Imported from GitHub: sparkengineering/host-usb-pmod · commit f8b902a · license CERN-OHL-P-2.0

Description

USB type A receptacle to Digilent Pmod™ breakout board

README

host-usb-pmod

Description

USB type A receptacle to Digilent Pmod™ breakout board.

• Impedance matched & length tuned differential lines
• Includes 3.3V to 5V boost converter (max. 800mA)
• Pinout to match Digilent high-speed Pmod™ e.g. on Arty A7
• Tested with Arty A7 board and USB 1.0 LS HID devices

Contents

File	Description
host-usb-pmod.pdf	Schematic in PDF format
host-usb-pmod.csv	BOM in CSV format
host-usb-pmod.png	PCB 3D render
host-usb-pmod.kicad_pro	KiCad 8.0.0 project
host-usb-pmod.kicad_pcb	KiCad 8.0.0 PCB
host-usb-pmod.kicad_sch	KiCad 8.0.0 schematic

Further Reading

• Ben Eater: How does a USB keyboard work? ¹
• Compact USB HID host FPGA core ²
• A dual-socket USB host PMOD module ³
• Universal Serial Bus Specification 1.0 ⁴
• USB Host Dual Socket Pmod™ Compatible Module ⁵

Footnotes

1. https://www.youtube.com/watch?v=wdgULBpRoXk ↩

2. https://github.com/nand2mario/usb_hid_host ↩

3. https://github.com/nand2mario/usb_host_pmod ↩

4. https://fabiensanglard.net/usbcheat/usb1.pdf ↩

5. https://machdyne.com/product/usb-host-dual-socket-pmod/ ↩