DS1877T+TR MAXIM [Maxim Integrated Products], DS1877T+TR Datasheet - Page 56
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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Table 02h, Register BEh: HLOS1
SFP Controller for Dual Rx Interface
Table 02h, Register BDh: RESERVED
Table 02h, Register BFh: LLOS1
56
BEh
BFh
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
This register is reserved.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Fast comparison DAC threshold adjust for high LOS1. The combination of HLOS1 and LLOS1 creates a hyster-
esis comparator. As RSSI falls below the LLOS1 threshold, the LOS1 LO alarm bit is set to 1. The LOS1 alarm
remains set until the RSSI1 input is found above the HLOS1 threshold setting, which clears the LOS1 LO alarm
bit and sets the LOS1 HI alarm bit.
Fast comparison DAC threshold adjust for low LOS1. See HLOS1 (Table 02h, Register BEh) for the functional
description.
BIT 7
BIT 7
2
2
7
7
2
2
6
6
00h
N/A
N/A
N/A
N/A
00h
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
(PW2 and QT2EN = 0) or (PW1 and RWTBL2 and QT2EN = 0)
Common A2h and B2h memory locations
Nonvolatile (SEE)
00h
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
(PW2 and QT2EN = 0) or (PW1 and RWTBL2 and QT2EN = 0)
Common A2h and B2h memory locations
Nonvolatile (SEE)
2
2
5
5
2
2
4
4
2
2
3
3
2
2
2
2
2
2
1
1
BIT 0
BIT 0
2
2
0
0
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