|Online Development Notebook > Index > U421 USB Interface > U421 Specs|
Board Size: 1.5 inches (38.1mm) long and 0.75 inches (19.1mm) wide.
Board Type: 24-pin PCB in a "DIP-like" format, rows spaced .6" (15.2mm) apart.
Computer Interface: USB
USB Cable Length: 36 inches (914 mm).
USB Connection type: Removable cable.
USB Power Type: Bus powered, uses the 5V provided by the USB interface.
Specified USB allowed current draw: 100mA standard, total.
Bandwidth: 800 bytes per second as a HID device.
USB Bus Speed: 1.5Mbits⁄s. (Low speed)
USB Driver: HID, part of the operating system.
Device Interface: 16 CMOS lines, selectable as inputs⁄outputs.
Controller Device: Cypress CY7C63743.
USB Cable Pin#, Color, Function Chart
|Pin Number||Wire Color||Function|
PC USB Port (Female 'A')
Hardware: U401 USB Interface U421 USB Interface U451 USB Interface
Programming: USBm DLL Programming Download Files
Application Notes: U4x1 Application Notes Misc Applications and Information FAQ
While every effort has been made to make sure that the information posted on this site is correct, the author can not be held liable for any damages whatsoever for losses as a result of the application of this information. Use this information at your own risk.
USBmicro can design your custom and semi-custom USB product. Email about USB design can be directed to " Robert " at usbmicro.com.
Copyright © USBmicro, L.L.C., 2002-2010