DS1878T+T Maxim Integrated Products, DS1878T+T Datasheet - Page 79
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 C6h: LUTTC
C6h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
MODTC
BITS 4:0
SFP+ Controller with Digital LDD Interface
BIT 7
BIT 7
BIT 6
BIT 5
______________________________________________________________________________________
MODTC: Modulation TempCo
0 = Positive TempCo. For a TINDEX (Table 02h, Register 81h) below the MODTI value (Table 02h,
Register C2h), the 8-bit recalled value from the MODULATION LUT is stored in the lower 8 bits of the
MODULATION register. For a TINDEX greater than or equal to MODTI, the recalled value is stored in the
upper 8 bits of the MODULATION register.
1 = Negative TempCo. For a TINDEX below the MODTI value, the 8-bit recalled value from the
MODULATION LUT is stored in the upper 8 bits of the MODULATION register. For a TINDEX greater
than or equal to MODTI, the recalled value is stored in the lower 8 bits of the MODULATION register.
DAC1TC: DAC1 TempCo
0 = Positive TempCo. For a TINDEX (Table 02h, Register 81h) below the DAC1TI value (Table 02h,
Register C3h), the 8-bit recalled value from the DAC1 LUT is stored in the lower 8 bits of the DAC1
DAC’s register. For a TINDEX greater than or equal to DAC1TI, the recalled value is stored in the upper
8 bits of the DAC1 DAC’s register.
1 = Negative TempCo. For a TINDEX below the DAC1TI value, the 8-bit recalled value from the DAC1
LUT is stored in the upper 8 bits of the DAC1 DAC’s register. For a TINDEX greater than or equal to
DAC1TI, the recalled value is stored in the lower 8 bits of the DAC1 DAC’s register.
DAC2TC: DAC2 TempCo
0 = Positive TempCo. For a TINDEX (Table 02h, Register 81h) below the DAC2TI value (Table 02h,
Register C4h), the 8-bit recalled value from the DAC2 LUT is stored in the lower 8 bits of the DAC2
DAC’s register. For a TINDEX greater than or equal to DAC2TI, the recalled value is stored in the upper
8 bits of the DAC2 DAC’s register.
1 = Negative TempCo. For a TINDEX below the DAC2TI value, the 8-bit recalled value from the DAC2
LUT is stored in the upper 8 bits of the DAC2 DAC’s register. For a TINDEX greater than or equal to
DAC2TI, the recalled value is stored in the lower 8 bits of the DAC2 DAC’s register.
RESERVED
DAC1TC
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
DAC2TC
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
BIT 0
79
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