MIC2551A-2.5 데이터 시트보기 (PDF) - Micrel

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MIC2551A-2.5

USB Transceiver

Micrel 

MIC2551A-2.5

Micrel, Inc.

SUS

0

0

1

1

OE#

0

1

0

1

D+, D–

Driving

Receiving

Hi-Z

Hi-Z

RCV

Active

Active

0

0

VP/VM

Active

Active

Not Active

Active

Function

Normal transmit mode.

Normal receive mode.

Low power state.

Receiving during suspend (low power

state) (Note 1)

Note 1. During suspend, VP and VM are active in order to detect out-of-band signaling conditions.

Table 1.  Function Selection

OE# = 0:

Input

VP

VM

0

0

0

1

1

0

1

1

OE# = 1:

Input

D+

D–

0

0

0

1

1

0

1

1

X - Undefined

Output

D+

D–

RCV

0

0

X

0

1

0

1

0

1

1

1

X

Output

VP

VM

RCV

0

0

X

0

1

0

1

0

1

1

1

X

Table 2.  Truth Table During Normal Mode

Result

SE0

Logic 0

Logic 1

Undefined

Result

SE0

Logic 0

Logic 1

Undefined

March 2010

3

M9999-030810

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