PD671xxx - 8 / 12 / 24-Channel PoE AF and AT DIMM

Data Sheet (Non-confidential)

Copyright © 2009

Microsemi

Page 9

Rev. 1.0 / 17-March-10

Analog Mixed Signal Group

2381 Morse Avenue, Irvine, CA 92614, USA; Within the USA: (800) 713-4113, Outside the USA: (949) 221-7100 Fax: (949) 756-0308

Functional Description____________________________________

The following sections detail the PD671xxx DIMM Master functions.

System Level

Figure 6 illustrates a 24-port Enhanced mode system based on the PD671xxx DIMM Master.

Figure 6: PD67124M/S DIMM Configuration

Figure 7 illustrates a 24-port Auto mode system based on the PD671xxx DIMM Master.

Figure 7: PD67124AM/AS DIMM Configuration

ENHANCED

DIMM

PD67124AM

ISOLATION

I/O

PD

(1 of 24)

HOST

CPU

Master

Ethernet

Switch

PoE

System

I

SPI

Bus

PD

(25 of 48)

ENHANCED

DIMM

PD67124AS

Slave

PD69012

PD69012

PD69012

PD69012

Control Lines

Control

Lines

ENHANCED

DIMM

PD67124M

ISOLATION

I/O

PD

(1 of 24)

HOST

CPU

Master

Ethernet

Switch

PoE

System

SPI

Bus

PD

(25 of 48)

ENHANCED

DIMM

PD67124S

Slave

PD69012

PD69012

PD69012

PD69012

Control Lines

Control

Lines

PoE

Controller

PD69000