SMSC USB2512Ai Manual do Utilizador descarregar pdf (Página 12)

Industrial Temperature Rated USB 2.0 Hi-Speed 2-Port Hub Controller

Datasheet

Revision 1.97 (08-11-08) 12 SMSC USB2512Ai

DATASHEET

3.2 Buffer Type Descriptions

Table 3.4 Buffer Type Descriptions

BUFFER DESCRIPTION

I/O Input/Output.

IPD Input with internal weak pull-down resistor.

IPU Input with internal weak pull-up resistor.

IS Input with Schmitt trigger.

O12 Output 12mA.

I/O12 Input/Output buffer with 12mA sink and 12mA source.

I/OSD12

Open drain with Schmitt trigger and 12mA sink. Must meet I

C-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.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 36 37

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