DIGITAL-LOGIC AG

SMA200 Manual V1.0

5.4.12.GLAN

 

 

 

 

On Module

Ext. Ter-

Max.

 

Matched

Signal

BUS

Type

Description

Termination

mination

Length

Ohm

Length in

 

 

 

 

 

Needed

in mm

 

mm

GLAN_TX +/-

GLAN

GLAN_RX +/-

GLAN

GLAN-CLK +/-

GLAN

 

 

 

 

LCI_TXD[2..0]

LCI

LCI_RXD[2..0]

LCI

LCI_RST

LCI

 

 

Dif

Dif

Dif

3.3V

Out

3.3V

In

3.3V

Out

GLAN TX pair for 1GE GLAN RX pair for 1GE GLAN reference clock pair

3x TX signal for 10/100MB

3x RX signal for 10/100MB LAN reset/synch

-

-

-

-

-

-

100nF

250

95

100nF

250

95

33 Ohm

250

50

 

 

 

 

 

 

-

250

50

-

250

50

-

250

50

 

 

 

0.5

0.5

-

-

-

-

If the signals are not used:

Unused GLAN /LCI interfaces may be open.

Remarks:

The 10nF capacitors 0402 need to be placed directly at the SATA connector. Maximum via count is 2 per signal.

BUS to BUS spacing is min. 20mil = 0.5mm Pair to Pair spacing is min. 35mil = 0.9mm

EMV/EMI filters:

Are not needed.

36

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Image 36
Compaq SMA200 user manual Glantx + Glanrx + GLAN-CLK +, Lcirst LCI