USB 2.0 Hi-Speed Hub Controller

 

Datasheet

 

Table 5.3 Buffer Type Descriptions (continued)

 

 

BUFFER

DESCRIPTION

 

 

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 I2C-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.

 

 

Revision 1.0 (3-11-09)

28

SMSC USB251x

DATASHEET