DS1877T+TR MAXIM [Maxim Integrated Products], DS1877T+TR Datasheet - Page 31
DS1877T+TR
Manufacturer Part Number
DS1877T+TR
Description
SFP Controller for Dual Rx Interface
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
1.DS1877TTR.pdf
(65 pages)
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Lower Memory, Register 20h–21h: RSSI ALARM HI
Lower Memory, Register 24h–25h: RSSI WARN HI
Lower Memory, Register 22h–23h: RSSI ALARM LO
Lower Memory, Register 26h–27h: RSSI WARN LO
22h, 26h
23h, 27h
20h, 24h
21h, 25h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Voltage measurement updates below this unsigned threshold set its corresponding alarm or warning bit. Voltage
measurements equal to or above this threshold clear its alarm or warning bit.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Voltage measurement updates above this unsigned threshold set its corresponding alarm or warning bit.
Voltage measurements equal to or below this threshold clear its alarm or warning bit.
BIT 7
2
BIT 7
2
2
15
2
7
15
7
SFP Controller for Dual Rx Interface
2
2
2
14
2
6
14
6
0000h
All
PW2 or (PW1 and WLOWER)
Different A2h and B2h memory locations
Nonvolatile (SEE)
FFFFh
All
PW2 or (PW1 and WLOWER)
Different A2h and B2h memory locations
Nonvolatile (SEE)
2
2
2
13
2
5
13
5
2
2
2
12
2
4
12
4
2
2
2
11
2
3
11
3
2
2
2
2
10
2
10
2
2
2
2
2
9
1
9
1
BIT 0
BIT 0
2
2
2
2
8
0
8
0
31
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