3 usb 2.0 interfaces – Kontron KTC5520-EATX User Manual
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• Serial Peripheral Interface
• DMA Controller, Timer/Counters, Interrupt Controller
• Universal Serial Bus (USB)
• GPIOs
• Enhanced Power Management
• System Management Bus 2.0 (SMBus)
2.3
USB 2.0 Interfaces
The board embeds a USB controller. This controller is compliant to USB 2.0. It provides four USB ports on the
Rear I/O Bracket. Those ports can be used for external storage and for booting
USB features include:
• Capability to daisy chain as many as 127 devices per interface
• Fast bi-directional
• Isochronous/asynchronous interface
• 480 Mbs transfer rate
• Standardization of peripheral interfaces into a single format
• Retro compatible with USB 1.1 devices
USB supports Plug and Play and hot-swapping operations (OS level). These features allows USB devices to be
automatically attached, configured and detached, without reboot or running setup.
Table 2-1: USB Rear Panel I/O Connector Pinout
Table 2-2: USB Header Connector Pinout
Pin
Signal
1
VCC
2
DATA-
3
DATA+
4
GND
Pin
Signal
Pin
Signal
1
VCC
2
VCC