Filter
Top Products
Ultra Fast USB 2.0 Multi-Slot Flash Media Controller
Datasheet
Revision 1.1 (05-29-08) 20 SMSC USB2250/50i/51/51i
DATASHEET
5.2 Buffer Type Descriptions
Table 5.2 USB2250/50i/51/51i Buffer Type Descriptions
BUFFER DESCRIPTION
I Input.
IPU Input with internal weak pull-up resistor.
IPD Input with internal weak pull-down 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.
I/O12PU Input/Output buffer with 12mA sink and 12mA source with a pull-up resistor.
O12 Output buffer with 12mA source.
O12PU Output buffer with 12mA sink and 12mA source, with a pull-up resistor.
O12PD Output buffer with 12mA sink and 12mA source, with a pull-down resistor.
ICLKx XTAL clock input.
OCLKx XTAL clock output.
I/O-U Analog Input/Output as Defined in USB specification.
I-R RBIAS.