sch/brd: import design from 2022-07-27
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11336
hdmi_firewall.lht
11336
hdmi_firewall.lht
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@ -1,5 +1,5 @@
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v 20211219 2
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C 2400 3300 1 0 0 5V.sym
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v 20210626 2
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C 2400 3500 1 0 0 5V.sym
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C 2800 4100 1 0 0 GND.sym
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C 6100 0 1 0 0 title.sym
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{
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@ -10,7 +10,7 @@ org=CuVoodoo
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T 10400 400 5 10 1 1 0 0 1
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authors=King Kévin
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T 9100 1200 5 14 1 1 0 4 1
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title=HDMI firewall
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title=HDMI firewall dongle
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T 7100 400 5 10 1 1 0 0 1
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version=$version$
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T 7100 100 5 10 1 1 0 0 1
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@ -22,30 +22,19 @@ device=none
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T 6100 2000 5 10 0 0 0 0 1
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footprint=none
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}
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C 7600 8900 1 0 0 switch-spdt-1.sym
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{
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T 8000 9700 5 10 0 0 0 0 1
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device=SPDT
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T 8000 9500 5 10 1 1 0 0 1
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refdes=S1
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T 7300 8600 5 10 0 1 0 0 1
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value=XKB_SK-3296S-01
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T 8300 9100 5 10 0 1 0 0 1
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footprint=MECHANICAL_XKB_SK-3296S-01.lht
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}
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T 100 10500 9 10 1 0 0 0 2
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based on the research of Pierre-Michel RICORDEL and José LOPES-ESTEVES from ANSSI/SDE/ST/LSF
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based on the reseach of Pierre-Michel RICORDEL and José LOPES-ESTEVES from ANSSI/SDE/ST/LSF
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https://sstic.org/2021/presentation/un_pare_feu_pour_le_hdmi/
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C 2700 2400 1 90 0 resistor-1.sym
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C 2700 2600 1 90 0 resistor-1.sym
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{
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T 2300 2700 5 10 0 0 90 0 1
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T 2300 2900 5 10 0 0 90 0 1
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device=RESISTOR
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T 2800 3000 5 10 1 1 0 0 1
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T 2800 3200 5 10 1 1 0 0 1
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refdes=R3
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T 2700 2400 5 10 0 0 0 0 1
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T 2700 2600 5 10 0 0 0 0 1
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footprint=RESC1608X55N.lht
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T 2800 2800 5 10 1 1 0 0 1
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value=2k2-10k
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T 2800 3000 5 10 1 1 0 0 1
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value=1.5k-2k
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}
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C 3400 1000 1 0 0 FT24C16A-EL.sym
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{
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@ -55,6 +44,8 @@ T 3800 2660 5 10 1 1 0 0 1
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refdes=U1
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T 4460 1340 5 10 1 1 0 2 1
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device=FT24C16A-EL
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T 3400 1000 5 10 0 0 0 0 1
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lcsc-sku=C191945
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}
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C 3200 4100 1 0 0 GND.sym
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C 3600 4100 1 0 0 GND.sym
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@ -70,17 +61,8 @@ T 4560 4640 5 10 1 1 0 2 1
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device=HDMI-001S
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T 3900 8400 5 10 1 1 0 0 1
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value=untrusted device
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}
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C 11200 4300 1 0 1 HDMI-001S.sym
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{
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T 11200 4300 5 8 0 0 0 6 1
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footprint=CONNECTOR_HDMI-001S.lht
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T 10800 8360 5 10 1 1 0 6 1
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refdes=J2
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T 8240 4640 5 10 1 1 0 8 1
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device=HDMI-001S
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T 7400 8400 5 10 1 1 0 0 1
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value=protected monitor
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T 1600 4300 5 10 0 0 0 0 1
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lcsc-sku=C720616
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}
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C 8200 4100 1 0 0 GND.sym
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C 8600 4100 1 0 0 GND.sym
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@ -90,17 +72,17 @@ C 9800 4100 1 0 0 GND.sym
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C 4300 800 1 0 0 GND.sym
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C 4200 3000 1 0 0 5V.sym
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C 3500 8700 1 0 0 5V.sym
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C 2100 3300 1 0 0 5V.sym
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C 2400 2400 1 90 0 resistor-1.sym
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C 2100 3500 1 0 0 5V.sym
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C 2400 2600 1 90 0 resistor-1.sym
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{
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T 2000 2700 5 10 0 0 90 0 1
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T 2000 2900 5 10 0 0 90 0 1
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device=RESISTOR
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T 2100 3000 5 10 1 1 0 6 1
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T 2100 3200 5 10 1 1 0 6 1
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refdes=R2
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T 2400 2400 5 10 0 0 0 0 1
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T 2400 2600 5 10 0 0 0 0 1
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footprint=RESC1608X55N.lht
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T 2100 2800 5 10 1 1 0 6 1
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value=2k2-10k
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T 2100 3000 5 10 1 1 0 6 1
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value=1.5k-2k
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}
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C 400 6600 1 0 0 5V.sym
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C 700 5700 1 90 0 resistor-1.sym
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@ -145,52 +127,14 @@ value=100nF
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}
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C 9200 3000 1 0 0 5V.sym
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C 9300 1900 1 0 0 GND.sym
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C 3900 1000 1 180 0 resistor-1.sym
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{
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T 3600 600 5 10 0 0 180 0 1
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device=RESISTOR
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T 3200 1000 5 10 1 1 0 0 1
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refdes=R4
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T 3900 1000 5 10 0 0 0 0 1
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footprint=RESC1608X55N.lht
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T 3600 1000 5 10 1 1 0 0 1
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value=470-1k
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}
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C 3800 700 1 0 0 GND.sym
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C 900 1200 1 0 0 switch-spdt-1.sym
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{
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T 1300 2000 5 10 0 0 0 0 1
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device=SPDT
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T 1300 1800 5 10 1 1 0 0 1
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refdes=S2
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T 600 900 5 10 0 1 0 0 1
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value=XKB_SK-3296S-01
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T 1600 1400 5 10 0 1 0 0 1
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footprint=MECHANICAL_XKB_SK-3296S-01.lht
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}
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C 700 1400 1 0 0 5V.sym
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N 1800 1600 3400 1600 4
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N 2600 900 3000 900 4
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C 1800 1100 1 0 0 nc-right-1.sym
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{
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T 1900 1600 5 10 0 0 0 0 1
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value=NoConnection
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T 1900 1800 5 10 0 0 0 0 1
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device=DRC_Directive
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T 1900 2400 5 10 0 0 0 0 1
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symversion=1.1
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}
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C 1400 2500 1 0 0 5V.sym
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N 1300 1600 3400 1600 4
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N 3400 2000 2300 2000 4
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{
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T 3300 2000 5 10 1 1 0 6 1
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netname=SDA
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}
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N 2300 2000 2300 2400 4
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N 3400 2400 2600 2400 4
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{
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T 3300 2400 5 10 1 1 0 6 1
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netname=SCL
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}
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N 2300 2000 2300 2600 4
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N 1600 6500 1000 6500 4
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{
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T 1400 6500 5 10 1 1 0 6 1
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@ -264,18 +208,7 @@ device=DRC_Directive
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T 11300 6900 5 10 0 0 0 0 1
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symversion=1.1
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}
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C 7400 9100 1 0 0 5V.sym
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C 8500 8800 1 0 0 nc-right-1.sym
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{
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T 8600 9300 5 10 0 0 0 0 1
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value=NoConnection
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T 8600 9500 5 10 0 0 0 0 1
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device=DRC_Directive
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T 8600 10100 5 10 0 0 0 0 1
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symversion=1.1
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}
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N 8500 9300 9100 9300 4
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N 9100 9300 9100 8700 4
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C 8900 10000 1 0 0 5V.sym
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N 5800 7900 7000 7900 4
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{
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T 6200 7900 5 10 1 1 0 0 1
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@ -316,17 +249,17 @@ N 7000 5100 5800 5100 4
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T 6500 5100 5 10 1 1 0 6 1
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netname=CK-
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}
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T 700 700 9 10 1 0 0 0 1
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LED ON = WP ON
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B 0 0 12100 11000 3 10 1 0 -1 -1 0 -1 -1 -1 -1 -1
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T 100 9600 9 10 1 0 0 0 4
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- only video (and sound) are forwarded
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- DDC limited to statically programmed EDID
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- HPD, CEC, HEAC (ARC/HEC), CBUS (MHL) are blocked
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- HDCP is not supported (DDC blocked)
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T 9300 9000 9 10 1 0 0 0 2
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allow 5V forward if monitor
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does not detect device
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- HDCP is not supported (limited DDC)
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T 9500 8900 9 10 1 0 0 0 4
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allows 5V forward if monitor
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does not detect device.
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cut trace between pads
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for ultimate security
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T 600 5000 9 10 1 0 0 0 3
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indicates
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monitor
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@ -338,16 +271,66 @@ T 9700 2800 9 10 1 0 0 0 3
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decoupling
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capacitors:
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U1-VCC, J1-5V
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C 2400 1500 1 270 0 LED0603.sym
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N 9100 10000 9100 9800 4
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N 9100 8800 9100 8700 4
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N 9100 9800 9400 9800 4
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N 9400 9800 9400 8800 4
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N 9400 8800 9100 8800 4
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C 11200 4300 1 0 1 HYC109-HDMIA19-160.sym
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{
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T 2400 1500 5 8 0 0 270 0 1
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footprint=LEDC1608X90N.lht
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T 2900 1360 5 10 1 1 0 3 1
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refdes=D1
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T 2440 1300 5 10 0 1 270 5 1
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device=LED0603
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T 2800 1200 5 10 1 1 0 0 1
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value=LED
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T 11200 4300 5 8 0 0 0 6 1
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footprint=CONNECTOR_HYC109-HDMIA19-160.lht
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T 10800 8360 5 10 1 1 0 6 1
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refdes=J2
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T 8240 4640 5 10 1 1 0 8 1
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device=HYC109-HDMIA19-160
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T 7400 8400 5 10 1 1 0 0 1
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value=monitor
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T 11200 4300 5 10 0 0 0 0 1
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lcsc-sku=C711355
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}
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C 1500 400 1 0 0 GND.sym
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C 1700 1600 1 90 0 resistor-1.sym
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{
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T 1300 1900 5 10 0 0 90 0 1
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device=RESISTOR
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T 1800 2000 5 10 1 1 0 0 1
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refdes=R4
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T 1700 1600 5 10 0 0 270 0 1
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footprint=RESC1608X55N.lht
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T 1800 1800 5 10 1 1 0 0 1
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value=10k-100k
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}
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N 3400 2400 2600 2400 4
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{
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T 3300 2400 5 10 1 1 0 6 1
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netname=SCL
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}
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N 2600 2400 2600 2600 4
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N 1300 1600 1300 600 4
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N 1300 600 1600 600 4
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T 1100 400 9 10 1 0 90 0 2
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cut trace between pads
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to enable write protection
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C 9200 8800 1 0 1 jumper-1.sym
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{
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T 8900 9300 5 8 0 0 0 6 1
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device=JUMPER
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T 8900 9400 5 10 1 1 0 6 1
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refdes=R5
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T 9200 8800 5 10 0 0 0 6 1
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footprint=RESC1608X55N.lht
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T 9400 9700 5 10 1 1 270 2 1
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value=CUTLINK
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}
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C 1500 600 1 0 0 jumper-1.sym
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{
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T 1800 1100 5 8 0 0 0 0 1
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device=JUMPER
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T 1700 1200 5 10 1 1 0 0 1
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refdes=R6
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T 1500 600 5 10 0 0 0 0 1
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footprint=RESC1608X55N.lht
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T 1500 700 5 10 1 1 90 0 1
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value=CUTLINK
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}
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N 2600 1600 2600 1500 4
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N 2600 1100 2600 900 4
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