Ds1876 sfp controller with dual ldd interface – Rainbow Electronics DS1876 User Manual
Page 56
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DS1876
SFP Controller with Dual LDD Interface
Table 02h, Register BAh: HTXP2 DAC
Table 02h, Register BBh: LTXP2 DAC
Table 02h, Register BCh: RESERVED
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
WRITE ACCESS
(PW2 and QT2EN = 0) or (PW1 and RWTBL2 and QT2EN = 0)
A2h AND B2h MEMORY
Common A2h and B2h memory location
MEMORY TYPE
Volatile
BAh
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 the HTXP2 reference and recalled from Table 06h (Registers E8h–EFh) (transmitter 2) at
the adjusted memory address found in TINDEX. This register is updated at the end of the temperature conversion.
Comparisons greater than V
HTXP2
compared against V
PMON2
create a TXP HI alarm.
HTXP2
Full Scale
V
HTXP2 DAC
256
=
×
FACTORY DEFAULT
00h
READ ACCESS
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
WRITE ACCESS
(PW2 and QT2EN = 0) or (PW1 and RWTBL2 and QT2EN = 0)
A2h AND B2h MEMORY
Common A2h and B2h memory location
MEMORY TYPE
Volatile
BBh
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 the LTXP2 reference and recalled from Table 06h (Registers F0h–F7h) (transmitter 2) at
the adjusted memory address found in TINDEX. This register is updated at the end of the temperature conversion.
Comparisons less than V
LTXP2
compared against V
PMON2
create a TXP LO alarm.
LTXP2
Full Scale
V
LTXP2 DAC
256
=
×
FACTORY DEFAULT
READ ACCESS
N/A
WRITE ACCESS
N/A
A2h AND B2h MEMORY
N/A
MEMORY TYPE
N/A
This register is reserved.