Datasheet

DS1878
SFP+ Controller with Digital LDD Interface
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FACTORY DEFAULT 00h
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS PW2 or (PW1 and RWTBL246)
MEMORY TYPE Nonvolatile (SEE)
These registers are reserved.
FACTORY CALIBRATED
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS PW2 or (PW1 and RWTBL246)
MEMORY TYPE Nonvolatile (SEE)
92h, 94h,
96h, 98h,
9Ah, 9Ch
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
93h, 95h,
97h, 99h,
9Bh, 9Dh
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
Controls the scaling or gain of the FS voltage measurements. The factory-calibrated value produces an FS
voltage of 6.5536V for V
CC
; 2.5V for MON1, MON2, MON4; and 0.3125V for MON3 fine.
Table 02h, Register 92h–93h: V
CC
SCALE
Table 02h, Register 94h–95h: MON1 SCALE
Table 02h, Register 96h–97h: MON2 SCALE
Table 02h, Register 98h–99h: MON3 FINE SCALE
Table 02h, Register 9Ah–9Bh: MON4 SCALE
Table 02h, Register 9Ch–9Dh: MON3 COARSE SCALE
Table 02h, Register 9Eh–9Fh: RESERVED