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Ds1874 sfp+ controller with digital ldd interface – Rainbow Electronics DS1874 User Manual

Page 73

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DS1874

SFP+ Controller with Digital LDD Interface

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73

Table 02h, Register C4h: DAC2TI

FACTORY

DEFAULT

00h

READ ACCESS

PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)

WRITE ACCESS

PW2 or (PW1 and RWTBL246)

MEMORY TYPE

Nonvolatile (SEE)

C4h 2

7

2

6

2

5

2

4

2

3

2

2

2

1

2

0

BIT

7

BIT

0

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).

DAC2TI

=

Temp _ Value

+ 40°C

4

°C

+ 80h

FACTORY

DEFAULT

00h

READ ACCESS

PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)

WRITE ACCESS

PW2 or (PW1 and RWTBL246)

MEMORY

TYPE Nonvolatile

(SEE)

This register is reserved.

Table 02h, Register C5h: RESERVED