DS1877 datasheet(3/65 Pages) MAXIM

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Maxim Integrated

SFP Controller for Dual Rx Interface

DS1877

I2C Communication ... ... .. ... .. ... ... .. ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... ... .. ... .. ... . 20

I2C Definitions ..............................................................................20

I2C Protocol................................................................................ 21

Memory Organization .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... ... . 23

Shadowed EEPROM ......................................................................... 24

Register Descriptions .. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... ... . 25

Memory Map Access Codes .................................................................. 25

Memory Addresses A0h, A2h, and B2h .......................................................... 25

Lower Memory Register Map .................................................................. 26

Table 01h Register Map ...................................................................... 26

Table 02h Register Map ...................................................................... 27

Table 04h Register Map ...................................................................... 27

Table 05h Register Map ...................................................................... 28

Auxiliary Memory A0h Register Map ............................................................ 28

Lower Memory Register Descriptions ............................................................29

Table 01h Register Descriptions ................................................................40

Table 02h Register Descriptions ................................................................43

Table 04h Register Descriptions ................................................................ 62

Auxiliary Memory A0h Register Descriptions ......................................................63

Applications Information.. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... .. 64

Power-Supply Decoupling.....................................................................64

SDA and SCL Pullup Resistors .................................................................64

Package Information.. .. ... ... .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... .. ... ... ... .. ... .. ... ... .. 64

Revision History ... ... .. .. ... ... .. ... .. ... .. ... ... .. ... ... .. ... ... ... .. ... .. ... ... .. ... ... .. .. 65

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