PD69008 - 8 Ports Power Over Ethernet Manager

Microsemi

Analog Mixed Signal Group

Page 12

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

Copyright

© 2009

Rev. 1.0, 2009-03-15

Pin

Pin Name

[Package]

Pin Type

Description

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 Asic initialization

52

VCC2P5

Internal Regulator

Internal 2.5v 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 3.3v 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

59

LSD MULTIPLEXED WITH GPIO_2

Digital I/O

LED Stream Data – data out Multiplexed with

General purpose I/O

60

LSC MUXED WITH GPIO_3

Digital I/O

LED Stream CLK– CLK out Multiplexed with

General purpose I/O

61

SENSE_NEG

Analog I/O

Port sense reference

62

AGND2

GND

Analog ground

63

VPORT_NEG0

Analog I/O

Port 0 negative voltage feeding

64

PORT_SENSE0

Analog I/O

Channel current monitoring

65

FET_G0

Analog I/O

Port 0 – Gate control

66

FET_G1

Analog I/O

Port 1 – Gate control

67

PORT_SENSE1

Analog I/O

Channel current monitoring

68

VPORT_NEG1

Analog I/O

Port 1 negative voltage feeding

69

VPORT_NEG2

Analog I/O

Port 2 negative voltage feeding

70

PORT_SENSE2

Analog I/O

Channel current monitoring

71

FET_G2

Analog I/O

Port 2 – Gate control

72

FET_G3

Analog I/O

Port 3 – Gate control

73

PORT_SENSE3

Analog I/O

Channel current monitoring

74

VPORT_NEG3

Analog I/O

Port 3 negative voltage feeding

75

VPORT_NEG4

Analog I/O

Port 4 negative voltage feeding

76

PORT_SENSE4

Analog I/O

Channel current monitoring

77

FET_G4

Analog I/O

Port 4 – Gate control

78

FET_G5

Analog I/O

Port 5 – Gate control

79

PORT_SENSE5

Analog I/O

Channel current monitoring

80

VPORT_NEG5

Analog I/O

Port 5 negative voltage feeding