PRELIMINARY
PM4318 OCTLIU
DATASHEET
PMC- 2001578
ISSUE 3
OCTAL E1/T1/J1 LINE INTERFACE DEVICE
outputs of the TJAT are directed to the dual-rail inputs of the CDRC. When DDLB is set to
logic 1, the diagnostic digital loopback mode is enabled. When DDLB is set to logic 0, the
diagnostic digital loopback mode is disabled. Only one of LINELB and DDLB can be enabled
at any one time.
Reserved:
These bits must be a logic 0 for correct operation.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
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