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
1
PG0
Power good signal, power supply status indication
2
PG1
Power good signal, power supply status indication
3
PG2
Power good signal, power supply status indication
4
PG3
Power good signal, power supply status indication
5
xReset_IN
Reset signal to PoE application (used for cascading purposes).
6
xDisable_ports
Disable_ports signal to PoE application (used for cascading purposes).
7
xPoE_RESET
Reset signal to PD69208 ICs (used for cascading purposes).
8
xHSWP
Hot Swap control signal, used when PoE application is hot swappable.
9
BKGD
PoE controller burning signal.
10, 11,
17, 18,
21, 23,
24, 29
GND_D
Digital ground at PoE domain.
12, 13
Reserved
Reserved
12
SDA_in_auto_mode
I
2
C SDA_in – Data I
2
C signal (used for cascading purposes).
14
SDA_out_auto_mode
I
2
C SDA_out – Data I
2
C signal (used for cascading purposes).
15
SCL_auto_mode
I
2
C SCL – Clock I
2
C signal (used for cascading purposes).
19
LED_SCK
Clock LED signal – Running to LED indication board.
20
LED_DATA
Data LED signal – Running to LED indication board.
22
LED_Latch
Latch LED signal – Running to LED indication board.
25
ESPI_CS
ESPI 'chip select' signal (used for cascading purposes).
26
ESPI_MOSI
ESPI 'master out slave in' signal (used for cascading purposes).
27
ESPI_MISO
ESPI 'master in' slave out' signal (used for cascading purposes).
28
ESPI_SCK
ESPI clock (used for cascading purposes).
30
VAUX3P3
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