gigatron/kicad/Gigatron.net
2025-01-28 19:17:01 +03:00

2777 lines
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(export (version D)
(design
(source "/Users/marcelk/Projects/Gigatron-1/Boards/Gigatron PCB Open Source/Kicad/Gigatron.sch")
(date "2020 March 20, Friday 13:48:33")
(tool "Eeschema 4.0.6")
(sheet (number 1) (name /) (tstamps /)
(title_block
(title "Gigatron TTL microcomputer")
(company "Marcel van Kervinck and Walter Belgers")
(rev Release)
(date 2020-03-20)
(source Gigatron.sch)
(comment (number 1) (value "(2) For the clock 74HCT always gives the most desirable duty cycle and reliability."))
(comment (number 2) (value "E.g. when replacing the OUT register with 74LS, adjust the RGB resistors accordingly."))
(comment (number 3) (value "74LS or 74HC. Two notes to keep in mind: (1) 74LS uses more power and has lower V_OH."))
(comment (number 4) (value "These schematics use 74HCT but most components can be replaced directly with either"))))
(sheet (number 2) (name /PCR/) (tstamps /5973D59C/)
(title_block
(title "Gigatron Power, Clock and Reset")
(company "Marcel van Kervinck and Walter Belgers")
(rev Release)
(date 2020-03-20)
(source PCR.sch)
(comment (number 1) (value "(POR) supervisory circuit holds /RESET low for 350ms during power up and brown outs."))
(comment (number 2) (value "clock phase. This is useful for the /WE pulse derived from it. (3) The Power-On Reset"))
(comment (number 3) (value "(2) The oscillator generates 6.25MHz square waves. The HCT-inverter gives a long 2nd"))
(comment (number 4) (value "(1) Power comes from the +5V that a USB charger provides. The data lines are not used."))))
(sheet (number 3) (name /PRG/) (tstamps /5973FC22/)
(title_block
(title "Gigatron Instruction Fetch")
(company "Marcel van Kervinck and Walter Belgers")
(rev Release)
(date 2020-03-20)
(source PRG.sch)
(comment (number 1) (value "When there is no branching, the memory space is linear and PC will cross page boundaries."))
(comment (number 2) (value "Unconditional jumps go to any location in program memory."))
(comment (number 3) (value "Conditional branches can go to any location within the current 256-word page."))
(comment (number 4) (value "The 16-bit program counter (PC) normally increments by one for every clock cycle."))))
(sheet (number 4) (name /CU/) (tstamps /597406FC/)
(title_block
(title "Gigatron Control Unit")
(company "Marcel van Kervinck and Walter Belgers")
(rev Release)
(date 2020-03-20)
(source CU.sch)
(comment (number 1) (value "Bit 5-7 determine the operation performed by the ALU and the type of instruction."))
(comment (number 2) (value "Bit 2-4 select the addressing mode during operations, or the condition during branches."))
(comment (number 3) (value "Bit 0-1 control what is on the data bus: operand (D), RAM, accumulator or input."))
(comment (number 4) (value "The control unit expands 8-bit opcodes (IR) to 19 control lines. The scheme is orthogonal:"))))
(sheet (number 5) (name /RAM/) (tstamps /5974E971/)
(title_block
(title "Gigatron Memory and Address Unit")
(company "Marcel van Kervinck and Walter Belgers")
(rev Release)
(date 2020-03-20)
(source RAM.sch)
(comment (number 1) (value "The high address byte is either zero or comes from the user Y register."))
(comment (number 2) (value "The low address byte originates either from the operand (D) or from the user X register"))
(comment (number 3) (value "The address unit can create addresses in four different ways, as shown in the table."))
(comment (number 4) (value "For speed and simplicity the memory addressing space is two-dimensional."))))
(sheet (number 6) (name /ALU/) (tstamps /5974E9BA/)
(title_block
(title "Gigatron Arithmetic and Logic Unit")
(company "Marcel van Kervinck and Walter Belgers")
(rev Release)
(date 2020-03-20)
(source ALU.sch)
(comment (number 1) (value ""))
(comment (number 2) (value "starting from http://6502.org/users/dieter/a1/a1_4.htm"))
(comment (number 3) (value "many 1970s minicomputers. This design is inspired by Dieter Mueller's excellent notes"))
(comment (number 4) (value "This unit is the equivalent of two large 4-bit 74181 ALU chips that were at the heart of"))))
(sheet (number 7) (name /REG/) (tstamps /597406F7/)
(title_block
(title "Gigatron User Registers")
(company "Marcel van Kervinck and Walter Belgers")
(rev Release)
(date 2020-03-20)
(source REG.sch)
(comment (number 1) (value "Only AC can write back to the bus and memory, the others are effectively write-only."))
(comment (number 2) (value "Y is also used by the JMP instruction. OUT is the primary output register. "))
(comment (number 3) (value "AC is the accumulator for calculations. X and Y are used to form memory addresses. "))
(comment (number 4) (value "Besides PC there are four user registers: AC, X, Y and OUT, each has 8-bits."))))
(sheet (number 8) (name /PER/) (tstamps /597C3931/)
(title_block
(title "Gigatron Peripherals")
(company "Marcel van Kervinck and Walter Belgers")
(rev Release)
(date 2020-03-20)
(source PER.sch)
(comment (number 1) (value "/HSYNC and /VSYNC double as clocks for the game controller and receiving shift register."))
(comment (number 2) (value "XOUT drives 4 blinkenlights and simple 4-bits audio. The waveform comes from software."))
(comment (number 3) (value "XOUT is controlled indirectly through /HSYNC and AC. On a positive edge it clocks in AC."))
(comment (number 4) (value "OUT gives 6 color bits and 2 sync bits for VGA. XOUT is the extended output register.")))))
(components
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(fields
(field (name Description) "CONN JACK STEREO R/A 3PIN 3.5MM")
(field (name MF_Name) CUI)
(field (name MF_PN) SJ1-3523N)
(field (name S1_Name) Digikey)
(field (name S1_PN) CP1-3523N-ND))
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(tstamp 59E7A583)))
(libparts
(libpart (lib Gigatron-parts) (part 27C1024)
(fields
(field (name Reference) U)
(field (name Value) 27C1024))
(pins
(pin (num 1) (name VPP) (type power_in))
(pin (num 2) (name ~CE) (type input))
(pin (num 3) (name DQ15) (type 3state))
(pin (num 4) (name DQ14) (type 3state))
(pin (num 5) (name DQ13) (type 3state))
(pin (num 6) (name DQ12) (type 3state))
(pin (num 7) (name DQ11) (type 3state))
(pin (num 8) (name DQ10) (type 3state))
(pin (num 9) (name DQ9) (type 3state))
(pin (num 10) (name DQ8) (type 3state))
(pin (num 11) (name GND) (type power_in))
(pin (num 12) (name DQ7) (type 3state))
(pin (num 13) (name DQ6) (type 3state))
(pin (num 14) (name DQ5) (type 3state))
(pin (num 15) (name DQ4) (type 3state))
(pin (num 16) (name DQ3) (type 3state))
(pin (num 17) (name DQ2) (type 3state))
(pin (num 18) (name DQ1) (type 3state))
(pin (num 19) (name DQ0) (type 3state))
(pin (num 20) (name ~OE) (type input))
(pin (num 21) (name A0) (type input))
(pin (num 22) (name A1) (type input))
(pin (num 23) (name A2) (type input))
(pin (num 24) (name A3) (type input))
(pin (num 25) (name A4) (type input))
(pin (num 26) (name A5) (type input))
(pin (num 27) (name A6) (type input))
(pin (num 28) (name A7) (type input))
(pin (num 29) (name A8) (type input))
(pin (num 30) (name GND) (type power_in))
(pin (num 31) (name A9) (type input))
(pin (num 32) (name A10) (type input))
(pin (num 33) (name A11) (type input))
(pin (num 34) (name A12) (type input))
(pin (num 35) (name A13) (type power_in))
(pin (num 36) (name A14) (type input))
(pin (num 37) (name A15) (type input))
(pin (num 38) (name ~) (type NotConnected))
(pin (num 39) (name ~PGM) (type input))
(pin (num 40) (name VCC) (type power_in))))
(libpart (lib Gigatron-parts) (part 4605X-101-222LF)
(fields
(field (name Reference) R)
(field (name Value) 4605X-101-222LF))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))
(pin (num 3) (name ~) (type passive))
(pin (num 4) (name ~) (type passive))
(pin (num 5) (name ~) (type passive))))
(libpart (lib Gigatron-parts) (part 4606X-R2R-103LF)
(fields
(field (name Reference) R)
(field (name Value) 4606X-R2R-103LF))
(pins
(pin (num 1) (name OUT) (type output))
(pin (num 2) (name D3) (type input))
(pin (num 3) (name D2) (type input))
(pin (num 4) (name D1) (type input))
(pin (num 5) (name D0) (type input))
(pin (num 6) (name RT) (type input))))
(libpart (lib 54819-0519) (part 54819-0519)
(fields
(field (name Reference) J)
(field (name Value) 54819-0519)
(field (name Footprint) 54819-0519)
(field (name Datasheet) "0.88 USD")
(field (name Availability) Good)
(field (name MP) 54819-0519)
(field (name MF) Molex)
(field (name Description) "USB On-The-Go %28OTG%29 Mini-B Receptacle%2C Right Angle%2C Through Hole Solder Tails and Shell Tabs%2C Lead-Free")
(field (name Package) None))
(pins
(pin (num 1) (name VBUS) (type passive))
(pin (num 2) (name D-) (type passive))
(pin (num 3) (name D+) (type passive))
(pin (num 4) (name ID) (type passive))
(pin (num 5) (name GND) (type passive))
(pin (num S1) (name S1) (type passive))
(pin (num S2) (name S2) (type passive))))
(libpart (lib 74xx) (part 74HC595)
(aliases
(alias 74LS596)
(alias 74LS595))
(description "8 bits serial in // out Shift Register 3 State Out")
(docs 74xx/74HC595.pdf)
(fields
(field (name Reference) U)
(field (name Value) 74HC595))
(pins
(pin (num 1) (name QB) (type 3state))
(pin (num 2) (name QC) (type 3state))
(pin (num 3) (name QD) (type 3state))
(pin (num 4) (name QE) (type 3state))
(pin (num 5) (name QF) (type 3state))
(pin (num 6) (name QG) (type 3state))
(pin (num 7) (name QH) (type 3state))
(pin (num 8) (name GND) (type power_in))
(pin (num 9) (name ~QH) (type output))
(pin (num 10) (name SRCLR) (type input))
(pin (num 11) (name SRCLK) (type input))
(pin (num 12) (name RCLK) (type input))
(pin (num 13) (name G) (type input))
(pin (num 14) (name SER) (type input))
(pin (num 15) (name QA) (type 3state))
(pin (num 16) (name VCC) (type power_in))))
(libpart (lib Gigatron-parts) (part 74HCT04)
(description "Hex Inverter (pin 10 adapted for Gigatron clock)")
(fields
(field (name Reference) U)
(field (name Value) 74HCT04))
(pins
(pin (num 1) (name ~) (type input))
(pin (num 2) (name ~) (type 3state))
(pin (num 3) (name ~) (type input))
(pin (num 4) (name ~) (type 3state))
(pin (num 5) (name ~) (type input))
(pin (num 6) (name ~) (type 3state))
(pin (num 7) (name GND) (type power_in))
(pin (num 8) (name ~) (type 3state))
(pin (num 9) (name ~) (type input))
(pin (num 10) (name ~) (type 3state))
(pin (num 11) (name ~) (type input))
(pin (num 12) (name ~) (type 3state))
(pin (num 13) (name ~) (type input))
(pin (num 14) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS138)
(description "Decoder 3 to 8 (active low outputs)")
(fields
(field (name Reference) U)
(field (name Value) 74LS138))
(pins
(pin (num 1) (name A0) (type input))
(pin (num 2) (name A1) (type input))
(pin (num 3) (name A2) (type input))
(pin (num 4) (name E1) (type input))
(pin (num 5) (name E2) (type input))
(pin (num 6) (name E3) (type input))
(pin (num 7) (name O7) (type output))
(pin (num 8) (name GND) (type power_in))
(pin (num 9) (name O6) (type output))
(pin (num 10) (name O5) (type output))
(pin (num 11) (name O4) (type output))
(pin (num 12) (name O3) (type output))
(pin (num 13) (name O2) (type output))
(pin (num 14) (name O1) (type output))
(pin (num 15) (name O0) (type output))
(pin (num 16) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS139)
(description "Dual Decoder 1 of 4, Active low outputs")
(fields
(field (name Reference) U)
(field (name Value) 74LS139))
(pins
(pin (num 1) (name E) (type input))
(pin (num 2) (name A0) (type input))
(pin (num 3) (name A1) (type input))
(pin (num 4) (name O0) (type output))
(pin (num 5) (name O1) (type output))
(pin (num 6) (name O2) (type output))
(pin (num 7) (name O3) (type output))
(pin (num 8) (name GND) (type power_in))
(pin (num 9) (name O3) (type output))
(pin (num 10) (name O2) (type output))
(pin (num 11) (name O1) (type output))
(pin (num 12) (name O0) (type output))
(pin (num 13) (name A1) (type input))
(pin (num 14) (name A0) (type input))
(pin (num 15) (name E) (type input))
(pin (num 16) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS153)
(description "Dual Multiplexer 4 to 1")
(fields
(field (name Reference) U)
(field (name Value) 74LS153))
(pins
(pin (num 1) (name Ea) (type input))
(pin (num 2) (name S1) (type input))
(pin (num 3) (name I3a) (type input))
(pin (num 4) (name I2a) (type input))
(pin (num 5) (name I1a) (type input))
(pin (num 6) (name I0a) (type input))
(pin (num 7) (name Za) (type output))
(pin (num 8) (name GND) (type power_in))
(pin (num 9) (name Zb) (type output))
(pin (num 10) (name I0b) (type input))
(pin (num 11) (name I1b) (type input))
(pin (num 12) (name I2b) (type input))
(pin (num 13) (name I3b) (type input))
(pin (num 14) (name S0) (type input))
(pin (num 15) (name Eb) (type input))
(pin (num 16) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS157)
(description "Quad 2 to 1 line Multiplexer")
(fields
(field (name Reference) U)
(field (name Value) 74LS157))
(pins
(pin (num 1) (name S) (type input))
(pin (num 2) (name I0a) (type input))
(pin (num 3) (name I1a) (type input))
(pin (num 4) (name Za) (type output))
(pin (num 5) (name I0b) (type input))
(pin (num 6) (name I1b) (type input))
(pin (num 7) (name Zb) (type output))
(pin (num 8) (name GND) (type power_in))
(pin (num 9) (name Zd) (type output))
(pin (num 10) (name I1d) (type input))
(pin (num 11) (name I0d) (type input))
(pin (num 12) (name Zc) (type output))
(pin (num 13) (name I1c) (type input))
(pin (num 14) (name I0c) (type input))
(pin (num 15) (name E) (type input))
(pin (num 16) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS161)
(aliases
(alias 74LS160)
(alias 74LS162)
(alias 74LS163))
(description "Sychronous 4 bits programmable binary Counter")
(fields
(field (name Reference) U)
(field (name Value) 74LS161))
(pins
(pin (num 1) (name ~MR) (type input))
(pin (num 2) (name Cp) (type input))
(pin (num 3) (name P0) (type input))
(pin (num 4) (name P1) (type input))
(pin (num 5) (name P2) (type input))
(pin (num 6) (name P3) (type input))
(pin (num 7) (name Cep) (type input))
(pin (num 8) (name GND) (type power_in))
(pin (num 9) (name ~Pe) (type input))
(pin (num 10) (name Cet) (type input))
(pin (num 11) (name Q3) (type output))
(pin (num 12) (name Q2) (type output))
(pin (num 13) (name Q1) (type output))
(pin (num 14) (name Q0) (type output))
(pin (num 15) (name Tc) (type output))
(pin (num 16) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS240)
(description "8 bits BUS Buffer (Inverter) 3 State out")
(fields
(field (name Reference) U)
(field (name Value) 74LS240))
(pins
(pin (num 1) (name OEa) (type input))
(pin (num 2) (name I0a) (type input))
(pin (num 3) (name O3b) (type 3state))
(pin (num 4) (name I1a) (type input))
(pin (num 5) (name O2b) (type 3state))
(pin (num 6) (name I2a) (type input))
(pin (num 7) (name O1b) (type 3state))
(pin (num 8) (name I3a) (type input))
(pin (num 9) (name O0b) (type 3state))
(pin (num 10) (name GND) (type power_in))
(pin (num 11) (name I0b) (type input))
(pin (num 12) (name O3a) (type 3state))
(pin (num 13) (name I1b) (type input))
(pin (num 14) (name O2a) (type 3state))
(pin (num 15) (name I2b) (type input))
(pin (num 16) (name O1a) (type 3state))
(pin (num 17) (name I3b) (type input))
(pin (num 18) (name O0a) (type 3state))
(pin (num 19) (name OEb) (type input))
(pin (num 20) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS241)
(aliases
(alias 74LS244))
(description "8 bits Bus Buffer 3 State out")
(fields
(field (name Reference) U)
(field (name Value) 74LS241))
(pins
(pin (num 1) (name OEa) (type input))
(pin (num 2) (name I0a) (type input))
(pin (num 3) (name O3b) (type 3state))
(pin (num 4) (name I1a) (type input))
(pin (num 5) (name O2b) (type 3state))
(pin (num 6) (name I2a) (type input))
(pin (num 7) (name O1b) (type 3state))
(pin (num 8) (name I3a) (type input))
(pin (num 9) (name O0b) (type 3state))
(pin (num 10) (name GND) (type power_in))
(pin (num 11) (name I0b) (type input))
(pin (num 12) (name O3a) (type 3state))
(pin (num 13) (name I1b) (type input))
(pin (num 14) (name O2a) (type 3state))
(pin (num 15) (name I2b) (type input))
(pin (num 16) (name O1a) (type 3state))
(pin (num 17) (name I3b) (type input))
(pin (num 18) (name O0a) (type 3state))
(pin (num 19) (name OEb) (type input))
(pin (num 20) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS273)
(description "8 bits D FlipFlop, reset")
(fields
(field (name Reference) U)
(field (name Value) 74LS273))
(pins
(pin (num 1) (name Mr) (type input))
(pin (num 2) (name Q0) (type output))
(pin (num 3) (name D0) (type input))
(pin (num 4) (name D1) (type input))
(pin (num 5) (name Q1) (type output))
(pin (num 6) (name Q2) (type output))
(pin (num 7) (name D2) (type input))
(pin (num 8) (name D3) (type input))
(pin (num 9) (name Q3) (type output))
(pin (num 10) (name GND) (type power_in))
(pin (num 11) (name Cp) (type input))
(pin (num 12) (name Q4) (type output))
(pin (num 13) (name D4) (type input))
(pin (num 14) (name D5) (type input))
(pin (num 15) (name Q5) (type output))
(pin (num 16) (name Q6) (type output))
(pin (num 17) (name D6) (type input))
(pin (num 18) (name D7) (type input))
(pin (num 19) (name Q7) (type output))
(pin (num 20) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS283)
(description "4 bits full Adder")
(fields
(field (name Reference) U)
(field (name Value) 74LS283))
(pins
(pin (num 1) (name S2) (type output))
(pin (num 2) (name B2) (type input))
(pin (num 3) (name A2) (type input))
(pin (num 4) (name S1) (type output))
(pin (num 5) (name A1) (type input))
(pin (num 6) (name B1) (type input))
(pin (num 7) (name C0) (type input))
(pin (num 8) (name GND) (type power_in))
(pin (num 9) (name C4) (type output))
(pin (num 10) (name S4) (type output))
(pin (num 11) (name B4) (type input))
(pin (num 12) (name A4) (type input))
(pin (num 13) (name S3) (type output))
(pin (num 14) (name A3) (type input))
(pin (num 15) (name B3) (type input))
(pin (num 16) (name VCC) (type power_in))))
(libpart (lib 74xx) (part 74LS32)
(description "Quad Or 2 inputs")
(fields
(field (name Reference) U)
(field (name Value) 74LS32))
(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 74xx) (part 74LS377)
(description "8 bit Register")
(fields
(field (name Reference) U)
(field (name Value) 74LS377))
(pins
(pin (num 1) (name EO) (type input))
(pin (num 2) (name Q0) (type output))
(pin (num 3) (name D0) (type input))
(pin (num 4) (name D1) (type input))
(pin (num 5) (name Q1) (type output))
(pin (num 6) (name Q2) (type output))
(pin (num 7) (name D2) (type input))
(pin (num 8) (name D3) (type input))
(pin (num 9) (name Q3) (type output))
(pin (num 10) (name GND) (type power_in))
(pin (num 11) (name Cp) (type input))
(pin (num 12) (name Q4) (type output))
(pin (num 13) (name D4) (type input))
(pin (num 14) (name D5) (type input))
(pin (num 15) (name Q5) (type output))
(pin (num 16) (name Q6) (type output))
(pin (num 17) (name D6) (type input))
(pin (num 18) (name D7) (type input))
(pin (num 19) (name Q7) (type output))
(pin (num 20) (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 wickerlib) (part CONN-JACK-STEREO-R/A-3PIN-3.5MM)
(fields
(field (name Reference) J)
(field (name Value) CONN-JACK-STEREO-R/A-3PIN-3.5MM)
(field (name Footprint) Wickerlib:SJ1-3523N)
(field (name Datasheet) http://www.cui.com/product/resource/digikeypdf/sj1-352xn_series.pdf)
(field (name Description) "CONN JACK STEREO R/A 3PIN 3.5MM")
(field (name MF_Name) CUI)
(field (name MF_PN) SJ1-3523N)
(field (name S1_Name) Digikey)
(field (name S1_PN) CP1-3523N-ND))
(pins
(pin (num 1) (name TIP) (type output))
(pin (num 2) (name TSH) (type output))
(pin (num 3) (name RSH) (type output))
(pin (num 4) (name RING) (type output))
(pin (num 5) (name SLEEVE) (type output))))
(libpart (lib conn) (part CONN_01X01)
(description "Connector, single row, 01x01, 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_01X01))
(pins
(pin (num 1) (name P1) (type passive))))
(libpart (lib device) (part CP)
(description "Polarised capacitor")
(footprints
(fp CP_*))
(fields
(field (name Reference) C)
(field (name Value) CP))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))))
(libpart (lib device) (part Crystal)
(description "Two pin crystal")
(footprints
(fp Crystal*))
(fields
(field (name Reference) Y)
(field (name Value) Crystal))
(pins
(pin (num 1) (name 1) (type passive))
(pin (num 2) (name 2) (type passive))))
(libpart (lib device) (part D)
(description Diode)
(footprints
(fp TO-???*)
(fp *SingleDiode)
(fp *_Diode_*)
(fp *SingleDiode*)
(fp D_*))
(fields
(field (name Reference) D)
(field (name Value) D))
(pins
(pin (num 1) (name K) (type passive))
(pin (num 2) (name A) (type passive))))
(libpart (lib conn) (part DB15_FEMALE_HighDensity_MountingHoles)
(description "15-pin female D-SUB connector, High density (3 columns), Triple Row, Generic, VGA-connector, Mounting Hole")
(footprints
(fp DB*F*))
(fields
(field (name Reference) J)
(field (name Value) DB15_FEMALE_HighDensity_MountingHoles))
(pins
(pin (num 0) (name ~) (type passive))
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))
(pin (num 3) (name ~) (type passive))
(pin (num 4) (name ~) (type passive))
(pin (num 5) (name ~) (type passive))
(pin (num 6) (name ~) (type passive))
(pin (num 7) (name ~) (type passive))
(pin (num 8) (name ~) (type passive))
(pin (num 9) (name ~) (type passive))
(pin (num 10) (name ~) (type passive))
(pin (num 11) (name ~) (type passive))
(pin (num 12) (name ~) (type passive))
(pin (num 13) (name ~) (type passive))
(pin (num 14) (name ~) (type passive))
(pin (num 15) (name ~) (type passive))))
(libpart (lib conn) (part DB9_MALE_MountingHoles)
(description "9-pin male D-SUB connector, Mounting Hole")
(footprints
(fp DB*M*))
(fields
(field (name Reference) J)
(field (name Value) DB9_MALE_MountingHoles))
(pins
(pin (num 0) (name PAD) (type passive))
(pin (num 1) (name 1) (type passive))
(pin (num 2) (name 2) (type passive))
(pin (num 3) (name 3) (type passive))
(pin (num 4) (name 4) (type passive))
(pin (num 5) (name 5) (type passive))
(pin (num 6) (name 6) (type passive))
(pin (num 7) (name 7) (type passive))
(pin (num 8) (name 8) (type passive))
(pin (num 9) (name 9) (type passive))))
(libpart (lib device) (part D_Small_ALT)
(description "Diode, small symbol, alternativ symbol")
(footprints
(fp TO-???*)
(fp *SingleDiode)
(fp *_Diode_*)
(fp *SingleDiode*)
(fp D_*))
(fields
(field (name Reference) D)
(field (name Value) D_Small_ALT))
(pins
(pin (num 1) (name K) (type passive))
(pin (num 2) (name A) (type passive))))
(libpart (lib device) (part D_Zener)
(description "Zener Diode")
(docs https://en.wikipedia.org/wiki/Zener_diode)
(footprints
(fp TO-???*)
(fp *SingleDiode)
(fp *_Diode_*)
(fp *SingleDiode*)
(fp D_*))
(fields
(field (name Reference) D)
(field (name Value) D_Zener))
(pins
(pin (num 1) (name K) (type passive))
(pin (num 2) (name A) (type passive))))
(libpart (lib memory) (part HM62256BLP-7)
(aliases
(alias HM62256BLP-7SL))
(description "SRAM 32K x 8 bits, DIP28 600mil, 70ns")
(footprints
(fp DIP28*))
(fields
(field (name Reference) U)
(field (name Value) HM62256BLP-7)
(field (name Footprint) DIP28))
(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 device) (part LED)
(description "LED generic")
(footprints
(fp LED*))
(fields
(field (name Reference) D)
(field (name Value) LED))
(pins
(pin (num 1) (name K) (type passive))
(pin (num 2) (name A) (type passive))))
(libpart (lib Gigatron-parts) (part MCP100-475DI)
(fields
(field (name Reference) MCP)
(field (name Value) MCP100-475DI))
(pins
(pin (num 1) (name ~RESET) (type output))
(pin (num 2) (name VCC) (type power_in))
(pin (num 3) (name GND) (type power_in))))
(libpart (lib device) (part Polyfuse)
(description "resettable fuse, polymeric positive temperature coefficient (PPTC)")
(footprints
(fp *polyfuse*)
(fp *PTC*))
(fields
(field (name Reference) F)
(field (name Value) Polyfuse))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (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 conn)
(uri "/Library/Application Support/kicad/library/conn.lib"))
(library (logical 74xx)
(uri "/Library/Application Support/kicad/library/74xx.lib"))
(library (logical device)
(uri "/Library/Application Support/kicad/library/device.lib"))
(library (logical Gigatron-parts)
(uri "/Users/marcelk/Projects/Gigatron-1/Boards/Gigatron PCB Open Source/Kicad/Gigatron-parts.lib"))
(library (logical memory)
(uri "/Library/Application Support/kicad/library/memory.lib"))
(library (logical 54819-0519)
(uri "/Users/marcelk/Projects/Gigatron-1/Boards/Gigatron PCB Open Source/Kicad/54819-0519/54819-0519.lib"))
(library (logical wickerlib)
(uri "/Users/marcelk/Projects/Gigatron-1/Boards/Gigatron PCB Open Source/Kicad/wickerlib.lib")))
(nets
(net (code 1) (name "Net-(D2-Pad1)")
(node (ref D2) (pin 1))
(node (ref R3) (pin 1)))
(net (code 2) (name ~RST)
(node (ref U4) (pin 1))
(node (ref U2) (pin 1))
(node (ref U6) (pin 1))
(node (ref D2) (pin 2))
(node (ref U5) (pin 1))
(node (ref U3) (pin 1)))
(net (code 3) (name "Net-(U1-Pad10)")
(node (ref U1) (pin 10)))
(net (code 4) (name CLK1)
(node (ref U1) (pin 4))
(node (ref U16) (pin 1))
(node (ref U1) (pin 5))
(node (ref U9) (pin 11))
(node (ref U6) (pin 2))
(node (ref U3) (pin 2))
(node (ref U5) (pin 2))
(node (ref U4) (pin 2))
(node (ref U8) (pin 11)))
(net (code 5) (name "Net-(J1-Pad4)")
(node (ref J1) (pin 4)))
(net (code 6) (name "Net-(J1-Pad3)")
(node (ref J1) (pin 3)))
(net (code 7) (name "Net-(J1-Pad2)")
(node (ref J1) (pin 2)))
(net (code 8) (name H)
(node (ref U32) (pin 3))
(node (ref U17) (pin 3))
(node (ref U32) (pin 6))
(node (ref U32) (pin 10))
(node (ref U32) (pin 13))
(node (ref U33) (pin 16))
(node (ref U33) (pin 3))
(node (ref U33) (pin 6))
(node (ref U33) (pin 10))
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(node (ref C29) (pin 1))
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(node (ref C31) (pin 1))
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(node (ref C33) (pin 1))
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(node (ref C35) (pin 1))
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(node (ref C4) (pin 1))
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(node (ref C27) (pin 1))
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(node (ref U31) (pin 11))
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(node (ref U18) (pin 5))
(node (ref U23) (pin 12))
(node (ref U19) (pin 5))
(node (ref U24) (pin 8))
(node (ref J3) (pin 6))
(node (ref J3) (pin 7))
(node (ref U31) (pin 10))
(node (ref J3) (pin 8))
(node (ref U28) (pin 10))
(node (ref U19) (pin 8))
(node (ref U17) (pin 15))
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(node (ref U7) (pin 11))
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(node (ref U17) (pin 5))
(node (ref U21) (pin 12))
(node (ref U7) (pin 1))
(node (ref U7) (pin 2))
(node (ref U17) (pin 6))
(node (ref U21) (pin 10))
(node (ref U3) (pin 8))
(node (ref U21) (pin 1))
(node (ref U22) (pin 1))
(node (ref U22) (pin 10))
(node (ref U22) (pin 12))
(node (ref U4) (pin 8))
(node (ref U23) (pin 8))
(node (ref U21) (pin 8))
(node (ref U8) (pin 10))
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(node (ref R10) (pin 2))
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(node (ref U24) (pin 12))
(node (ref U18) (pin 6))
(node (ref U37) (pin 10))
(node (ref U29) (pin 8))
(node (ref U18) (pin 15))
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(node (ref J3) (pin 5))
(node (ref J3) (pin 0))
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(node (ref U5) (pin 8))
(node (ref U39) (pin 8))
(node (ref U6) (pin 8))
(node (ref J4) (pin 8))
(node (ref J4) (pin 0))
(node (ref U22) (pin 8))
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(node (ref U7) (pin 20))
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(node (ref U36) (pin 20))
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(node (ref U36) (pin 14))
(node (ref U34) (pin 8))
(node (ref U35) (pin 15))
(node (ref U16) (pin 7))
(node (ref U34) (pin 15))
(node (ref U33) (pin 8))
(node (ref U33) (pin 1))
(node (ref U32) (pin 1))
(node (ref U32) (pin 8))
(node (ref U19) (pin 15))
(node (ref U20) (pin 8))
(node (ref U20) (pin 5))
(node (ref U20) (pin 6))
(node (ref U35) (pin 8))
(node (ref U15) (pin 10))
(node (ref U15) (pin 19))
(node (ref U13) (pin 8))
(node (ref U13) (pin 5))
(node (ref U13) (pin 4))
(node (ref J3) (pin 10))
(node (ref U12) (pin 3))
(node (ref U25) (pin 8))
(node (ref U12) (pin 8))
(node (ref U26) (pin 8))
(node (ref U14) (pin 8))
(node (ref U14) (pin 5))
(node (ref U14) (pin 4))
(node (ref U15) (pin 1))
(node (ref J2) (pin 5))
(node (ref U11) (pin 1))
(node (ref U18) (pin 8))
(node (ref U11) (pin 8))
(node (ref U10) (pin 10))
(node (ref C2) (pin 2))
(node (ref C1) (pin 2))
(node (ref C3) (pin 2))
(node (ref C17) (pin 2))
(node (ref C18) (pin 2))
(node (ref C19) (pin 2))
(node (ref C20) (pin 2))
(node (ref C21) (pin 2))
(node (ref C22) (pin 2))
(node (ref U1) (pin 7))
(node (ref C37) (pin 2))
(node (ref C38) (pin 2))
(node (ref C39) (pin 2))
(node (ref C40) (pin 2))
(node (ref C41) (pin 2))
(node (ref C42) (pin 2))
(node (ref D1) (pin 2))
(node (ref C4) (pin 2))
(node (ref R3) (pin 2))
(node (ref C24) (pin 2))
(node (ref C23) (pin 2))
(node (ref C25) (pin 2))
(node (ref C26) (pin 2))
(node (ref C27) (pin 2))
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(node (ref C8) (pin 2))
(node (ref C9) (pin 2))
(node (ref C10) (pin 2))
(node (ref C11) (pin 2))
(node (ref C12) (pin 2))
(node (ref C13) (pin 2))
(node (ref C14) (pin 2))
(node (ref C15) (pin 2))
(node (ref C16) (pin 2))
(node (ref J1) (pin 5))
(node (ref C28) (pin 2))
(node (ref C29) (pin 2))
(node (ref U9) (pin 10))
(node (ref C30) (pin 2))
(node (ref C31) (pin 2))
(node (ref C32) (pin 2))
(node (ref C33) (pin 2))
(node (ref C6) (pin 2))
(node (ref C5) (pin 2))
(node (ref J1) (pin S2))
(node (ref J1) (pin S1))
(node (ref C36) (pin 2))
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(net (code 12) (name "Net-(U1-Pad11)")
(node (ref U1) (pin 12))
(node (ref U1) (pin 11))
(node (ref U1) (pin 3)))
(net (code 13) (name /PCR/+5V)
(node (ref J1) (pin 1))
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(net (code 14) (name "Net-(R1-Pad1)")
(node (ref U1) (pin 13))
(node (ref R2) (pin 2))
(node (ref U1) (pin 2))
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(net (code 15) (name "Net-(C3-Pad1)")
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(net (code 17) (name Y0)
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(net (code 18) (name D4)
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(net (code 19) (name BUS6)
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(net (code 21) (name BUS5)
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(node (ref U18) (pin 14))
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(net (code 22) (name BUS3)
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(node (ref U28) (pin 12))
(node (ref U10) (pin 12))
(node (ref U24) (pin 2))
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(net (code 23) (name BUS1)
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(node (ref U3) (pin 4))
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(node (ref U28) (pin 16))
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(net (code 24) (name BUS0)
(node (ref U10) (pin 7))
(node (ref U28) (pin 18))
(node (ref U3) (pin 3))
(node (ref U39) (pin 15))
(node (ref U36) (pin 11))
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(net (code 25) (name BUS2)
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(net (code 26) (name BUS4)
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(net (code 28) (name "Net-(U7-Pad38)")
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(net (code 79) (name IR7)
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(net (code 229) (name /PER/BLUE)
(node (ref R16) (pin 1))
(node (ref J3) (pin 3))
(node (ref R15) (pin 1)))
(net (code 230) (name /PER/GREEN)
(node (ref R13) (pin 1))
(node (ref R14) (pin 1))
(node (ref J3) (pin 2)))
(net (code 231) (name /PER/RED)
(node (ref J3) (pin 1))
(node (ref R11) (pin 1))
(node (ref R12) (pin 1)))
(net (code 232) (name "Net-(J3-Pad4)")
(node (ref J3) (pin 4)))
(net (code 233) (name "Net-(U39-Pad9)")
(node (ref U39) (pin 9)))))