DS1878T+T Maxim Integrated Products, DS1878T+T Datasheet - Page 77
DS1878T+T
Manufacturer Part Number
DS1878T+T
Description
Current Mode PWM Controllers SFP+ Controller w/ MAX3946&3945
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1878TTR.pdf
(98 pages)
Specifications of DS1878T+T
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Table 02h, Register C2h: MODTI
Table 02h, Register C3h: DAC1TI
C3h
C2h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
SFP+ Controller with Digital LDD Interface
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
DAC1 temperature index (DAC1TI) defines the TempCo boundary for the DAC1 LUT. The DAC1TC 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).
The modulation temperature index defines the TempCo boundary for the MODULATION LUT. The MODTC bit
(Table 02h, Register C6h) defines the polarity of the TempCo.
BIT 7
BIT 7
2
______________________________________________________________________________________
2
7
7
2
2
6
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
2
5
5
DAC1TI =
MODTI =
2
2
Temp _ Value + 40°C
Temp _ Value + 40°C
4
4
2°C
4°C
2
2
3
3
+ 80h
+ 80h
2
2
2
2
2
2
1
1
BIT 0
BIT 0
2
2
0
0
77
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