ds1878 Maxim Integrated Products, Inc., ds1878 Datasheet - Page 67

• Manufacturer Part Number: ds1878
• Description: Sfp+ Controller With Digital Ldd Interface
• Manufacturer: Maxim Integrated Products, Inc.

Table 02h, Register A2h–A3h: V CC OFFSET
Table 02h, Register A4h–A5h: MON1 OFFSET
Table 02h, Register A6h–A7h: MON2 OFFSET
Table 02h, Register A8h–A9h: MON3 FINE OFFSET
Table 02h, Register AAh–ABh: MON4 OFFSET
Table 02h, Register ACh–ADh: MON3 COARSE OFFSET
Table 02h, Register A0h–A1h: XOVER FINE
A2h, A4h,
A6h, A8h,
A3h, A5h,
A7h, A9h,
AAh, ACh
ABh, ADh
A0h
A1h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
Defines the crossover value for RSSI measurements of nonlinear inputs when XOVEREN is set to 1 (Table 02h,
Register 8Bh). MON3 fine conversion results (before right-shifting) greater than this register require a MON3
coarse conversion.
SFP+ Controller with Digital LDD Interface
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
Allows for offset control of these voltage measurements if desired. This number is two’s complement.
BIT 7
2
2
BIT 7
______________________________________________________________________________________
15
7
2
S
9
2
2
14
6
2
S
8
FFFFh
PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)
PW2 or (PW1 and RWTBL2)
Nonvolatile (SEE)
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
2
2
13
2
5
2
15
7
2
2
2
12
2
4
14
6
2
2
2
11
2
3
13
5
2
2
2
2
10
2
12
4
2
2
2
2
11
9
1
3
BIT 0
BIT 0
2
2
2
0
10
8
2
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