Datasheet

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