Rainbow Electronics DS1874 - Manual (Page 32)

DS1874
Table 02h Register Map
SFP+ Controller with Digital LDD Interface
32 ______________________________________________________________________________________
TABLE 02h
WORD 0 WORD 1 WORD 2 WORD 3 ROW
(hex)
ROW
NAME BYTE 0/8 BYTE 1/9 BYTE 2/A BYTE 3/B BYTE 4/C BYTE 5/D BYTE 6/E BYTE 7/F
80 <0> CONFIG 0
<8> MODE <4> TINDEX
<4> MODULATION
REGISTER
<4> DAC1 VALUE <4> DAC2 VALUE
88 <8> CONFIG 1
SAMPLE
RATE
CNFGA CNFGB CNFGC
DEVICE
ADDRESS
RESERVED RSHIFT 1 RSHIFT 0
90 <8> SCALE 0 RESERVED V CC SCALE MON1 SCALE MON2 SCALE
98 <8> SCALE 1 MON3 FINE SCALE MON4 SCALE MON3 COARSE SCALE RESERVED
A0 <8> OFFSET 0 RESERVED V CC OFFSET MON1 OFFSET MON2 OFFSET
A8 <8> OFFSET 1 MON3 FINE OFFSET MON4 OFFSET MON3 COARSE OFFSET
INTERNAL TEMP
OFFSET*
B0 <9> PWD VALUE PW1 MSW PW1 LSW PW2 MSW PW2 LSW
B8 <8> THRESHOLD
LOS
RANGING
COMP
RANGING
RESERVED ISTEP HTXP LTXP HLOS LLOS
C0
<8> PWD
ENABLE
PW_ENA PW_ENB MODTI DAC1TI DAC2TI RESERVED LUTTC TBLSELPON
C8 <0> APC <4> MAN BIAS
<4> MAN_
CNTL
<10> BIAS REGISTER
<4> APC
DAC
<10> DEVICE
ID
<10> DEVICE
VER
D0
<8> HI BIAS
LUT
HBATH HBATH HBATH HBATH HBATH HBATH HBATH HBATH
D8–E7 EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY
E8
<8> 3W
CONFIG 0
RXCTRL1 RXCTRL2 SETCML SETLOS TXCTRL IMODMAX IBIASMAX SETPWCTRL
F0
<8> 3W
CONFIG 1
SETTXDE RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED
F8
<0> 3W
CONFIG
2
<8> 3WCTRL <8> ADDRESS <8> WRITE <10> READ <10> TXSTAT1 <10> TXSTAT2 RESERVED RESERVED
ACCESS
CODE
<0> <1> <2> <3> <4> <5> <6> <7> <8> <9> <10> <11>
Read
Access
All All All PW2 All N/A PW1 PW2 N/A PW2 All
Write
Access
See each
bit/byte
separately
PW2 N/A
All and
DS1874
hardware
PW2 +
mode
bit
All All PW1 PW2 PW2 N/A PW1
* The final result must be XORed with BB40h before writing to this register.