import USB_C, ElectricPower, Resistor usb_c = new USB_C # Configure differential pair impedances usb_c.rx.impedance = 90ohm +/- 10% usb_c.tx.impedance = 90ohm +/- 10% usb_c.usb3.usb2.dp.impedance = 90ohm +/- 10% usb_c.usb3.usb2.dm.impedance = 90ohm +/- 10% # Connect power reference for logic levels power_3v3 = new ElectricPower assert power_3v3.voltage within 3.3V +/- 5% usb_c.usb3.usb2.dp.p.reference ~ power_3v3 usb_c.usb3.usb2.dp.n.reference ~ power_3v3 usb_c.usb3.usb2.dm.p.reference ~ power_3v3 usb_c.usb3.usb2.dm.n.reference ~ power_3v3 # CC resistors for device detection (5.1k for device, 56k for host) cc1_resistor = new Resistor cc2_resistor = new Resistor cc1_resistor.resistance = 5.1kohm +/- 1% # Device cc2_resistor.resistance = 5.1kohm +/- 1% # Device usb_c.cc1 ~> cc1_resistor ~> power_3v3.lv usb_c.cc2 ~> cc2_resistor ~> power_3v3.lv # Connect to USB controller usb_controller.usb_c ~ usb_c
ato create component
True