DS1864 Maxim Integrated Products, DS1864 Datasheet - Page 38

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

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SFP Laser Controller and
Diagnostic IC
38
Lower Memory Register 74h: Warning Flags
POWER-ON VALUE:
MEMORY TYPE:
____________________________________________________________________
74h
TMPhi
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
bit7
TMPwrnhi: High Warning Status for Temperature measurement.
0 = Temperature measurement is below set limit.
1 = Temperature measurement is above set limit.
TMPwrnlo: Low Warning Status for Temperature measurement.
0 = Temperature measurement is above set limit.
1 = Temperature measurement is below set limit.
V
0 = V
1 = V
V
0 = V
1 = V
MON1wrnhi: High Warning Status for MON1 measurement.
0 = MON1 measurement is below set limit.
1 = MON1 measurement is above set limit.
MON1wrnlo: Low Warning Status for MON1 measurement.
0 = MON1 measurement is above set limit.
1 = MON1 measurement is below set limit.
MON2wrnhi: High Warning Status for MON2 measurement.
0 = MON2 measurement is below set limit.
1 = MON2 measurement is above set limit.
MON2wrnlo: Low Warning Status for MON2 measurement.
0 = MON2 measurement is above set limit.
1 = MON2 measurement is below set limit.
CC
CC
TMPlo
wrnhi: High Warning Status for V
wrnlo: Low Warning Status for V
Determined after each channel’s first analog-to-digital conversion.
Volatile (SRAM)
CC
CC
CC
CC
measurement is below set limit.
measurement is above set limit.
measurement is above set limit.
measurement is below set limit.
V
CC
hi
V
CC
CC
CC
lo
measurement.
measurement.
MON1hi
MON1lo
MON2hi
MON2lo
bit0