DS1875T+ Maxim Integrated Products, DS1875T+ Datasheet - Page 36

• 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
* The final result must be XORed with BB40h before writing to this register.
36
Read
Access
Write
Access
(HEX)
D8–F7
ACCESS
ROW
A0
A8
B0
B8
C0
C8
D0
80
88
90
98
F8
CODE
______________________________________________________________________________________
<9>
<8>
<8>
<0>
<0>
<8>
<8>
<8>
<8>
<8>
<8>
<8>
PWD VALUE
INTERRUPT
CNTL OUT
EMPTY
MAN BIAS
NAME
separately
CONFIG
CONFIG
OFFSET
OFFSET
OFFSET
ROW
See each
SCALE
SCALE
SCALE
bit/byte
<0>
0
1
2
0
1
1
0
1
<8>
BYTE 0/8
ENABLE
SAMPLE
<4>
PW2
EMPTY
MON3 FINE OFFSET
<1>
BIAS
RATE
MON3 FINE SCALE
FETG
All
DPU
MODE
MON5 OFFSET
MAN
MON5 SCALE
RESERVED
RESERVED
PW1 MSW
1
WORD 0
1
<2>
N/A
All
<4>
RESERVED RESERVED M3QT DAC
BYTE 1/9
ENABLE
<4>
CONFIG
EMPTY
BIAS
FETG
TINDEX
MAN
hardware
DS1875
All and
0
<3>
All
0
<4>
RESERVED
BYTE 2/A
<4>
ENABLE
EMPTY
MOD DAC
CNTL
PW2 +
TX-F
mode
TABLE 02h (PW2)
MAN_
PW2
<4>
MON4 OFFSET
MON6 OFFSET
MON4 SCALE
MON6 SCALE
bit
V
V
CC
PW1 LSW
WORD 1
CC
1
OFFSET
SCALE
<4>
RANGING
BYTE 3/B
ENABLE
<10>
<5>
All
All
EMPTY
APC DAC
DAC
MOD
TX-F
BIAS
1
0
<6>
N/A
All
<4>
MON3 COARSE OFFSET
ADDRESS
BYTE 4/C
MON3 COARSE SCALE
<10>
DEVICE
EMPTY
DAC1
DAC
HTXP
VINDEX
MON1 OFFSET
MON7 OFFSET
MON1 SCALE
MON7 SCALE
BIAS
PW1
PW1
<7>
PW2 MSW
0
WORD 2
<4>
RESERVED RESERVED
BYTE 5/D
RANGING
BIAS OL
EMPTY
COMP
PW2
PW2
LTXP
<8>
M4DAC
Table 02h Register Map
PW2
<9>
N/A
<10>
PWM DAC
BYTE 6/E
RSHIFT
EMPTY
HBIAS
INTERNAL TEMP
DEVICE
ID
MON2 OFFSET
MON8 OFFSET
MON2 SCALE
MON8 SCALE
RESERVED
PW2 LSW
WORD 3
OFFSET
<10>
1
PW2
N/A
<10>
RESERVED
MAX BIAS
BYTE 7/F
RSHIFT
M4 LUT
EMPTY
*
CNTL
VER
DEVICE
<11>
PW1
All
0