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DS1864 Datasheet(PDF) 29 Page - Dallas Semiconductor

Part # DS1864
Description  SFP Laser Controller and Diagnostic IC
PDF  72 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1864 Datasheet(HTML) 29 Page - Dallas Semiconductor

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SFP Laser Controller and
Diagnostic IC
____________________________________________________________________
29
Lower Memory Register 0Eh to 0Fh: Low VCC Warning Limit
FACTORY DEFAULT:
0000h
MEMORY TYPE:
Shadowed Memory (SEE)
0Eh
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
0Fh
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
bit7
bit0
Voltage measurements of the VCC input below this threshold will set its corresponding warning bit (Lower Memory Register 74h, bit 4).
Measurements above this threshold will automatically clear its warning bit.
Lower Memory Register 10h to 11h: High MON1 Alarm Limit
FACTORY DEFAULT:
0000h
MEMORY TYPE:
Shadowed Memory (SEE)
10h
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
11h
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
bit7
bit0
Voltage measurements of the MON1 input above this threshold will set its corresponding alarm bit (Lower Memory Register 70h, bit 3).
Measurements below this threshold will automatically clear its alarm bit.
Lower Memory Register 12h to 13h: Low MON1 Alarm Limit
FACTORY DEFAULT:
0000h
MEMORY TYPE:
Shadowed Memory (SEE)
12h
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
13h
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
bit7
bit0
Voltage measurements of the MON1 input below this threshold will set its corresponding alarm bit (Lower Memory Register 70h, bit 2).
Measurements above this threshold will automatically clear its alarm bit.
Lower Memory Register 14h to 15h: High MON1 Warning Limit
FACTORY DEFAULT:
0000h
MEMORY TYPE:
Shadowed Memory (SEE)
14h
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
15h
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
bit7
bit0
Voltage measurements of the MON1 input above this threshold will set its corresponding warning bit (Lower Memory Register 74h, bit 3).
Measurements below this threshold will automatically clear its warning bit.



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