ds1876 Maxim Integrated Products, Inc., ds1876 Datasheet - Page 40

• Manufacturer Part Number: ds1876
• Description: Sfp Controller With Dual Ldd Interface
• Manufacturer: Maxim Integrated Products, Inc.

SFP Controller with Dual LDD Interface
Lower Memory, Register 7Fh: TABLE SELECT (TBL SEL)
Table 01h, Register 80h–F7h: EEPROM
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80h–F7h
7Fh
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
The upper memory tables of the DS1876 are accessible by writing the desired table value in this register. The
power-on value of this register is defined by the value written to TBLSELPON (Table 02h, Register C7h).
POWER-ON VALUE
READ ACCESS
WRITE ACCESS
A2h AND B2h MEMORY
MEMORY TYPE
EEPROM for PW1 and/or PW2 level access.
BIT 7
2
BIT 7
7
EE
2
6
EE
TBLSELPON (Table 02h, Register C7h)
All
All
Different A2h and B2h memory locations
Volatile
00h
PW2 or (PW1 and RWTBL1A) or (PW1 and RTBL1A)
PW2 or (PW1 and RWTBL1A)
Common A2h and B2h memory location
Nonvolatile (EE)
2
5
EE
2
EE
4
2
EE
3
Table 01h Register Descriptions
2
EE
2
2
EE
1
BIT 0
BIT 0
EE
2
0