SFP Laser Controller and
Diagnostic IC
Table 8. Password-Enable Chart
ENABLE BIT
PW2 (C1h, C2h)
TABLE 04h
(TABLE 01h IN
DS1859
CONFIGURATION)
0
0
1
ENABLE BIT
PW1 (D1h, D2h),
TABLE 05h
0
1
X
STATUS
?
UNPROTECTED
PW1 PASSWORD
PROTECTED
PW2 PASSWORD
PROTECTED
Table 9. Memory Block Assignments
A0h
A0h
A2h
A2h
MEMORY
BLOCK
(RANGE)
(00h TO 7Fh)
AUXILIARY
DEVICE
LOWER
(80h TO FFh)
AUXILIARY
DEVICE
UPPER
(00h TO 7Ah)
MAIN
DEVICE
LOWER
A2h
(80h TO F7h)
TABLE 01h*
A2h
(F8h TO FFh)
TABLE 01h*
(80h TO C7h)
TABLE 04h
AND
TABLES*
A2h
(F8h TO FFh)
TABLE 05h
A2h
(D0h TO D6h)
TABLE 05h
MEMORY
MEMORY
MEMORY
02h, 03h
ENABLE BIT
LOCATIONS
0
1
2
3
4
5
6
7
* Table 01h becomes Table 00h in DS1859 configuration.
Table 04h becomes Table 01h in DS1859 configuration.
26
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