ds1877 Maxim Integrated Products, Inc., ds1877 Datasheet - Page 29
ds1877
Manufacturer Part Number
ds1877
Description
Sfp Controller For Dual Rx Interface
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS1877.pdf
(65 pages)
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Lower Memory, Register 02h–03h: TEMP ALARM LO
Lower Memory, Register 06h–07h: TEMP WARN LO
Lower Memory, Register 00h–01h: TEMP ALARM HI
Lower Memory, Register 04h–05h: TEMP WARN HI
00h, 04h
01h, 05h
02h, 06h
03h, 07h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Temperature measurement updates above this two’s complement threshold set its corresponding alarm or warn-
ing bit. Temperature measurement updates equal to or below this threshold clear its alarm or warning bit.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Temperature measurement updates below this two’s complement threshold set its corresponding alarm or warn-
ing bit. Temperature measurement updates equal to or above this threshold clear its alarm or warning bit.
BIT 7
BIT 7
2
S
2
-1
S
-1
SFP Controller for Dual Rx Interface
2
2
2
2
-2
6
-2
6
7FFFh
All
PW2 or (PW1 and WLOWER)
Common A2h and B2h memory locations
Nonvolatile (SEE)
8000h
All
PW2 or (PW1 and WLOWER)
Common A2h and B2h memory locations
Nonvolatile (SEE)
2
2
2
2
-3
5
-3
5
2
2
2
2
-4
4
-4
4
Lower Memory Register Descriptions
2
2
2
2
-5
3
-5
3
2
2
2
2
-6
2
-6
2
2
2
2
2
-7
1
-7
1
BIT 0
BIT 0
2
2
2
2
-8
-8
0
0
29
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