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Ultra Fast USB 2.0 Memory Stick Flash Media Controller
Datasheet
SMSC USB2242/USB2242i 13 Revision 1.0 (05-27-08)
DATASHEET
5.2 Buffer Type Descriptions
Table 5.3 USB2242/USB2242i Buffer Type Descriptions
BUFFER DESCRIPTION
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.