DS1886 datasheet(3/92 Pages) MAXIM

3 / 92 page

�� Maxim Integrated Products 3

DS1886

SFP and PON ONU Controller

with Digital LDD Interface

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

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

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

IN1, TXF, Transmit Fault (TXFOUT) Output ..................................................... 26

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

DS1886 Master Communication Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

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

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

3-Wire Slave Register Map and DS1886 Corresponding Location ................................... 29

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

3-Wire Power-On Reset....................................................................... 31

DS1886 with MAX3710 Operating Modes ........................................................ 32

Open Loop Mode, DPC_EN = 0, APC_EN = 0 .................................................. 32

APC Loop Mode, DPC_EN = 0, APC_EN = 1................................................... 32

Dual Closed-Loop Mode, DPC_EN = 1, APC_EN = 1 ............................................ 32

BIAS, MODULATION, SET_2XAPC, TXCTRL5 LUTs ................................................ 32

MODULATION Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

BIAS Value ..............................................................................34

Power Leveling .............................................................................35

Manual MAX3710 Operations ..................................................................35

I2C Communication ... .. ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... ... ... .. .. ... ... .. ... ... .. .. 35

I2C Definition ...............................................................................35

I2C Protocol................................................................................ 37

Memory Organization .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... ... . 38

Register Descriptions .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... ... . 40

A2h Lower Memory Register Map ..............................................................40

A2h Table 01h Register Map...................................................................40

A2h Table 02h Register Map .................................................................. 41

A2h Table 04h Register Map .................................................................. 42

A2h Table 05h Register Map .................................................................. 42

A2h Table 06h Register Map .................................................................. 42

A2h Table 08h Register Map ..................................................................43

A2h Table 09h Register Map ..................................................................43

Auxiliary A0h Memory Register Map ............................................................43

A2h Lower Memory Register Descriptions ........................................................44

A2h Lower Memory, Register 00h–01h: TEMP ALARM HI ........................................44

TABLE OF CONTENTS (continued)

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