PD-IM-7648 Evaluation System - User Guide
Copyright © 2013 Microsemi 12
Rev 1.0 / 25 Dec 13 Analog Mixed Signal Group
1 Enterprise, Aliso Viejo, CA 92656, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308
Manufacture part number: CH74162V100
MB: J2, DB: J7
Pin No. Signal Name Description
Power good signal, power supply status indication
Power good signal, power supply status indication
Power good signal, power supply status indication
Power good signal, power supply status indication
Reset signal to PoE application (used for cascading purposes).
Disable_ports signal to PoE application (used for cascading purposes).
Reset signal to PD69208 ICs (used for cascading purposes).
Hot Swap control signal, used when PoE application is hot swappable.
PoE controller burning signal.
17, 18,
21, 23,
Digital ground at PoE domain.
I
2
C SDA_in – Data I
2
C signal (used for cascading purposes).
I
2
C SDA_out – Data I
2
C signal (used for cascading purposes).
I
2
C SCL – Clock I
2
C signal (used for cascading purposes).
Clock LED signal – Running to LED indication board.
Data LED signal – Running to LED indication board.
Latch LED signal – Running to LED indication board.
ESPI 'chip select' signal (used for cascading purposes).
ESPI 'master out slave in' signal (used for cascading purposes).
ESPI 'master in' slave out' signal (used for cascading purposes).
ESPI clock (used for cascading purposes).
3.3 VDC = VAUX3P3 and 3V3_AUX, application's reference voltage
(isolated from hosting system domain), referenced to 'GND_D.'
Figure 11: Communication and Indication Connectors
Manufacturer: CviLux
Manufacture part number: CH74302V100
5. Isolated External Host (see Figure 12)
This host transmits control and indication signals beween the hosting system and MB. There is limited use for this
connector as most communication is via USB, RS232 or UART.
MB: J4