DS1864 Maxim Integrated Products, DS1864 Datasheet - Page 25

• Manufacturer Part Number: DS1864
• Description: SFP Laser Controller and Diagnostic IC
• Manufacturer: Maxim Integrated Products

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Figure 17. DS1859-Compatible Configuration (Mode Bit = 1)
00h
I
2
GBIC EEPROM
C ADDRESS A0h
(256 BYTES)
FFh
I
2
00h
80h
F8h
C ADDRESS A2h (DEFAULT)
PASSWORD ENTRY (PWE)
TABLE SELECT BYTE
LOWER MEMORY
TABLE 00h
(120 BYTES)
(4 BYTES)
(8 BYTES)
EEPROM
EEPROM
____________________________________________________________________
7Fh
F7h
FFh
80h
AND CONFIGURATION
TABLE CONTROL
NON LOOKUP
TABLE 01h
REGISTERS
NOTE 1:
WHEN MODE BIT (TABLE 04h BYTE 89h BIT 3) = 1,
THE DS1864 IS IN DS1859-COMPATIBLE CONFIGURATION.
NOTE 2:
IF ADFIX = 0, THEN THE MAIN DEVICE I
F ADFIX = 1, THEN THE MAIN DEVICE I
DETERMINED BY THE VALUE IN 8Ch TABLE 01h (IN DS1859 CONFIGURATION).
NOTE 3:
TABLE 04h DOES NOT EXIST IN DS1859 CONFIGURATION.
SFP Laser Controller and
DFh
80h
LOOKUP TABLE
TABLE 02h
(72 BYTES)
DAC0
2
2
C SLAVE ADDRESS IS
C SLAVE ADDRESS IS A2h.
C7h
80h
LOOKUP TABLE
Diagnostic IC
TABLE 03h
(72 BYTES)
DAC1
C7h
C0h
AND CONFIGURATION
TABLE 05h
CONTROL
FBh
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