Rainbow Electronics DS1875 - Manual (Page 60)

DS1875
PON Triplexer and SFP Controller
60 ______________________________________________________________________________________
Table 01h, Register FDh: WARN 2
POWER-ON VALUE 00h
READ ACCESS All
WRITE ACCESS PW1
MEMORY TYPE Volatile
FDh MON3 HI MON3 LO MON4 HI MON4 LO RESERVED RESERVED RESERVED RESERVED
BIT 7 BIT 0
Layout is identical to WARN 2 in Lower Memory, Register 75h with one exception.
1. These bits are latched. They are cleared by power-down or a write with PW1 access.
Table 01h, Register FEh to FFh: RESERVED
POWER-ON VALUE 00h
READ ACCESS All
WRITE ACCESS PW1
MEMORY TYPE Volatile
These registers are reserved.