DS1878T+T&R Maxim Integrated Products, DS1878T+T&R Datasheet - Page 78

• 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

SFP+ Controller with Digital LDD Interface
Table 02h, Register C4h: DAC2TI
Table 02h, Register C5h: ISTEPTI
78
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C4h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
DAC2 temperature index defines the TempCo boundary for the DAC2 LUT. The DAC2TC bit (Table 02h, Register
C6h) defines the polarity of the TempCo. This value is compared with the adjusted memory address used during
the LUT recall, not the value in the TINDEX register (Table 02h, Register 81h).
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
Determines which value between ISTEPH and ISTEPL is used as the ISTEP. TINDEX > ISTEPI, ISTEPH is used.
TINDEX < ISTEPTI, ISTEPL is used.
BIT 7
2
7
2
6
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
2
5
DAC2TI =
2
Temp _ Value + 40°C
4
4°C
2
3
+ 80h
2
2
2
1
BIT 0
2
0