ds1878 Maxim Integrated Products, Inc., ds1878 Datasheet - Page 88
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ds1878
Manufacturer Part Number
ds1878
Description
Sfp+ Controller With Digital Ldd Interface
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS1878.pdf
(98 pages)
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Table 02h, Register F3h: SETLOSL
Table 02h, Register F4h: RXCTRL3
SFP+ Controller with Digital LDD Interface
88
______________________________________________________________________________________
F3h
F4h
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
A 3-wire slave register. Only written if SETLOSCTL is 0. If SETLOSCTL is 1, then SETLOSH register is used. After
either V
TXSTAT1, Bit 7), or on a rising edge of TXD, this value is written to a Maxim laser driver through the 3-wire
interface.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
A 3-wire slave register. The writing of this register is enabled using EXCTRL[1:0]. After either V
(after a POR event), the Maxim laser driver TX_POR bit is set high (visible in 3W TXSTAT1, Bit 7), or on a rising
edge of TXD, this value is written to a Maxim laser driver through the 3-wire interface.
BIT 7
BIT 7
2
2
7
7
CC
exceeds POA (after a POR event), the Maxim laser driver TX_POR bit is set high (visible in 3W
2
2
6
6
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
00h
PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
2
2
5
5
2
2
4
4
2
2
3
3
2
2
2
2
2
2
1
1
CC
exceeds POA
BIT 0
BIT 0
2
2
0
0
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