ds1877 Maxim Integrated Products, Inc., ds1877 Datasheet - Page 50
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ds1877
Manufacturer Part Number
ds1877
Description
Sfp Controller For Dual Rx Interface
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS1877.pdf
(65 pages)
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SFP Controller for Dual Rx Interface
Table 02h, Register 92h–93h: V
Table 02h, Register 94h–95h: XOVER2 COARSE
Table 02h, RegisteR 96h–97h: XOVER2 FINE
Table 02h, RegisteR 98h–99h: RSSI2 COARSE SCALE
Table 02h, Register 9Ah–9Bh: RSSI2 FINE SCALE
Table 02h, Register 9Ch–9Dh: RSSI1 COARSE SCALE
Table 02h, Register 9Eh–9Fh: RSSI1 FINE SCALE
Table 02h, Register A0h–A1h: INTERNAL TEMP OFFSET
50
9Ah, 9Ch,
9Bh, 9Dh,
92h, 94h,
96h, 98h,
93h, 95h,
97h, 99h,
A0h
A1h
9Eh
9Fh
FACTORY CALIBRATED
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Controls the scaling or gain of the full-scale voltage measurements. The factory-calibrated value produces an
FS voltage of 6.5536V for V
RSSI1 FINE.
FACTORY CALIBRATED
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
Allows for offset control of temperature measurement if desired. The final result must be XORed with BB40h
before writing to this register. Factory calibration contains the desired value for a reading in degrees Celsius.
BIT 7
BIT 7
2
2
2
S
15
7
1
2
2
2
2
CC
14
6
8
0
SCALE
CC
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
PW2 or (PW1 and RWTBL2)
Common A2h and B2h memory locations
Nonvolatile (SEE)
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
PW2 or (PW1 and RWTBL2)
Common A2h and B2h memory locations
Nonvolatile (SEE)
, 2.5V for RSSI2 COARSE and RSSI1 COARSE, and 0.3125V for RSSI2 FINE and
2
2
2
2
13
-1
5
7
2
2
2
2
12
-2
4
6
2
2
2
2
11
-3
3
5
2
2
2
2
10
-4
2
4
2
2
2
2
-5
9
1
3
BIT 0
BIT 0
2
2
2
2
-6
8
0
2
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