DS1878T+T&R Maxim Integrated Products, DS1878T+T&R Datasheet - Page 43

• Manufacturer Part Number: DS1878T+T&R
• Description: IC CTLR SFP W/DGTL LDD RX 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: SFP+ Controllerr

Specifications of DS1878T+T&R

• Input Type: *
• Output Type: *
• Interface: *
• Current - Supply: *
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Lower Memory, Register 70h: ALARM
70h
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
MEMORY TYPE
TEMP HI
BIT 7
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
SFP+ Controller with Digital LDD Interface
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TEMP HI: High-alarm status for temperature measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
TEMP LO: Low-alarm status for temperature measurement.
0 = (Default) Last measurement was equal to or above threshold setting.
1 = Last measurement was below threshold setting.
VCC HI: High-alarm status for V
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
VCC LO: Low-alarm status for V
trip point value. It clears itself when a V
threshold.
0 = Last measurement was equal to or above threshold setting.
1 = (Default) Last measurement was below threshold setting.
MON1 HI: High-alarm status for MON1 measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
MON1 LO: Low-alarm status for MON1 measurement.
0 = (Default) Last measurement was equal to or above threshold setting.
1 = Last measurement was below threshold setting.
MON2 HI: High-alarm status for MON2 measurement.
0 = (Default) Last measurement was equal to or below threshold setting.
1 = Last measurement was above threshold setting.
MON2 LO: Low-alarm status for MON2 measurement.
0 = (Default) Last measurement was equal to or above threshold setting.
1 = Last measurement was below threshold setting.
TEMP LO
10h
All
N/A
Volatile
VCC HI
3
CC
CC
VCC LO
measurement.
measurement. This bit is set when the V
CC
measurement is completed and the value is above the low
MON1 HI
MON1 LO
CC
MON2 HI
supply is below the POA
MON2 LO
BIT 0
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