SMSC USB2242 User Manual

Ultra Fast USB 2.0 Memory Stick Flash Media Controller

SMSC USB2242/USB2242i

13

Revision 1.0 (05-27-08)

I

Input.

IPU

Input with internal weak pull-up resistor.

IS

Input with Schmitt trigger.

I/O12

Input/Output buffer with 12mA sink and 12mA source.

I/O200

Input/Output buffer 12mA with FET disabled, 100/200mA source only when the FET is 
enabled.

I/O12PD

Input/Output buffer with 12mA sink and 12mA source, with an internal weak pull-down 
resistor.

O12

Output buffer with 12mA source.

ICLKx

XTAL clock input.

OCLKx

XTAL clock output.

I/O-U

Analog Input/Output Defined in USB specification.

I-R

RBIAS.