SMSC USB2512i Benutzerhandbuch

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Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller
Datasheet
Revision 1.92 (11-28-07)
12
SMSC USB2512i
DATASHEET
3.2
  Buffer Type Descriptions
Table 3.4  USB2512i Buffer Type Descriptions
BUFFER
DESCRIPTION
I
Input.
IPD
Input with internal weak pull-down resistor.
IPU
Input with internal weak pull-up resistor.
IS
Input with Schmitt trigger.
O12
Output 12mA.
OD12
Open drain... 12mA sink.
I/O12
I/OSD12
Open drain...12mA sink with Schmitt trigger, and must meet 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.
AIO
Analog Input/Output.