ds1878 Maxim Integrated Products, Inc., ds1878 Datasheet - Page 34

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

The access codes represent the factory default values of PW_ENA and PW_ENB (Table 02h, Registers C0h–C1h).
SFP+ Controller with Digital LDD Interface
Table 05h is empty by default. It can be configured to contain the alarm and warning-enable bytes from Table 01h,
Registers F8h–FFh with the MASK bit enabled (Table 02h, Register 89h). In this case Table 01h is empty.
34
Read
Access
Write
Access
ACCESS
80–C7
80–F7
80–9F
(HEX)
(HEX)
(HEX)
ROW
ROW
ROW
CODE
F8
A0
______________________________________________________________________________________
<8>
<8>
ENABLE
separately
<8>
<8>
See each
EMPTY
NAME
NAME
NAME
ROW
ROW
ROW
bit/byte
ALARM
LUT
LUT
LUT4
<0>
APC
APC
BYTE 0/8
BYTE 0/8
BYTE 0/8
APC REF
APC REF
ALARM
EMPTY
PW2
<1>
MOD
All
EN
3
WORD 0
WORD 0
WORD 0
<2>
N/A
All
BYTE 1/9
BYTE 1/9
BYTE 1/9
APC REF
APC REF
ALARM
EMPTY
MOD
EN
hardware
All and
2
device
<3>
All
TABLE 04h (MODULATION LUT)
BYTE 2/A
BYTE 2/A
BYTE 2/A
APC REF
APC REF
ALARM
EMPTY
TABLE 06h (APC LUT)
MOD
PW2 +
EN
mode
PW2
<4>
bit
1
TABLE 05h
WORD 1
WORD 1
WORD 1
BYTE 3/B
BYTE 3/B
BYTE 3/B
APC REF
APC REF
<5>
ALARM
All
All
EMPTY
MOD
EN
0
<6>
N/A
All
RESERVED
WARN EN
BYTE 4/C
BYTE 4/C
BYTE 4/C
APC REF
EMPTY
MOD
PW1
PW1
<7>
WORD 2
WORD 2
WORD 2
3
WARN EN
RESERVED RESERVED
BYTE 5/D
BYTE 5/D
BYTE 5/D
APC REF
EMPTY
MOD
PW2
PW2
<8>
Table 05h Register Map
Table 06h Register Map
Table 04h Register Map
2
PW2
<9>
N/A
RESERVED
BYTE 6/E
BYTE 6/E
BYTE 6/E
APC REF
EMPTY
MOD
WORD 3
WORD 3
WORD 3
<10>
PW2
N/A
RESERVED
RESERVED
BYTE 7/F
BYTE 7/F
BYTE 7/F
APC REF
EMPTY
MOD
<11>
PW1
All