DS1863 datasheet(19/62 Pages) MAXIM

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Burst-Mode PON Controller

With Integrated Monitoring

____________________________________________________________________

LOWER MEMORY

WORD 0

WORD 1

WORD 2

WORD 3

ROW

(HEX)

ROW

NAME

BYTE 0/8

BYTE 1/9

BYTE 2/A

BYTE 3/B

BYTE 4/C

BYTE 5/D

BYTE 6/E

BYTE 7/F

<1>THRESHOLD0

TEMP ALARM HI

TEMP ALARM LO

TEMP WARN HI

TEMP WARN LO

<1>THRESHOLD1

VCC ALARM HI

VCC ALARM LO

VCC WARN HI

VCC WARN LO

<1>THRESHOLD2

MON1 ALARM HI

MON1 ALARM LO

MON1 WARN HI

MON1 WARN LO

<1>THRESHOLD3

MON2 ALARM HI

MON2 ALARM LO

MON2 WARN HI

MON2 WARN LO

<1>THRESHOLD4

MON3 ALARM HI

MON3 ALARM LO

MON3 WARN HI

MON3 WARN LO

<1>SHADOWED EE

SEE

<1>PW2 EE

<2>ADC VALUES0

TEMP VALUE

VCC VALUE

MON1 VALUE

MON2 VALUE

<0> ADC VALUES1

<2>MON3 VALUE

<2>RESERVED

<0>STATUS

<3>UPDATE

<2>ALARM/WARN

ALARM3

ALARM2

ALARM1

ALARM0

WARN3

WARN2

RESERVED

<0>TABLE SELECT <6>RESERVED <6>RESERVED <6>RESERVED

<6>PWE MSB

<6>PWE LSB

<5>TBL SEL

Access Code

<0>

<1>

<2>

<3>

<4>

<5>

<6>

<7>

<8>

<9>

<10>

<11>

Read Access

All

PW2

All

N/A

PW1

PW2

N/A

PW2

All

Write Access

See each

bit/byte

separately

PW2

N/A

All and

DS1863

Hardware

PW2 +

mode bit

All

PW1

PW2

N/A

PW1

Lower Memory Register Map

This register map shows each byte/word in terms of the

row it is on in the memory. The first byte in the row is

located in memory at the row address (hexadecimal) in

the left most column. Each subsequent byte on the row is

one/ two memory locations beyond the previous

byte/word’s address. A total of eight bytes are present

on each row. For more information about each of these

bytes see the corresponding register description.

DS1863 Datasheet(PDF) 19 Page - Maxim Integrated Products

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