ST802RT1A データシートの表示（PDF） - STMicroelectronics

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ST802RT1A

10/100 real-time Ethernet 3.3 V transceiver

STMicroelectronics 

Pin description

ST802RT1A, ST802RT1B

Table 5. Signal detect

SDN

Ground

Ground

Voltage > 0.6 V

PECLLOW (PECLMID)

PECLHIGH

(PECLMID)

PECLHIGH

PECLLOW

(PECLMID)

SDP

Ground

A positive voltage

Voltage > 0.6 V

PECLLOW

PECLLOW

PECLHIGH

PECLHIGH

Mode

TX mode

Undefined state

Undefined state

FX mode asserted, but no data valid on the line

FX mode asserted, but no data valid on the line

Undefined state

FX mode asserted, link OK, and data valid

Table 6.

MII_CFG0, MII_CFG1 configuration

mii_cfg0

MII mode

0

RMII mode

1

Reserved

1

mii_cfg1

X

0

1

Table 7.

Auto-negotiation advertisement register

Forced mode

an_en

10M, Half-duplex

0

10M, Full-duplex

0

100M, Half-duplex

0

100M, Full-duplex

0

Advertised mode

an_en

10M, Half/full-duplex

1

100M, Half/full-duplex

1

10M, Half-duplex

1

100M, Half-duplex

10M, Half/Full-duplex

1

100M, Half/Full-duplex

an_0

0

0

1

1

an_0

0

0

1

1

an_1

0

1

0

1

an_1

0

1

0

1

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Doc ID 17049 Rev 1

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