Rtd LAN18255HR Manuel d'utilisateur télécharger pdf (Page 12)

RTD Embedded Technologies, Inc. | www.rtd.com 12 LAN17255HRHR User’s Manual

CNxx Pin

Function

10/100 Function

Link at 10 Mbps

Low when linked at 10 Mbps, blink for activity

Link at 100 Mbps

Low when linked at 100 Mbps, blink for activity

Link at 1000 Mbps

Low when linked at 1000 Mbps, blink for activity

3.3 volts or ground

Depends on JP1 setting

If JP1 1-2 is shorted these pins will be ground

If JP1 2-3 is shorted these pins will be 3.3 volts

Table 7: CN14 External LED Drive

3.3.6 CN17 POWER CONNECTOR

CN17 is a power connector for standalone operation. The LAN17255HR operates on +5 volts. The pin out of the connector is shown in the

table below.

CN17 Pin

Signal

Description

GND

Ground

+5V

Power

RSVD

Reserved

RSVD

Reserved

RSVD

Reserved

RSVD

Reserved

GND

Ground

+5V

Power

GND

Ground

RSVD

Reserved

RSVD

Reserved

RSVD

Reserved

Table 8: CN17 Power Connector

Facing the connector, the pin assignments are as follows:

RSVD

GND

RSVD

GND

RSVD

+5V

RSVD

+5V

3.3.7 CN1 & CN2: PC/104 ISA BUS CONNECTOR

The ISA bus connector is the connection to the system CPU. This connector is used only as a +5V and ground source. The position and pin

assignments are compliant with the PC/104 Specification. (See PC/104 Specifications on page 19).

3.3.8 CN3: PCI-104 PCI BUS CONNECTOR

The PCI connector is the connection to PCI peripheral modules. This connector is used only as a +5V and ground source. The position and

pin assignments are compliant with the PC/104-Plus Specification. (See PC/104 Specifications on page 19).

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Rtd LAN18255HR Manuel d'utilisateur Page 12

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