User guide

DS1875
PON Triplexer and SFP Controller
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Table 02h, Register 85h: M4DAC
FACTORY DEFAULT 00h
READ ACCESS PW2
WRITE ACCESS PW2 and M4DAC EN = 0
MEMORY TYPE Volatile
85h 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
The digital value used for M4DAC and recalled from Table 06h at the adjusted memory address found in
VINDEX. This register is updated at the end of the MON4 conversion.
V
M4DAC
=
2.5
256
 (M4DAC + 1)
Table 02h, Register 86h: DEVICE ID
FACTORY DEFAULT 75h
READ ACCESS PW2
WRITE ACCESS N/A
MEMORY TYPE ROM
86h 0 1 1 1 0 1 0 1
BIT 7 BIT 0
Hardwired connections to show the device ID.
Table 02h, Register 87h: DEVICE VER
FACTORY DEFAULT DEVICE VERSION
READ ACCESS PW2
WRITE ACCESS N/A
MEMORY TYPE ROM
87h DEVICE VERSION
BIT 7 BIT 0
Hardwired connections to show device version.