DS1884 datasheet(3/92 Pages) MAXIM

3 / 92 page

DS1884

SFP and PON ONU Controller

with Digital LDD Interface

Maxim Integrated

LOS, LOSOUT ........................................................................... 26

RSEL .................................................................................. 26

TXD, TXDOUT ........................................................................... 26

IN1, TXF, Transmit Fault (TXFOUT) Output ..................................................... 27

Die Identification ............................................................................ 27

DS1884 Master Communication Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3-Wire Master Interface....................................................................... 28

Protocol ................................................................................ 28

3-Wire Slave Register Map and DS1884 Corresponding Location ................................... 29

3-Wire Master Flowchart ...................................................................29

DS1884 with MAX3710 Operating Modes ........................................................ 31

Open Loop Mode, DPC_EN = 0, APC_EN = 0 .................................................. 31

APC Loop Mode, DPC_EN = 0, APC_EN = 1................................................... 31

Dual Closed-Loop Mode, DPC_EN = 1, APC_EN = 1 ............................................ 31

BIAS, MODULATION, SET_2XAPC, TXCTRL5 LUTs ................................................ 31

MODULATION Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

BIAS Value ..............................................................................33

Power Leveling .............................................................................34

Manual MAX3710 Operations ..................................................................34

I2C Communication ... ... .. ... .. ... ... .. ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... .. ... . 34

I2C Definition ...............................................................................34

I2C Protocol................................................................................36

Memory Organization .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... ... . 37

Register Descriptions .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... ... . 39

A2h Lower Memory Register Map .............................................................. 39

A2h Table 01h Register Map...................................................................39

A2h Table 02h Register Map ..................................................................40

A2h Table 04h Register Map .................................................................. 41

A2h Table 05h Register Map .................................................................. 41

A2h Table 06h Register Map .................................................................. 41

A2h Table 08h Register Map .................................................................. 42

A2h Table 09h Register Map .................................................................. 42

Auxiliary A0h Memory Register Map ............................................................ 42

A2h Lower Memory Register Descriptions ........................................................43

A2h Lower Memory, Register 00h–01h: TEMP ALARM HI ........................................43

A2h Lower Memory, Register 04h–05h: TEMP WARN HI .........................................43

TABLE OF CONTENTS (continued)

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