ds1863 Maxim Integrated Products, Inc., ds1863 Datasheet - Page 53

• Manufacturer Part Number: ds1863
• Description: Ds1863 Burst-mode Pon Controller With Integrated Monitoring
• Manufacturer: Maxim Integrated Products, Inc.

Table 02h, Register B4h to B7h: PW2
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
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-up without writing the password entry. All reads of this
register are 00h.
Table 02h, Register B0h to B3h: PW1
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
The PWE value is compared against the value written to this location to enable PW1 access. At power-on, the PWE value is set to all
ones. Thus writing these bytes to all ones grants PW1 access on power-up without writing the password entry. All reads of this
register are 00h.
B0h
B1h
B2h
B3h
B4h
B5h
B6h
B7h
bit7
bit7
2
2
2
2
2
2
2
2
31
23
15
31
23
15
7
7
FFFF FFFFh
N/A
PW2
FFFF FFFFh
N/A
PW2
2
2
2
Nonvolatile (SEE)
2
2
2
Nonvolatile (SEE)
2
2
30
22
14
30
22
14
6
6
____________________________________________________________________
2
2
2
2
2
2
2
2
29
21
13
29
21
13
5
5
Burst-Mode PON Controller
With Integrated Monitoring
2
2
2
2
2
2
2
2
28
20
12
28
20
12
4
4
2
2
2
2
2
2
2
2
27
19
11
27
19
11
3
3
2
2
2
2
2
2
2
2
26
18
10
26
18
10
2
2
2
2
2
2
2
2
2
2
25
17
25
17
9
1
9
1
bit0
bit0
2
2
2
2
2
2
2
2
24
16
24
16
8
0
8
0
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