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DS1864 Datasheet, PDF (60/72 Pages) Dallas Semiconductor – SFP Laser Controller and Diagnostic IC
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SFP Laser Controller and
Diagnostic IC
Table 04h (Table 01h in DS1859 Configuration), DDh: LOS Threshold (LOS)
FACTORY DEFAULT:
00h
MEMORY TYPE:
Shadowed Memory (SEE)
DDh
27
26
25
24
23
22
21
20
bit7
bit0
This byte sets a low D/A threshold for comparing received power (RSSI) level. Only the upper 8 bits of the 16 bit value are
compared.
Table 05h Register Descriptions
Table 05h, C0h to C1h: Device ID
FACTORY DEFAULT:
18 64h
MEMORY TYPE:
Hardwired
C0h
0
0
0
1
1
0
0
0
C1h
0
1
1
0
0
1
0
0
bit7
bit0
These bytes identify the device as a DS1864.
Table 05h, C2h: Device Revision
FACTORY DEFAULT:
##h
MEMORY TYPE:
Hardwired
C2h
27
26
25
24
23
22
21
20
bit7
bit0
This byte indicates revision of the design.
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