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DS1886_V1 Datasheet - Page 72

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A2h Table 02h, Register B4h–B7h: PW2
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
31
B4h
2
23
B5h
2
15
B6h
2
7
B7h
2
BIT 7
The PWE value is compared against the value written to this location to enable PW2 access. At power-on, the PWE
value is set to all ones. Thus, writing these bytes to all ones grants PW2 access on power-on without writing the
password entry. All reads of this register are 00h.
A2h Table 02h, Register B8h–BFh: EMPTY
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
These registers are empty.
SFP and PON ONU Controller
with Digital LDD Interface
FFFF FFFFh
N/A
PW2
Nonvolatile (SEE)
30
29
28
2
2
2
22
21
20
2
2
2
14
13
12
2
2
2
6
5
4
2
2
2
N/A
N/A
DS1886
27
26
25
2
2
2
19
18
17
2
2
2
11
10
9
2
2
2
3
2
1
2
2
2
24
2
16
2
8
2
0
2
BIT 0
72

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