Micrel, Inc.

MIC3003

November 2009

4

M9999-111209-C

Alarm Threshold Registers

........................................................................................................................................ 40

Temperature High Alarm Threshold ....................................................................................................................... 40

Temperature Low Alarm Threshold ........................................................................................................................ 40

Voltage High Alarm Threshold................................................................................................................................ 40

D[7] read/write ........................................................................................................................................................ 40

D[6] read/write ........................................................................................................................................................ 40

Voltage Low Alarm Threshold ................................................................................................................................ 41

Bias Current High Alarm Threshold........................................................................................................................ 41

Bias Current Low Alarm Threshold......................................................................................................................... 41

TX Optical Power High Alarm Threshold................................................................................................................ 41

TX Optical Power Low Alarm Threshold................................................................................................................. 42

RX Optical Power High Alarm Threshold ............................................................................................................... 42

RX Optical Power Low Alarm Threshold ................................................................................................................ 42

Warning Threshold Registers

.................................................................................................................................... 43

Temperature High Warning Threshold ................................................................................................................... 43

Temperature Low Warning Threshold .................................................................................................................... 43

Voltage High Warning Threshold............................................................................................................................ 43

Voltage Low Warning Threshold ............................................................................................................................ 43

Bias Current High Warning Threshold.................................................................................................................... 44

Bias Current Low Warning Threshold..................................................................................................................... 44

TX Optical Power High Warning............................................................................................................................. 44

TX Optical Power Low Warning.............................................................................................................................. 44

RX Optical Power High Warning Threshold ........................................................................................................... 45

RX Optical Power Low Warning Threshold ............................................................................................................ 45

Checksum (CHKSUM) Checksum of bytes 0 - 94 at serial address A2h............................................................... 45

ADC Result Registers

................................................................................................................................................. 46

Temperature Result................................................................................................................................................ 46

Voltage ................................................................................................................................................................... 46

Laser Diode Bias Current ....................................................................................................................................... 47

Transmitted Optical Power ..................................................................................................................................... 47

Received Optical Power ......................................................................................................................................... 48

Control and Status (CNTRL) .................................................................................................................................. 48

Application Select Control Mode (ASCM)............................................................................................................... 49

Alarm Flags............................................................................................................................................................. 50

Alarm Status Register 0 (ALARM0)........................................................................................................................ 50

Alarm Status Register 1 (ALARM1)........................................................................................................................ 50

Warning Flags

.............................................................................................................................................................. 51

Warning Status Register 0 (WARN0) ..................................................................................................................... 51

Warning Status Register 1 (WARN1) ..................................................................................................................... 51

Extended Control and Status (ECNTRL)................................................................................................................ 52

OEM Password Entry (OEMPW)............................................................................................................................ 52

Power-On Hours (POHh and POHl) ....................................................................................................................... 53

Data Ready Flags (DATARDY) .............................................................................................................................. 53

User Control Register (USRCTL) ........................................................................................................................... 54

RESETOUT ............................................................................................................................................................ 55

OEM Configuration Register 0 (OEMCFG0) .......................................................................................................... 56

OEM Configuration Register 1 (OEMCFG1) .......................................................................................................... 57

OEM Configuration Register 2 (OEMCFG2) .......................................................................................................... 58