USB2512BI/M2 データシートの表示（PDF） - Microchip Technology

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USB2512BI/M2

USB 2.0 Hi-Speed Hub Controller

Microchip Technology 

USB251xB/xBi

3.4 Buffer Type Descriptions

TABLE 3-4: BUFFER TYPE DESCRIPTIONS

Buffer Type

Description

I

I/O

IPD

IPU

IS

O12

I/O12

I/OSD12

ICLKx

OCLKx

I-R

I/O-U

Input

Input/output

Input with internal weak pull-down resistor

Input with internal weak pull-up resistor

Input with Schmitt trigger

Output 12 mA

Input/output buffer with 12 mA sink and 12 mA source

Open drain with Schmitt trigger and 12 mA sink. Meets the I2C-Bus

Specification [2] requirements.

XTAL clock input

XTAL clock output

RBIAS

Analog input/output defined in USB specification

DS00001692C-page 16

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