DS1864 Maxim Integrated Products, DS1864 Datasheet - Page 29

• Manufacturer Part Number: DS1864
• Description: SFP Laser Controller and Diagnostic IC
• Manufacturer: Maxim Integrated Products

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Lower Memory Register 0Eh to 0Fh: Low V
FACTORY DEFAULT:
MEMORY TYPE:
V ol tag e m easur em ents of the V
M easur em ents ab ove thi s thr eshol d w i l l automatically cl ear i ts w ar ni ng b i t.
Lower Memory Register 10h to 11h: High MON1 Alarm Limit
FACTORY DEFAULT:
MEMORY TYPE:
V ol tag e m easur em ents of the M ON 1 i np ut ab ove thi s thr eshol d w i l l set i ts cor r esp ond i ng al ar m b i t ( Low er M em or y Reg i ster 70h, b i t 3) .
M easur em ents b el ow thi s thr eshol d w i l l automatically cl ear i ts al ar m b i t.
Lower Memory Register 12h to 13h: Low MON1 Alarm Limit
FACTORY DEFAULT:
MEMORY TYPE:
V ol tag e m easur em ents of the M ON 1 i np ut b el ow thi s thr eshol d w i l l set i ts cor r esp ond i ng al ar m b i t ( Low er M em or y Reg i ster 70h, b i t 2) .
M easur em ents ab ove thi s thr eshol d w i l l automatically cl ear i ts al ar m b i t.
Lower Memory Register 14h to 15h: High MON1 Warning Limit
FACTORY DEFAULT:
MEMORY TYPE:
V ol tag e m easur em ents of the M ON 1 i np ut ab ove thi s thr eshol d w i l l set i ts cor r esp ond i ng w ar ni ng b i t ( Low er M em or y Reg i ster 74h, b i t 3) .
M easur em ents b el ow thi s thr eshol d w i l l automatically cl ear i ts w ar ni ng b i t.
0Eh
0Fh
10h
11h
12h
13h
14h
15h
bit7
bit7
bit7
bit7
2
2
2
2
2
2
2
2
15
15
15
15
7
7
7
7
C C
i np ut b el ow thi s thr eshol d w i l l set i ts cor r esp ond i ng w ar ni ng b i t ( Low er M em or y Reg i ster 74h, b i t 4) .
0000h
0000h
0000h
0000h
Shadowed Memory (SEE)
2
Shadowed Memory (SEE)
2
2
2
Shadowed Memory (SEE)
Shadowed Memory (SEE)
2
2
2
2
14
14
14
14
6
6
6
6
____________________________________________________________________
CC
Warning Limit
2
2
2
2
2
2
2
2
13
13
13
13
5
5
5
5
SFP Laser Controller and
2
2
2
2
2
2
2
2
12
12
12
12
4
4
4
4
2
2
2
2
2
2
2
2
11
11
11
11
3
3
3
3
2
2
2
2
2
2
2
2
Diagnostic IC
10
10
10
10
2
2
2
2
2
2
2
2
2
2
2
2
9
1
9
1
9
1
9
1
bit0
bit0
bit0
bit0
2
2
2
2
2
2
2
2
8
0
8
0
8
0
8
0
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