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")
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(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", "readable_bill_of_materials.txt")