Apple-1-HW/RC6502-Apple-1-Replica
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RC6502-Apple-1-Replica/RC6502 ROM/RC6502 ROM.net
Unknown d51d4028a6 ROM revision B 
JP5 inside U3 footprint is used to designate wether paging hardware is installed or not (skip  C3 and U3).
2017-06-09 19:10:10 +02:00

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(export (version D)
(design
(source "D:/ownCloud/Documents/Projects/RC6502/RC6502 ROM/RC6502 ROM.sch")
(date "09/06/2017 18:56:28")
(tool "Eeschema 4.0.6")
(sheet (number 1) (name /) (tstamps /)
(title_block
(title)
(company)
(rev)
(date)
(source "RC6502 ROM.sch")
(comment (number 1) (value ""))
(comment (number 2) (value ""))
(comment (number 3) (value ""))
(comment (number 4) (value "")))))
(components
(comp (ref R1)
(value 10k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R))
(sheetpath (names /) (tstamps /))
(tstamp 590BED30))
(comp (ref J1)
(value CONN_01X39)
(footprint Pin_Headers:Pin_Header_Angled_1x39_Pitch2.54mm)
(libsource (lib conn) (part CONN_01X39))
(sheetpath (names /) (tstamps /))
(tstamp 590B4CA1))
(comp (ref C1)
(value 100nF)
(footprint Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm)
(libsource (lib device) (part C))
(sheetpath (names /) (tstamps /))
(tstamp 590DFF39))
(comp (ref C2)
(value 100nF)
(footprint Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm)
(libsource (lib device) (part C))
(sheetpath (names /) (tstamps /))
(tstamp 590E0960))
(comp (ref U1)
(value 28C256)
(footprint Housings_DIP:DIP-28_W15.24mm_Socket_LongPads)
(libsource (lib memory) (part 28C256))
(sheetpath (names /) (tstamps /))
(tstamp 590E7B25))
(comp (ref JP1)
(value "A13 Select")
(footprint Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm)
(libsource (lib device) (part Jumper_NC_Dual))
(sheetpath (names /) (tstamps /))
(tstamp 590E953F))
(comp (ref JP2)
(value "A14 Select")
(footprint Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm)
(libsource (lib device) (part Jumper_NC_Dual))
(sheetpath (names /) (tstamps /))
(tstamp 590E964A))
(comp (ref U2)
(value 74HCT00)
(footprint Housings_DIP:DIP-14_W7.62mm_Socket)
(libsource (lib 74xx) (part 74HCT00))
(sheetpath (names /) (tstamps /))
(tstamp 590F02B0))
(comp (ref JP4)
(value "Bus enable")
(footprint Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm)
(libsource (lib device) (part Jumper_NO_Small))
(sheetpath (names /) (tstamps /))
(tstamp 590F391B))
(comp (ref JP3)
(value "Page PullDown")
(footprint Pin_Headers:Pin_Header_Angled_1x02_Pitch2.54mm)
(libsource (lib device) (part Jumper_NC_Small))
(sheetpath (names /) (tstamps /))
(tstamp 590F4210))
(comp (ref U3)
(value 74HCT00)
(footprint Housings_DIP:DIP-14_W7.62mm_Socket)
(libsource (lib 74xx) (part 74HCT00))
(sheetpath (names /) (tstamps /))
(tstamp 59101698))
(comp (ref C3)
(value 100nF)
(footprint Capacitors_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm)
(libsource (lib device) (part C))
(sheetpath (names /) (tstamps /))
(tstamp 59106500))
(comp (ref R2)
(value 3.3k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R))
(sheetpath (names /) (tstamps /))
(tstamp 5910A54B))
(comp (ref JP5)
(value "Page mode")
(footprint Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm)
(libsource (lib device) (part Jumper_NC_Dual))
(sheetpath (names /) (tstamps /))
(tstamp 592A3680)))
(libparts
(libpart (lib memory) (part 28C256)
(description "EEROM 32Kx8bits")
(docs memory/28c256.pdf)
(fields
(field (name Reference) U)
(field (name Value) 28C256))
(pins
(pin (num 1) (name A14) (type input))
(pin (num 2) (name A12) (type input))
(pin (num 3) (name A7) (type input))
(pin (num 4) (name A6) (type input))
(pin (num 5) (name A5) (type input))
(pin (num 6) (name A4) (type input))
(pin (num 7) (name A3) (type input))
(pin (num 8) (name A2) (type input))
(pin (num 9) (name A1) (type input))
(pin (num 10) (name A0) (type input))
(pin (num 11) (name D0) (type 3state))
(pin (num 12) (name D1) (type 3state))
(pin (num 13) (name D2) (type 3state))
(pin (num 14) (name GND) (type power_in))
(pin (num 15) (name D3) (type 3state))
(pin (num 16) (name D4) (type 3state))
(pin (num 17) (name D5) (type 3state))
(pin (num 18) (name D6) (type 3state))
(pin (num 19) (name D7) (type 3state))
(pin (num 20) (name CS) (type input))
(pin (num 21) (name A10) (type input))
(pin (num 22) (name OE) (type input))
(pin (num 23) (name A11) (type input))
(pin (num 24) (name A9) (type input))
(pin (num 25) (name A8) (type input))
(pin (num 26) (name A13) (type input))
(pin (num 27) (name WE) (type input))
(pin (num 28) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS00)
(aliases
(alias 74LS37)
(alias 7400)
(alias 74HCT00)
(alias 74HC00))
(description "Quad nand2")
(footprints
(fp 14DIP300*)
(fp SO14*))
(fields
(field (name Reference) U)
(field (name Value) 74LS00))
(pins
(pin (num 1) (name ~) (type input))
(pin (num 2) (name ~) (type input))
(pin (num 3) (name ~) (type output))
(pin (num 4) (name ~) (type input))
(pin (num 5) (name ~) (type input))
(pin (num 6) (name ~) (type output))
(pin (num 7) (name GND) (type power_in))
(pin (num 8) (name ~) (type output))
(pin (num 9) (name ~) (type input))
(pin (num 10) (name ~) (type input))
(pin (num 11) (name ~) (type output))
(pin (num 12) (name ~) (type input))
(pin (num 13) (name ~) (type input))
(pin (num 14) (name VCC) (type power_in))))
(libpart (lib device) (part C)
(description "Unpolarized capacitor")
(footprints
(fp C_*))
(fields
(field (name Reference) C)
(field (name Value) C))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))))
(libpart (lib conn) (part CONN_01X39)
(description "Connector, single row, 01x39, pin header")
(footprints
(fp Pin_Header_Straight_1X*)
(fp Pin_Header_Angled_1X*)
(fp Socket_Strip_Straight_1X*)
(fp Socket_Strip_Angled_1X*))
(fields
(field (name Reference) J)
(field (name Value) CONN_01X39))
(pins
(pin (num 1) (name P1) (type passive))
(pin (num 2) (name P2) (type passive))
(pin (num 3) (name P3) (type passive))
(pin (num 4) (name P4) (type passive))
(pin (num 5) (name P5) (type passive))
(pin (num 6) (name P6) (type passive))
(pin (num 7) (name P7) (type passive))
(pin (num 8) (name P8) (type passive))
(pin (num 9) (name P9) (type passive))
(pin (num 10) (name P10) (type passive))
(pin (num 11) (name P11) (type passive))
(pin (num 12) (name P12) (type passive))
(pin (num 13) (name P13) (type passive))
(pin (num 14) (name P14) (type passive))
(pin (num 15) (name P15) (type passive))
(pin (num 16) (name P16) (type passive))
(pin (num 17) (name P17) (type passive))
(pin (num 18) (name P18) (type passive))
(pin (num 19) (name P19) (type passive))
(pin (num 20) (name P20) (type passive))
(pin (num 21) (name P21) (type passive))
(pin (num 22) (name P22) (type passive))
(pin (num 23) (name P23) (type passive))
(pin (num 24) (name P24) (type passive))
(pin (num 25) (name P25) (type passive))
(pin (num 26) (name P26) (type passive))
(pin (num 27) (name P27) (type passive))
(pin (num 28) (name P28) (type passive))
(pin (num 29) (name P29) (type passive))
(pin (num 30) (name P30) (type passive))
(pin (num 31) (name P31) (type passive))
(pin (num 32) (name P32) (type passive))
(pin (num 33) (name P33) (type passive))
(pin (num 34) (name P34) (type passive))
(pin (num 35) (name P35) (type passive))
(pin (num 36) (name P36) (type passive))
(pin (num 37) (name P37) (type passive))
(pin (num 38) (name P38) (type passive))
(pin (num 39) (name P39) (type passive))))
(libpart (lib device) (part Jumper_NC_Dual)
(description "Dual Jumper, normally closed")
(fields
(field (name Reference) JP)
(field (name Value) Jumper_NC_Dual))
(pins
(pin (num 1) (name 1) (type passive))
(pin (num 2) (name 2) (type passive))
(pin (num 3) (name 3) (type passive))))
(libpart (lib device) (part Jumper_NC_Small)
(description "Jumper, normally closed")
(fields
(field (name Reference) JP)
(field (name Value) Jumper_NC_Small))
(pins
(pin (num 1) (name 1) (type passive))
(pin (num 2) (name 2) (type passive))))
(libpart (lib device) (part Jumper_NO_Small)
(description "Jumper, normally open")
(fields
(field (name Reference) JP)
(field (name Value) Jumper_NO_Small))
(pins
(pin (num 1) (name 1) (type passive))
(pin (num 2) (name 2) (type passive))))
(libpart (lib device) (part R)
(description Resistor)
(footprints
(fp R_*)
(fp R_*))
(fields
(field (name Reference) R)
(field (name Value) R))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive)))))
(libraries
(library (logical memory)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library\\memory.lib"))
(library (logical 74xx)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library\\74xx.lib"))
(library (logical device)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library\\device.lib"))
(library (logical conn)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library\\conn.lib")))
(nets
(net (code 1) (name "Net-(JP3-Pad2)")
(node (ref JP3) (pin 2))
(node (ref R1) (pin 2)))
(net (code 2) (name "Net-(J1-Pad39)")
(node (ref J1) (pin 39))
(node (ref JP4) (pin 2)))
(net (code 3) (name VCC)
(node (ref C3) (pin 1))
(node (ref R2) (pin 2))
(node (ref C2) (pin 1))
(node (ref JP1) (pin 1))
(node (ref J1) (pin 18))
(node (ref U3) (pin 14))
(node (ref C1) (pin 1))
(node (ref JP2) (pin 1))
(node (ref U2) (pin 14))
(node (ref U1) (pin 28)))
(net (code 4) (name GND)
(node (ref U3) (pin 13))
(node (ref C1) (pin 2))
(node (ref C3) (pin 2))
(node (ref U3) (pin 12))
(node (ref U3) (pin 9))
(node (ref U1) (pin 14))
(node (ref U3) (pin 10))
(node (ref JP2) (pin 3))
(node (ref JP1) (pin 3))
(node (ref J1) (pin 17))
(node (ref U2) (pin 7))
(node (ref R1) (pin 1))
(node (ref U3) (pin 7))
(node (ref C2) (pin 2)))
(net (code 5) (name "Net-(U2-Pad3)")
(node (ref U3) (pin 1))
(node (ref U2) (pin 3)))
(net (code 6) (name CS_IN)
(node (ref U2) (pin 2))
(node (ref U2) (pin 1))
(node (ref U2) (pin 6))
(node (ref JP5) (pin 3)))
(net (code 7) (name PAGE_EN)
(node (ref JP4) (pin 1))
(node (ref JP3) (pin 1))
(node (ref U3) (pin 4))
(node (ref U3) (pin 5)))
(net (code 8) (name A14)
(node (ref U2) (pin 12))
(node (ref J1) (pin 2)))
(net (code 9) (name "Net-(U2-Pad5)")
(node (ref U2) (pin 8))
(node (ref U2) (pin 5)))
(net (code 10) (name A15)
(node (ref J1) (pin 1))
(node (ref U2) (pin 13)))
(net (code 11) (name "Net-(U2-Pad10)")
(node (ref U2) (pin 9))
(node (ref U2) (pin 10))
(node (ref U2) (pin 11)))
(net (code 12) (name A13)
(node (ref J1) (pin 3))
(node (ref U2) (pin 4)))
(net (code 13) (name "Net-(U3-Pad11)")
(node (ref U3) (pin 11)))
(net (code 14) (name CS)
(node (ref U1) (pin 20))
(node (ref JP5) (pin 2))
(node (ref U1) (pin 22)))
(net (code 15) (name "Net-(JP5-Pad1)")
(node (ref JP5) (pin 1))
(node (ref U3) (pin 3)))
(net (code 16) (name "Net-(R2-Pad1)")
(node (ref U1) (pin 27))
(node (ref R2) (pin 1)))
(net (code 17) (name "Net-(U3-Pad8)")
(node (ref U3) (pin 8)))
(net (code 18) (name "Net-(U3-Pad2)")
(node (ref U3) (pin 2))
(node (ref U3) (pin 6)))
(net (code 19) (name "Net-(J1-Pad19)")
(node (ref J1) (pin 19)))
(net (code 20) (name "Net-(J1-Pad24)")
(node (ref J1) (pin 24)))
(net (code 22) (name "Net-(J1-Pad36)")
(node (ref J1) (pin 36)))
(net (code 23) (name D5)
(node (ref U1) (pin 17))
(node (ref J1) (pin 32)))
(net (code 24) (name "Net-(J1-Pad22)")
(node (ref J1) (pin 22)))
(net (code 25) (name "Net-(J1-Pad21)")
(node (ref J1) (pin 21)))
(net (code 26) (name "Net-(J1-Pad20)")
(node (ref J1) (pin 20)))
(net (code 27) (name "Net-(J1-Pad35)")
(node (ref J1) (pin 35)))
(net (code 28) (name "Net-(J1-Pad26)")
(node (ref J1) (pin 26)))
(net (code 29) (name "Net-(J1-Pad37)")
(node (ref J1) (pin 37)))
(net (code 30) (name A8)
(node (ref U1) (pin 25))
(node (ref J1) (pin 8)))
(net (code 31) (name D3)
(node (ref J1) (pin 30))
(node (ref U1) (pin 15)))
(net (code 32) (name A9)
(node (ref J1) (pin 7))
(node (ref U1) (pin 24)))
(net (code 33) (name A11)
(node (ref J1) (pin 5))
(node (ref U1) (pin 23)))
(net (code 34) (name A10)
(node (ref J1) (pin 6))
(node (ref U1) (pin 21)))
(net (code 35) (name D4)
(node (ref J1) (pin 31))
(node (ref U1) (pin 16)))
(net (code 36) (name A0)
(node (ref J1) (pin 16))
(node (ref U1) (pin 10)))
(net (code 37) (name A1)
(node (ref J1) (pin 15))
(node (ref U1) (pin 9)))
(net (code 38) (name A2)
(node (ref U1) (pin 8))
(node (ref J1) (pin 14)))
(net (code 39) (name A3)
(node (ref U1) (pin 7))
(node (ref J1) (pin 13)))
(net (code 40) (name A4)
(node (ref U1) (pin 6))
(node (ref J1) (pin 12)))
(net (code 41) (name A5)
(node (ref U1) (pin 5))
(node (ref J1) (pin 11)))
(net (code 42) (name A6)
(node (ref J1) (pin 10))
(node (ref U1) (pin 4)))
(net (code 43) (name A7)
(node (ref U1) (pin 3))
(node (ref J1) (pin 9)))
(net (code 44) (name A14_W)
(node (ref U1) (pin 1))
(node (ref JP2) (pin 2)))
(net (code 45) (name A12)
(node (ref J1) (pin 4))
(node (ref U1) (pin 2)))
(net (code 46) (name A13_W)
(node (ref U1) (pin 26))
(node (ref JP1) (pin 2)))
(net (code 47) (name D7)
(node (ref U1) (pin 19))
(node (ref J1) (pin 34)))
(net (code 48) (name D6)
(node (ref J1) (pin 33))
(node (ref U1) (pin 18)))
(net (code 49) (name "Net-(J1-Pad38)")
(node (ref J1) (pin 38)))
(net (code 50) (name D1)
(node (ref J1) (pin 28))
(node (ref U1) (pin 12)))
(net (code 51) (name D0)
(node (ref U1) (pin 11))
(node (ref J1) (pin 27)))
(net (code 52) (name "Net-(J1-Pad25)")
(node (ref J1) (pin 25)))
(net (code 53) (name "Net-(J1-Pad23)")
(node (ref J1) (pin 23)))
(net (code 54) (name D2)
(node (ref U1) (pin 13))
(node (ref J1) (pin 29)))))
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