],
)
ext_gnd = myelin_kicad_pcb.Component(
footprint="Pin_Headers:Pin_Header_Straight_1x06_Pitch2.54mm",
identifier="EXTGND",
value="0v",
pins=[
Pin(1, "", ["GND"]),
Pin(2, "", ["GND"]),
Pin(3, "", ["GND"]),
Pin(4, "", ["GND"]),
Pin(5, "", ["GND"]),
Pin(6, "", ["GND"]),
],
)
ext_neg_5v = myelin_kicad_pcb.Component(
footprint="Pin_Headers:Pin_Header_Straight_1x06_Pitch2.54mm",
identifier="EXT-5V",
value="-5v",
pins=[
Pin(1, "", ["-5V"]),
Pin(2, "", ["-5V"]),
Pin(3, "", ["-5V"]),
Pin(4, "", ["-5V"]),
Pin(5, "", ["-5V"]),
Pin(6, "", ["-5V"]),
],
)
myelin_kicad_pcb.dump_netlist("%s.net" % PROJECT_NAME)
Pin("SH2", "GND"),
],
)
#TODO figure out if this is necessary -- might only be with MMC cards
#sd_cmd_pullup = myelin_kicad_pcb.R0805("10k", "3V3", "sd_MOSI")
# In case we want to use an external SD adapter
ext_sd = myelin_kicad_pcb.Component(
footprint="Pin_Headers:Pin_Header_Straight_2x03_Pitch2.54mm",
identifier="EXTSD",
value="ext sd",
pins=[
Pin(1, "1", ["sd_nSS"]),
Pin(2, "2", ["sd_MOSI"]),
Pin(3, "3", ["3V3"]),
Pin(4, "4", ["sd_SCK"]),
Pin(5, "5", ["GND"]),
Pin(6, "6", ["sd_MISO"]),
],
)
for n in range(7):
single_staple = myelin_kicad_pcb.Component(
footprint="myelin-kicad:via_single",
identifier="staple_single%d" % (n + 1),
value="",
pins=[Pin(1, "GND", ["GND"])],
)
myelin_kicad_pcb.dump_netlist("bbc_1mhz_serial_sd.net")
identifier="CON2",
value="3.3V #2",
pins=[
Pin("1", "", ["ext_dbuf_nCE"]),
Pin("2", "", ["ext_A10"]),
Pin("3", "", ["ext_D3"]),
Pin("4", "", ["ext_nOE"]),
Pin("5", "", ["ext_D4"]),
Pin("6", "", ["ext_A11"]),
Pin("7", "", ["ext_A3"]),
Pin("8", "", ["ext_D5"]),
Pin("9", "", ["ext_A2"]),
Pin("10", "", ["ext_D6"]),
Pin("11", "", ["ext_D0"]),
Pin("12", "", ["ext_D7"]),
Pin("13", "", ["ext_A0"]),
Pin("14", "", ["ext_A1"]),
]),
]
staples = [
myelin_kicad_pcb.Component(
footprint="myelin-kicad:via_single",
identifier="staple_single%d" % (n + 1),
value="",
pins=[Pin(1, "GND", ["GND"])],
) for n in range(7)
]
myelin_kicad_pcb.dump_netlist("rom_socket_level_shifter.net")
pins=[
Pin(1, "TCK", ["cpld_TCK"]), # top left
Pin(2, "GND", ["GND"]), # top right
Pin(3, "TDO", ["cpld_TDO"]),
Pin(4, "3V3", ["3V3"]),
Pin(5, "TMS", ["cpld_TMS"]),
Pin(6, "NC"),
Pin(7, "NC"),
Pin(8, "NC"),
Pin(9, "TDI", ["cpld_TDI"]),
Pin(10, "GND", ["GND"]),
],
)
regulator = Component(
footprint="TO_SOT_Packages_SMD:SOT-89-3",
identifier="U3",
value="MCP1700T-3302E/MB",
desc="3.3V LDO regulator. Search for the exact part number because there are many variants.",
pins=[
Pin(2, "VIN", ["5V"]),
Pin(3, "VOUT", ["3V3"]),
Pin(1, "GND", ["GND"]),
],
)
reg_in_cap = C0805("1u", "5V", "GND", ref="C3")
reg_out_cap = C0805("1u", "3V3", "GND", ref="C4")
dump_netlist("standalone_programmer.net")
dump_bom("bill_of_materials.txt")
Pin(16, "", "C4_16_DPCLK0"),
Pin(17, "", "C4_17"),
Pin(18, "", "C4_18"),
Pin(19, "", "C4_19"),
Pin(20, "", "C4_20"),
Pin(21, "", "C4_21"),
Pin(22, "", "C4_22"),
Pin(23, "", "C4_23"),
Pin(24, "", "C4_24"),
Pin(25, "", "C4_25"),
Pin(26, "", "C4_26"),
Pin(27, "", "C4_27"),
Pin(28, "", "C4_28"),
Pin(29, "5V", "NC-4-29"),
Pin(30, "", "C4_30"),
Pin(31, "", "C4_31"),
Pin(32, "", "C4_32"),
Pin(33, "", "C4_33"),
Pin(34, "", "C4_34"),
Pin(35, "", "C4_35"),
Pin(36, "", "C4_36"),
Pin(37, "", "C4_37"),
Pin(38, "", "C4_38"),
Pin(39, "", "C4_39"),
Pin(40, "", "C4_40"),
],
),
]
myelin_kicad_pcb.dump_netlist("bga_in_two_layers.net")
pins=[
# DIN-5 pins are numbered weirdly -- 1, 4, 2, 5, 3 around the circle
Pin( 1, "D+", ["econet_data_line_P"]),
Pin( 4, "D-", ["econet_data_line_M"]),
Pin( 2, "GND", ["GND"]),
Pin( 5, "C+", ["econet_clock_line_P"]),
Pin( 3, "C-", ["econet_clock_line_M"]),
# Ground all the shield pins
Pin("S1", "", "GND"),
Pin("S2", "", "GND"),
Pin("S3", "", "GND"),
Pin("S4", "", "GND"),
],
) for socket_id in range(5)]
# Ground plane stapling vias
for n in range(5):
single_staple = myelin_kicad_pcb.Component(
footprint="myelin-kicad:via_single",
identifier="staple_single%d" % (n+1),
value="",
pins=[Pin(1, "GND", ["GND"])],
)
myelin_kicad_pcb.dump_netlist("%s.net" % PROJECT_NAME)
myelin_kicad_pcb.dump_netlist("cpu_socket_expansion.net")
myelin_kicad_pcb.dump_bom("bill_of_materials.txt",
"readable_bill_of_materials.txt")
#Pin(1, "3V3", ["3V3"]),
#Pin(2, "5V", ["5V"]),
Pin(3, "GPIO0-2", ["tube_A1"]),
Pin(4, "5V", ["5V"]),
Pin(5, "GPIO1-3", ["tube_A2"]),
Pin(6, "ser_GND", ["pi_serial_GND"]),
Pin(7, "GPIO4", ["tube_nRST"]),
Pin(8, "ser_TX", ["pi_serial_TX"]),
Pin(9, "GND", ["GND"]),
Pin(10, "ser_RX", ["pi_serial_RX"]),
Pin(11, "GPIO17", ["tube_nTUBE"]),
Pin(12, "GPIO18", ["tube_RnW"]),
Pin(13, "GPIO21-27", ["tube_A0"]),
Pin(14, "GND", ["GND"]),
Pin(15, "GPIO22", ["tube_D4"]),
Pin(16, "GPIO23", ["tube_D5"]),
Pin(17, "3V3", ["3V3"]),
Pin(18, "GPIO24", ["tube_D6"]),
Pin(19, "GPIO10", ["tube_D2"]),
Pin(20, "GND", ["GND"]),
Pin(21, "GPIO9", ["tube_D1"]),
Pin(22, "GPIO25", ["tube_D7"]),
Pin(23, "GPIO11", ["tube_D3"]),
Pin(24, "GPIO8", ["tube_D0"]),
Pin(25, "GND", ["GND"]),
Pin(26, "GPIO7", ["tube_PHI0"]),
],
)
myelin_kicad_pcb.dump_netlist("cpu_socket_minispartan_daughterboard.net")
Pin(31, "nWE", ["elk_RnW"]),
Pin(32, "VDD", ["5V"]),
],
)
flash_cap = myelin_kicad_pcb.C0805("100n", "5V", "GND", ref="C2")
quad_nand = myelin_kicad_pcb.Component(
footprint="Housings_SOIC:SOIC-14_3.9x8.7mm_Pitch1.27mm",
identifier="U1",
value="74HCT00",
pins=[
Pin(1, "1A", ["elk_nOE"]),
Pin(2, "1B", ["elk_nOE"]),
Pin(3, "1Y", ["not_elk_nOE"]),
Pin(4, "2A", ["not_elk_nOE"]),
Pin(5, "2B", ["elk_PHI0"]),
Pin(6, "2Y", ["flash_nCE"]),
Pin(7, "GND", ["GND"]),
Pin(8, "3Y"), # unused gate
Pin(9, "3A", ["GND"]), # unused gate
Pin(10, "3B", ["GND"]), # unused gate
Pin(11, "4Y", ["flash_nOE"]),
Pin(12, "4A", ["elk_RnW"]),
Pin(13, "4B", ["elk_RnW"]),
Pin(14, "VCC", ["5V"]),
],
)
nand_cap = myelin_kicad_pcb.C0805("100n", "5V", "GND", ref="C1")
myelin_kicad_pcb.dump_netlist("flash_cartridge.net")
Pin(11, "D8_A8_PB4", ["mcu_GPIO_D8_nSD_SEL"]), # /SD_SEL
Pin(12, "D9_A9_nOC4B_PB5", ["mcu_SS"]), # /SS
Pin(
13,
"D10_A10_OC4B_PB6",
),
Pin(14, "D16_MOSI_PB2", ["mcu_MOSI_TDI"]), # SPI (shared with JTAG)
Pin(15, "D14_MISO_PB3", ["mcu_MISO"]), # SPI
Pin(16, "D15_SCK_PB1", ["mcu_SCK_TMS"]), # SPI (shared with JTAG)
Pin(17, "D18_A0_PF7", ["mcu_GPIO_D18_TDO"]), # JTAG TDO
Pin(18, "D19_A1_PF6", ["mcu_SCK_TMS"]), # JTAG (shared with SPI)
Pin(19, "D20_A2_PF5", ["mcu_GPIO_D20_TCK"]), # JTAG TCK
Pin(20, "D21_A3_PF4", ["mcu_MOSI_TDI"]), # JTAG (shared with SPI)
Pin(21, "VCC", ["3V3"]),
Pin(22, "RST", ["mcu_RESET"]),
Pin(23, "GND", ["GND"]),
Pin(24, "VRAW", ["5V"]),
],
)
# Ground plane stapling vias
for n in range(15):
single_staple = myelin_kicad_pcb.Component(
footprint="myelin-kicad:via_single",
identifier="staple_single%d" % (n + 1),
value="",
pins=[Pin(1, "GND", ["GND"])],
)
myelin_kicad_pcb.dump_netlist("atsamd11_pro_micro.net")
],
)
# Jumper to connect 5v power from the Electron to the Pi Zero.
# Plus 1 cartridges aren't meant to draw more than 50 mA, and the Pi Zero
# typically needs ~150 mA, so this should probably be left unconnected,
# with a separate PSU supplying the Pi.
power_jumper = myelin_kicad_pcb.Component(
footprint="Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm",
identifier="POWER1",
value="Elk-Pi 5V",
pins=[
Pin(1, "A", ["5V"]),
Pin(2, "B", ["elk_5V"]),
],
)
# Just in case we want to connect up an ext PSU for CPLD programming
ext_power = myelin_kicad_pcb.Component(
footprint="Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm",
identifier="EXTPWR",
value="ext pwr",
pins=[
Pin(1, "A", ["GND"]),
Pin(2, "B", ["3V3"]),
Pin(3, "C", ["5V"]),
],
)
myelin_kicad_pcb.dump_netlist("elk_pi_tube_direct.net")
Pin("29", "", ["ext_A4"]),
Pin("30", "", ["ext_A5"]),
Pin("31", "", ["ext_A6"]),
Pin("32", "", ["ext_A7"]),
Pin("33", "", ["ext_A8"]),
Pin("34", "", ["ext_A9"]),
Pin("35", "", ["ext_A10"]),
Pin("36", "", ["ext_A11"]),
Pin("37", "", ["ext_A12"]),
Pin("38", "", ["ext_A13"]),
Pin("39", "", ["ext_A14"]),
Pin("40", "", ["ext_A15"]),
],
)
gp1_pullup = myelin_kicad_pcb.R0805("10k", "ext_GP1", "3V3", ref="R4")
gp3_pullup = myelin_kicad_pcb.R0805("10k", "ext_GP3", "3V3", ref="R5")
gp4_pullup = myelin_kicad_pcb.R0805("10k", "ext_GP4", "3V3", ref="R6")
staples = [
myelin_kicad_pcb.Component(
footprint="myelin-kicad:via_single",
identifier="staple_single%d" % (n + 1),
value="",
pins=[Pin(1, "GND", ["GND"])],
) for n in range(33)
]
myelin_kicad_pcb.dump_netlist("cpu_socket_expansion.net")
myelin_kicad_pcb.dump_bom("bill_of_materials.txt",
"readable_bill_of_materials.txt")
Pin("27", "A14", ["bbc_A14"]),
Pin("28", "VCC", ["5V"]),
],
)
staples = [
myelin_kicad_pcb.Component(
footprint="myelin-kicad:via_single",
identifier="staple_single%d" % (n+1),
value="",
pins=[Pin(1, "GND", ["GND"])],
)
for n in range(10)
]
myelin_kicad_pcb.dump_netlist("master_updateable_megarom.net")
myelin_kicad_pcb.dump_bom("bill_of_materials.txt",
"readable_bill_of_materials.txt")
# Keeping these around just in case I do decide to switch over to using a
# PSoC4 chip (CY8C4245) instead of the 64-pin XC9572XL one day!
# -----------------------------------------------------------------------
# # unidirectional buffer for address lines, cpu -> expansion connector
# addr_buf_lo = myelin_kicad_pcb.Component(
# footprint="Housings_SSOP:SSOP-20_4.4x6.5mm_Pitch0.65mm",
# identifier="ABUFL",
# value="74LVC245",
# pins=[
# Pin( 1, "A->B", ["abuf_ext_to_cpu"]),
Pin(1, "RnW", ["RnW"]),
Pin(2, "WnR", ["nRnW"]),
Pin(3, "BANK2", ["A14"]),
Pin(4, "BANK3", ["A15"]),
],
)
ext_power = myelin_kicad_pcb.Component(
footprint="Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm",
identifier="EXTPWR",
value="ext pwr",
desc="1x2 0.1 inch male header",
pins=[
Pin(1, "GND", ["GND"]),
Pin(2, "5V", ["5V"]),
],
)
staples = [
myelin_kicad_pcb.Component(
footprint="myelin-kicad:via_single",
identifier="staple_single%d" % (n + 1),
value="",
pins=[Pin(1, "GND", ["GND"])],
) for n in range(0)
]
myelin_kicad_pcb.dump_netlist("bbc_128kb_sram.net")
myelin_kicad_pcb.dump_bom("bill_of_materials.txt",
"readable_bill_of_materials.txt")
power_header = myelin_kicad_pcb.Component(
footprint="Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm",
identifier="PWR",
value="reset",
pins=[
Pin(1, "", ["3V3"]),
Pin(2, "", ["5V"]),
],
)
reset_header = myelin_kicad_pcb.Component(
footprint="Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm",
identifier="RST",
value="reset",
pins=[
Pin(1, "", ["GND"]),
Pin(2, "", ["mcu_RESET"]),
],
)
for n in range(20):
single_staple = myelin_kicad_pcb.Component(
footprint="myelin-kicad:via_single",
identifier="staple_single%d" % (n + 1),
value="",
pins=[Pin(1, "GND", ["GND"])],
)
myelin_kicad_pcb.dump_netlist("atsamd21_usb.net")
],
)
return myelin_kicad_pcb.Component(
footprint="myelin-kicad:cherry_mx_pcb_mount",
identifier=ref,
value="keyswitch",
pins=[
Pin(1, "1", a_net),
Pin(2, "2", d_net),
],
)
cherry_with_diode("x", "y")
ext = myelin_kicad_pcb.Component(
footprint="Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm",
identifier="EXT",
value="ext",
pins=[
Pin(1, "5V", ["5V"]),
Pin(2, "X", ["x"]),
Pin(3, "Y", ["x_y_diode"]),
Pin(4, "GND", ["y"]),
],
)
myelin_kicad_pcb.R0805("10k", "x", "5V")
myelin_kicad_pcb.dump_netlist("cherry_mx.net")
Pin(3, "", "cpu_SYNC"),
Pin(4, "", "cpu_nNMI"),
Pin(5, "", "analyzer_PD2_READY"),
Pin(6, "", "elk_READY_master_RnW"),
Pin(7, "", "tube_RnW"),
Pin(8, "", "analyzer_PD0_RnW"),
],
)
# Just in case we want to connect up an ext PSU for CPLD programming
ext_power = myelin_kicad_pcb.Component(
footprint="Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm",
identifier="EXTPWR",
value="ext pwr",
pins=[
Pin(1, "A", ["GND"]),
Pin(2, "B", ["3V3"]),
Pin(3, "C", ["5V"]),
],
)
for n in range(32):
single_staple = myelin_kicad_pcb.Component(
footprint="myelin-kicad:via_single",
identifier="staple_single%d" % (n + 1),
value="",
pins=[Pin(1, "GND", ["GND"])],
)
myelin_kicad_pcb.dump_netlist("fx2_tube_cartridge_adapter.net")
identifier="JTAG",
value="jtag",
pins=[
Pin(1, "TCK", ["cpld_TCK"]), # top left
Pin(2, "GND", ["GND"]), # top right
Pin(3, "TDO", ["cpld_TDO"]),
Pin(4, "3V3", ["3V3"]),
Pin(5, "TMS", ["cpld_TMS"]),
Pin(6, "NC"),
Pin(7, "NC"),
Pin(8, "NC"),
Pin(9, "TDI", ["cpld_TDI"]),
Pin(10, "GND", ["GND"]),
],
)
regulator = myelin_kicad_pcb.Component(
footprint="TO_SOT_Packages_SMD:SOT89-3_Housing",
identifier="REG",
value="MCP1700T-3302E/MB",
pins=[
Pin(2, "VIN", ["5V"]),
Pin(3, "VOUT", ["3V3"]),
Pin(1, "GND", ["GND"]),
],
)
reg_in_cap = myelin_kicad_pcb.C0805("1u", "5V", "GND", ref="C4")
reg_out_cap = myelin_kicad_pcb.C0805("1u", "3V3", "GND", ref="C5")
myelin_kicad_pcb.dump_netlist("minus_one.net")
