AX88796ALF datasheet(14/68 Pages) ASIX

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AX88796ALF

3-in-1 Local Bus Fast Ethernet Controller

2.2 10/100Mbps Twisted-Pair Interface Pins Group

SIGNAL

TYPE

PIN NO.

DESCRIPTION

TPIP

Received Data. Positive differential received 125M baud MLT3 or

10M baud Manchester data from magnetic.

TPIN

Received Data. Negative differential received 125M baud MLT3 or

10M baud Manchester data from magnetic.

TPOP

Transmit Data. Positive differential transmit 125M baud MLT3 or 10M

baud Manchester data to magnetic.

TPON

Transmit Data. Negative differential transmit 125M baud MLT3 or

10M baud Manchester data to magnetic.

REXT10

No connection

REXT100

I/PD

Keep this pin floating or pull down

REXTBS

External Bias Resistor. Band Gap Reference for the Receive Channel.

Connect this signal to a 24.9k-ohm +/- 1 percent resistor to ground.

TAB - 2 10/100Mbps Twisted-Pair Interfaces pins group

2.3 Built-in PHY LED Indicator Pins Group

SIGNAL

TYPE

PIN NO.

DESCRIPTION

I_ACT

I_FULL/COL

Active Status: When I_OP is logic 1. If there is activity, transmit or

receive, on the line occurred, the output will be blinking.

Full-Duplex/Collision Status. When I_OP is logic 0. If this signal is

low, it indicates full-duplex link established, and if it is high, then the

link is in half-duplex mode. When in half-duplex and collision

occurrence, the output will be blinking. (Current sink capacity is 8mA)

I_SPEED

Speed Status: If this signal is low, it indicates 100Mbps, and if it is high,

then the speed is 10Mbps. (Current sink capacity is 8mA)

This pin will be hold on previous state when loss link.

I_LINK

I_LK/ACT

Link Status: When I_OP is logic 1. If this signal is low, it indicates link,

and if it is high, then the link is fail.

Link Status/Active: When I_OP is logic 0. If this signal is low, it

indicates link, and if it is high, then the link is fail. When in link status

and line activity occurrence, the output will be blinking. (Current sink

capacity is 8mA)

TAB - 3 Built-in PHY LED indicator pins group

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