PD69012 - 12 Ports Power Over Ethernet Manager

Microsemi

Analog Mixed Signal Group

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

Page 13

Copyright

© 2009

Rev. 1.0, 2009-03-03

Pin

Pin Name

Pin Type

Description

29

PORT_SENSE8

Analog I/O

Channel current monitoring

30

FET_G8

Analog I/O

Port 8 – Gate control

31

FET_G9

Analog I/O

Port 9 – Gate control

32

PORT_SENSE9

Analog I/O

Channel current monitoring

33

VPORT_NEG9

Analog I/O

Port 9 negative voltage feeding

34

VPORT_NEG10

Analog I/O

Port 10 negative voltage feeding

35

PORT_SENSE10

Analog I/O

Channel current monitoring

36

FET_G10

Analog I/O

Port 10 – Gate control

37

FET_G11

Analog I/O

Port 11 – Gate control

38

PORT_SENSE11

Analog I/O

Channel current monitoring

39

VPORT_NEG11

Analog I/O

Port 11 negative voltage feeding

40

DGND1

GND

Digital ground

41

DISABLE_PORTS_N

Digital Input

Disable All Ports Power – Active Low

42

CS_N

Digital I/O

SPI bus, Chip Select

43

MISO

Digital I/O

SPI bus, Master Data in/slave out

44

MOSI

Digital I/O

SPI bus, Master Data out/slave in

45

SCK

Digital I/O

SPI bus, Serial clock I/O

46

SCL

Digital Input

I2C bus, Serial Clock Input

47

SDA_OUT MULTIPLEXED WITH

TEST_MODE

Digital I/O

Test Mode Pin – Must be tied to VPERI with pull-up

resistor if not used

48

SDA

Digital I/O

I2C bus, open drain

49

RESET_N

Digital I/O

Active Low Reset I/O

50

IREF

Analog I/O

Current reference

51

ASICINI

Analog Input

Analog input for chip initialization

52

VCC2P5

Internal Regulator Internal 2.5 v source – not to be used for external devices

53

I2CINI

Analog Input

Analog input for I2C initialization

54

QGND

GND

Quiet analog ground

55

ADC2P5

Internal reference ADC reference – not to be used for external devices

56

EXT_REG

Analog Out

External regulation

57

VPERI

Analog Out

Regulated 3.3 v output voltage source for external devices

58

CS_EEPROM_N & LSL MULTIPLEXED

WITH INTERRUPT_N

Digital Output

Open drain

SPI bus, EEPROM Chip Select & Led Stream Latch (if set)

Multiplexed with interrupt out