Datasheet
32 Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Lower Memory, Register 28h–37h: EE
Lower Memory, Register 38h–4Fh: EE
Lower Memory, Register 50h–5Fh: EE
FACTORY DEFAULT 00h
READ ACCESS All
WRITE ACCESS PW2 or (PW1 and WLOWER)
A2h AND B2h MEMORY Common A2h and B2h memory locations
MEMORY TYPE Nonvolatile (EE)
28h–37h EE EE EE EE EE EE EE EE
BIT 7 BIT 0
PW2 level access-controlled EEPROM.
FACTORY DEFAULT 00h
READ ACCESS All
WRITE ACCESS PW2 or (PW1 and WLOWER)
A2h AND B2h MEMORY Different A2h and B2h memory locations
MEMORY TYPE Nonvolatile (EE)
38h–4Fh EE EE EE EE EE EE EE EE
BIT 7 BIT 0
PW2 level access-controlled EEPROM.
FACTORY DEFAULT 00h
READ ACCESS All
WRITE ACCESS PW2 or (PW1 and WLOWER)
A2h AND B2h MEMORY Common A2h and B2h memory locations
MEMORY TYPE Nonvolatile (EE)
50h–5Fh EE EE EE EE EE EE EE EE
BIT 7 BIT 0
PW2 level access-controlled EEPROM.