ds1878 Maxim Integrated Products, Inc., ds1878 Datasheet - Page 83

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

Table 02h, Register E8h: RXCTRL1
Table 02h, Register D8h–E7h: EMPTY
Table 02h, Register E9h: RXCTRL2
E8h
E9h
SFP+ Controller with Digital LDD Interface
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
A 3-wire slave register. After either V
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.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
These registers do not exist.
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
A 3-wire slave register. After either V
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
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)
00h
N/A
N/A
None
2
2
5
5
CC
CC
exceeds POA (after a POR event), the Maxim laser driver TX_POR bit is set
exceeds POA (after a POR event), the Maxim laser driver TX_POR bit is set
2
2
4
4
2
2
3
3
2
2
2
2
2
2
1
1
BIT 0
BIT 0
2
2
0
0
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