DS1877T+T&R Maxim Integrated Products, DS1877T+T&R Datasheet - Page 61

• Manufacturer Part Number: DS1877T+T&R
• Description: IC CTLR/MON SFP 1-2CH 28TQFN
• Manufacturer: Maxim Integrated Products
• Type: SFP+ Controllerr

Specifications of DS1877T+T&R

• Input Type: Logic
• Output Type: Logic
• Interface: I²C
• Current - Supply: 2.5mA
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1877T+TRL

Table 02h, Register CCh–CDh: DAC1 VALUE
Table 02h, Register CEh–CFh: RESERVED
Table 02h, Register D0h–FFh: EMPTY
CCh
CDh
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
The digital value used for DAC1 VALUE. It is the result of LUT4 plus DAC1 OFFSET times 4 recalled from
Address A0h, Table 04h (Registers F8h–FFh) at the adjusted memory address found in TINDEX. This register is
updated at the end of the temperature conversion.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
These registers do not exist.
These registers do not exist.
BIT 7
2
0
7
SFP Controller for Dual Rx Interface
2
0
6
V
DAC1
V
0000h
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
(PW2 and DAC1EN = 0) or (PW1 and RWTBL2 and DAC1EN = 0)
Common A2h and B2h memory locations
Volatile
00h
N/A
N/A
N/A
N/A
00h
N/A
N/A
N/A
None
DAC1
=
V
2
0
DAC1 VALUE = LUT4 + DAC1 OFFSET x 4
REFIN
5
=
V
1024
REFIN
−
V
1024
REFIN
×
2
0
DAC1 VALUE
4
×
DAC1 VALUE
2
0
3
d
(if POLARITY = 0)
d
(if POLARITY = 1)
2
0
2
2
2
9
1
BIT 0
2
2
8
0
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