DS1875T+ Maxim Integrated Products, DS1875T+ Datasheet - Page 84

• Manufacturer Part Number: DS1875T+
• Description: IC SFP CTRLR/TRIPLEXER 38-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of DS1875T+

• Applications: Fiber Optics
• Interface: I²C
• Voltage - Supply: 2.85 V ~ 3.9 V
• Package / Case: *
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PON Triplexer and SFP Controller
Table 02h, Register D8h to F7h: EMPTY
Table 02h, Register F8h to F9h: MAN BIAS
Table 02h, Register FAh: MAN_CNTL
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FAh
F8h
F9h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
When BIAS EN (Table 02h, Register 80h) is written to 0, bit 0 of this byte controls the updates of the MAN BIAS
value to the BIAS output. The values of MAN BIAS should be written with a separate write command. Setting bit 0
to a 1 clocks the MAN BIAS value to the output DAC.
RESERVED
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
1.
2.
3.
BIT 7
When BIAS EN (Table 02h, Register 80h) is written to 0, writes to these bytes control the BIAS DAC.
RESERVED
BIT 7
Write the MAN BIAS value with a write command.
Set the MAN_CLK bit to a 1 with a separate write command.
Clear the MAN_CLK bit to a 0 with a separate write command.
2
7
RESERVED
RESERVED
2
6
00h
PW2
PW2 and BIAS EN = 1
Volatile
RESERVED
00h
PW2
PW2 and BIAS EN = 1
Volatile
2
2
12
5
RESERVED
2
2
11
4
RESERVED
2
2
10
3
RESERVED
2
2
9
2
RESERVED
2
2
8
1
MAN_CLK
BIT 0
BIT 0
2
2
7
0