Datasheet
DS1886
SFP and PON ONU Controller
with Digital LDD Interface
85Maxim Integrated
A2h Table 02h, Register F2h: WRITE
A2h Table 02h, Register F3h: READ
A2h Table 02h, Register F4h: TXSTAT2
FACTORY DEFAULT 00h
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS PW2 or (PW1 and RWTBL246)
MEMORY TYPE Nonvolatile (SEE)
F2h 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
This byte is used during manual 3-wire communication. When a manual write is initiated, this register contains the
address for the operation.
FACTORY DEFAULT 00h
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS N/A
MEMORY TYPE Volatile
F3h 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
This byte is used during maunual 3-wire communication. When a manual read is initiated, the return data is stored
in this register.
FACTORY DEFAULT 00h
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
WRITE ACCESS N/A
MEMORY TYPE Nonvolatile (SEE)
F4h 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
A 3-wire slave register. This value is read from a Maxim laser driver with the 3-wire interface every t
RR
(see the
Analog Voltage Monitoring Characteristics table).










