Table 01h register descriptions, Ds1876 sfp controller with dual ldd interface – Rainbow Electronics DS1876 User Manual
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DS1876
SFP Controller with Dual LDD Interface
Lower Memory, Register 7Fh: TABLE SELECT (TBL SEL)
Table 01h Register Descriptions
Table 01h, Register 80h–F7h: EEPROM
POWER-ON VALUE
TBLSELPON (Table 02h, Register C7h)
READ ACCESS
All
WRITE ACCESS
All
A2h AND B2h MEMORY
Different A2h and B2h memory locations
MEMORY TYPE
Volatile
7Fh
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7
BIT 0
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
00h
READ ACCESS
PW2 or (PW1 and RWTBL1A) or (PW1 and RTBL1A)
WRITE ACCESS
PW2 or (PW1 and RWTBL1A)
A2h AND B2h MEMORY
Common A2h and B2h memory location
MEMORY TYPE
Nonvolatile (EE)
80h–F7h
EE
EE
EE
EE
EE
EE
EE
EE
BIT 7
BIT 0
EEPROM for PW1 and/or PW2 level access.