" Ref="Q?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D215162" Ref="Q?" Part="1" F 0 "Q?" H 3891 2196 50 0000 L CNN F 1 "Q_NPN_BCE" H 3891 2105 50 0000 L CNN F 2 "" H 3900 2250 50 0001 C CNN F 3 "~" H 3700 2150 50 0001 C CNN 1 3700 2150 1 0 0 -1 $EndComp $Comp L Device:R R? U 1 1 5D21734D P 3800 1700 AR Path="/5CF41639/5D21734D" Ref="R?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D21734D" Ref="R?" Part="1" F 0 "R?" H 3730 1654 50 0000 R CNN F 1 "10k" H 3730 1745 50 0000 R CNN F 2 "" V 3730 1700 50 0001 C CNN F 3 "~" H 3800 1700 50 0001 C CNN 1 3800 1700 1 0 0 1 $EndComp Wire Wire Line 3800 1850 3800 1900 $Comp L power:GNDD #PWR? U 1 1 5D2296E9 P 3800 2450 AR Path="/5CF41639/5D2296E9" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D2296E9" Ref="#PWR?" Part="1" F 0 "#PWR?" H 3800 2200 50 0001 C CNN F 1 "GNDD" H 3804 2295 50 0000 C CNN F 2 "" H 3800 2450 50 0001 C CNN F 3 "" H 3800 2450 50 0001 C CNN 1 3800 2450 1 0 0 -1 $EndComp Wire Wire Line 3800 2450 3800 2350 Wire Wire Line 3800 1550 3800 1450 $Comp L power:VCC #PWR? U 1 1 5D22E805 P 3800 1450 AR Path="/5CF41639/5D22E805" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D22E805" Ref="#PWR?" Part="1" F 0 "#PWR?" H 3800 1300 50 0001 C CNN F 1 "VCC" H 3817 1623 50 0000 C CNN F 2 "" H 3800 1450 50 0001 C CNN F 3 "" H 3800 1450 50 0001 C CNN 1 3800 1450 1 0 0 -1 $EndComp Wire Wire Line 3950 1900 3800 1900 Connection ~ 3800 1900 Wire Wire Line 3800 1900 3800 1950 Entry Wire Line 2900 2700 3000 2600 Wire Wire Line 3000 2600 3000 2150 Text Label 3000 2600 1 50 ~ 0 lut_in3 Wire Wire Line 6450 4700 6350 4700 Wire Wire Line 6350 4700 6350 6650 Wire Wire Line 6350 6650 2000 6650 Wire Wire Line 2000 6750 6450 6750 Wire Wire Line 6450 6750 6450 4900 $Comp L power:GNDD #PWR? U 1 1 5D26A4EB P 6950 5300 AR Path="/5CF41639/5D26A4EB" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D26A4EB" Ref="#PWR?" Part="1" F 0 "#PWR?" H 6950 5050 50 0001 C CNN F 1 "GNDD" H 6954 5145 50 0000 C CNN F 2 "" H 6950 5300 50 0001 C CNN F 3 "" H 6950 5300 50 0001 C CNN 1 6950 5300 1 0 0 -1 $EndComp Wire Wire Line 6950 5200 6950 5300 $Comp L power:GNDD #PWR? U 1 1 5D276079 P 8300 3550 AR Path="/5CF41639/5D276079" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D276079" Ref="#PWR?" Part="1" F 0 "#PWR?" H 8300 3300 50 0001 C CNN F 1 "GNDD" H 8304 3395 50 0000 C CNN F 2 "" H 8300 3550 50 0001 C CNN F 3 "" H 8300 3550 50 0001 C CNN 1 8300 3550 1 0 0 -1 $EndComp Wire Wire Line 8300 3550 8300 3450 Wire Wire Line 8300 3450 8500 3450 Wire Wire Line 8500 3450 8500 3750 $Comp L power:VCC #PWR? U 1 1 5D27AEF5 P 6950 3600 AR Path="/5CF41639/5D27AEF5" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D27AEF5" Ref="#PWR?" Part="1" F 0 "#PWR?" H 6950 3450 50 0001 C CNN F 1 "VCC" H 6967 3773 50 0000 C CNN F 2 "" H 6950 3600 50 0001 C CNN F 3 "" H 6950 3600 50 0001 C CNN 1 6950 3600 1 0 0 -1 $EndComp Wire Wire Line 6950 3600 6950 3700 $Comp L power:GNDD #PWR? U 1 1 5D2924B9 P 4800 6000 AR Path="/5CF41639/5D2924B9" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D2924B9" Ref="#PWR?" Part="1" F 0 "#PWR?" H 4800 5750 50 0001 C CNN F 1 "GNDD" H 4804 5845 50 0000 C CNN F 2 "" H 4800 6000 50 0001 C CNN F 3 "" H 4800 6000 50 0001 C CNN 1 4800 6000 1 0 0 -1 $EndComp Wire Wire Line 4800 6000 4800 5900 $Comp L power:GNDD #PWR? U 1 1 5D2970E5 P 4450 4400 AR Path="/5CF41639/5D2970E5" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D2970E5" Ref="#PWR?" Part="1" F 0 "#PWR?" H 4450 4150 50 0001 C CNN F 1 "GNDD" H 4454 4245 50 0000 C CNN F 2 "" H 4450 4400 50 0001 C CNN F 3 "" H 4450 4400 50 0001 C CNN 1 4450 4400 1 0 0 -1 $EndComp Wire Wire Line 4450 4400 4800 4400 Wire Wire Line 4800 4400 4800 4350 $Comp L power:VCC #PWR? U 1 1 5D29AD03 P 5150 4450 AR Path="/5CF41639/5D29AD03" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D29AD03" Ref="#PWR?" Part="1" F 0 "#PWR?" H 5150 4300 50 0001 C CNN F 1 "VCC" H 5167 4623 50 0000 C CNN F 2 "" H 5150 4450 50 0001 C CNN F 3 "" H 5150 4450 50 0001 C CNN 1 5150 4450 1 0 0 -1 $EndComp Wire Wire Line 5150 4450 4800 4450 Wire Wire Line 4800 4450 4800 4550 $Comp L power:VCC #PWR? U 1 1 5D29EA17 P 4800 2900 AR Path="/5CF41639/5D29EA17" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D29EA17" Ref="#PWR?" Part="1" F 0 "#PWR?" H 4800 2750 50 0001 C CNN F 1 "VCC" H 4817 3073 50 0000 C CNN F 2 "" H 4800 2900 50 0001 C CNN F 3 "" H 4800 2900 50 0001 C CNN 1 4800 2900 1 0 0 -1 $EndComp Wire Wire Line 4800 2900 4800 3000 $Comp L power:GNDD #PWR? U 1 1 5D2B29AB P 2900 2850 AR Path="/5CF41639/5D2B29AB" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D2B29AB" Ref="#PWR?" Part="1" F 0 "#PWR?" H 2900 2600 50 0001 C CNN F 1 "GNDD" H 2904 2695 50 0000 C CNN F 2 "" H 2900 2850 50 0001 C CNN F 3 "" H 2900 2850 50 0001 C CNN 1 2900 2850 1 0 0 -1 $EndComp Wire Wire Line 2900 2850 2900 2800 Wire Wire Line 2900 2800 3100 2800 Wire Wire Line 3100 2800 3100 3100 $Comp L power:VCC #PWR? U 1 1 5D2B7E69 P 3300 3000 AR Path="/5CF41639/5D2B7E69" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D2B7E69" Ref="#PWR?" Part="1" F 0 "#PWR?" H 3300 2850 50 0001 C CNN F 1 "VCC" H 3317 3173 50 0000 C CNN F 2 "" H 3300 3000 50 0001 C CNN F 3 "" H 3300 3000 50 0001 C CNN 1 3300 3000 1 0 0 -1 $EndComp Wire Wire Line 3300 3000 3300 3100 Wire Wire Line 3700 4400 2450 4400 $Comp L power:GNDD #PWR? U 1 1 5D2CD01F P 2900 4450 AR Path="/5CF41639/5D2CD01F" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D2CD01F" Ref="#PWR?" Part="1" F 0 "#PWR?" H 2900 4200 50 0001 C CNN F 1 "GNDD" H 2904 4295 50 0000 C CNN F 2 "" H 2900 4450 50 0001 C CNN F 3 "" H 2900 4450 50 0001 C CNN 1 2900 4450 1 0 0 -1 $EndComp Wire Wire Line 2900 4450 3100 4450 Wire Wire Line 3100 4450 3100 4650 $Comp L power:VCC #PWR? U 1 1 5D2D1794 P 3300 4550 AR Path="/5CF41639/5D2D1794" Ref="#PWR?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D2D1794" Ref="#PWR?" Part="1" F 0 "#PWR?" H 3300 4400 50 0001 C CNN F 1 "VCC" H 3317 4723 50 0000 C CNN F 2 "" H 3300 4550 50 0001 C CNN F 3 "" H 3300 4550 50 0001 C CNN 1 3300 4550 1 0 0 -1 $EndComp Wire Wire Line 3300 4550 3300 4650 Text Label 3950 3100 0 50 ~ 0 lut_in3_n Wire Wire Line 8100 900 8100 3850 Wire Wire Line 2000 900 8100 900 Text Label 8150 4600 0 50 ~ 0 async_b Wire Wire Line 8500 4600 8150 4600 Text Label 8150 4700 0 50 ~ 0 async_b Wire Wire Line 8500 4700 8150 4700 Text HLabel 10000 4650 2 50 Output ~ 0 lut_out_b_async Wire Wire Line 10000 4650 9600 4650 Text HLabel 2000 1000 0 50 Input ~ 0 cfg_split_n Wire Wire Line 2000 1000 3950 1000 Wire Wire Line 3950 1000 3950 1900 Connection ~ 3950 1900 Wire Wire Line 3950 1900 3950 3100 $Comp L Device:R R? U 1 1 5D748DEE P 3250 2150 AR Path="/5CF41639/5D748DEE" Ref="R?" Part="1" AR Path="/5D77FDBE/5D7AF013/5D748DEE" Ref="R?" Part="1" F 0 "R?" V 3043 2150 50 0000 C CNN F 1 "10k" V 3134 2150 50 0000 C CNN F 2 "" V 3180 2150 50 0001 C CNN F 3 "~" H 3250 2150 50 0001 C CNN 1 3250 2150 0 -1 1 0 $EndComp Wire Wire Line 3100 2150 3000 2150 Wire Wire Line 3400 2150 3500 2150 Wire Bus Line 2000 2700 3850 2700 Wire Bus Line 3850 2700 3850 4950 Text Notes 1850 1250 0 50 ~ 0 TODO: MUX B needs to be\npermanently enabled for split mode $EndSCHEMATC