DS1873T+ Maxim Integrated Products, DS1873T+ Datasheet - Page 33

• Manufacturer Part Number: DS1873T+
• Description: IC CTLR SFP+ ANLG LDD 28-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Controllerr

Specifications of DS1873T+

• Number Of Channels: 1
• Voltage - Supply: 2.85 V ~ 3.9 V
• Current - Supply: 2.5mA
• Operating Temperature: -40°C ~ 95°C
• Package / Case: 28-WFQFN Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 90-1873T+000

The access codes represent the factory default values of PW_ENA and PW_ENB (Table 02h, Registers C0h–C1h).
These registers also allow for custom permissions.
C8–F7
00–7F
80–FF
Read
Access
Write
Access
ROW
ROW
(hex)
ACCESS
(hex)
A0
80
88
90
98
F8
CODE
<5>
<5>
<8>
<8>
<8>
<8>
<8>
<8>
OFFSET
EMPTY
NAME
NAME
separately
ROW
ROW
See each
AUX EE
AUX EE
SFP+ Controller with Analog LDD Interface
bit/byte
DAC2
LUT8
LUT8
LUT8
LUT8
LUT8
<0>
______________________________________________________________________________________
DAC2 OFF
BYTE 0/8
BYTE 0/8
PW2
EMPTY
<1>
DAC2
DAC2
DAC2
DAC2
DAC2
All
EE
EE
WORD 0
WORD 0
<2>
N/A
All
DAC2 OFF
BYTE 1/9
BYTE 1/9
EMPTY
DAC2
DAC2
DAC2
DAC2
DAC2
EE
EE
hardware
DS1873
All and
<3>
All
AUXILIARY MEMORY (A0h)
DAC2 OFF
BYTE 2/A
BYTE 2/A
TABLE 08h (DAC2 LUT)
EMPTY
DAC2
DAC2
DAC2
DAC2
DAC2
PW2 +
mode
EE
EE
PW2
<4>
bit
WORD 1
WORD 1
DAC2 OFF
BYTE 3/B
BYTE 3/B
<5>
All
All
EMPTY
DAC2
DAC2
DAC2
DAC2
DAC2
EE
EE
<6>
N/A
All
Auxiliary A0h Memory Register Map
RESERVED
DAC2 OFF
BYTE 4/C
BYTE 4/C
EMPTY
DAC2
DAC2
DAC2
DAC2
EE
EE
PW1
PW1
<7>
WORD 2
WORD 2
RESERVED RESERVED
DAC2 OFF
BYTE 5/D
BYTE 5/D
EMPTY
DAC2
DAC2
DAC2
DAC2
PW2
PW2
<8>
Table 08h Register Map
EE
EE
PW2
<9>
N/A
DAC2 OFF
BYTE 6/E
BYTE 6/E
EMPTY
DAC2
DAC2
DAC2
DAC2
EE
EE
WORD 3
WORD 3
<10>
PW2
N/A
RESERVED
DAC2 OFF
BYTE 7/F
BYTE 7/F
EMPTY
DAC2
DAC2
DAC2
DAC2
EE
EE
<11>
PW1
All
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