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DS1886_V1 Datasheet - Page 29

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3-Wire Slave Register Map and DS1886
Corresponding Location
When the MAX3945 registers are written, the MAX3710
are also written simultaneously
(Table
Table 6. 3-Wire Register Map and DS1886 Corresponding Location
DS1886 REGISTER
DS1886
(A2h TABLE 02h)
REGISTER NAME
82h–83h
MODULATION VALUE
85h
APC VALUE
86h–87h
SET_BIAS VALUE
CAh
INCBYTE[7:4]
CAh
INCBYTE[3:0]
CBh
TXCTRL5 DPC
CCh
IMODMAX
CDh
IBIASMAX
E0h
RXCTRL1
E1h
RXCTRL2
E2h
SETCML
E3h
SETLOSH
E4h
TXCTRL1
E5h
TXCTRL2
E6h
TXCTRL3
E7h
TXCTRL4
E8h
TXCTRL5 APC OL
E9h
TXCTRL6
EAh
TXCTRL7
ECh
SETLOSH_3945
EDh
SETLOSL_3945
EEh
SETLOSTIMER_3945
F0h
3WCTRL
F1h
ADDRESS
F2h
WRITE
F3h
READ
F4h
TXSTAT2
F5h
TXSTAT1
F6h
DPCSTAT
F7h
RXSTAT
SFP and PON ONU Controller
with Digital LDD Interface
Figure 14
the DS1886 in all three opreating modes. These modes
6).
are described in the
Modes
section.
MAX3710
MAX3710
ADDRESS
REGISTER NAME
0Eh
SET_IMOD
11h
SET_2XAPC
0Dh
SET_IBIAS
0Fh
BIASINC
10h
MODINC
0Ah
TXCTRL5
0Ch
IMODMAX
0Bh
IBIASMAX
01h
RXCTRL1
02h
RXCTRL2
03h
SET_CML
04h
SET_LOS
06h
TXCTRL1
07h
TXCTRL2
08h
TXCTRL3
09h
TXCTRL4
0Ah
TXCTRL5
13h
TXCTRL6
05h
TXCFG
N/A
N/A
N/A
N/A
N/A
N/A
Manual control of read/write from/to 3-wire slave devices; useful for determining
correct settings for the slave devices and also for debugging.
1Fh
TXSTAT2
1Eh
TXSTA1
1Dh
DPCSTAT
1Ch
RXSTAT
DS1886
3-Wire Master Flowchart
explains the working of the 3-wire master in
DS1886 with MAX3710 Operating
MAX3945
MAX3945
ADDRESS
REGISTER NAME
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
00h
RXCTRL1
01h
RXCTRL2
03h
SET_CML
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
04h
SET_LOS
04h
SET_LOS
12h
SET_LOSTIMER
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
29

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