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USB 2.0 Hi-Speed Hub Controller
Datasheet
Revision 1.0 (3-11-09) 28 SMSC USB251x
DATASHEET
I/O12 Input/Output buffer with 12 mA sink and 12 mA source.
I/OSD12
Open drain with Schmitt trigger and 12 mA sink. Meets the I
2
C-Bus specification,
version 2.1, requirements.
ICLKx XTAL clock input.
OCLKx XTAL clock output.
I-R RBIAS.
I/O-U Analog Input/Output defined in USB specification.
Table 5.3 Buffer Type Descriptions (continued)
BUFFER DESCRIPTION