RELEASED
PM7366 FREEDM-8
DATA SHEET
PMC-1970930
ISSUE 4
FRAME ENGINE AND DATA LINK MANAGER
bit is ignored. TCLK[3] is gapped during non-data bytes. All data bits are treated as a
contiguous stream with arbitrary byte alignment.
E1:
The E1 frame structure select bit (E1) configures link #3 for channelised E1 operation when
CEN is set high. TCLK[3] is held quiescent during the FAS and NFAS framing bytes. The
most significant bit of time-slot 1 is placed on TD[3] on the last falling edge of TCLK[3] ahead
of the extended quiescent period. Link data is present at time-slots 1 to 31. When E1 is set
low and CEN is set high, link #3 is configured for channelised T1 operation. TCLK[3] is held
quiescent during the framing bit. The m.s.b. of time-slot 1 is placed on TD[3] on the last
falling edge of TCLK[3] ahead of the extended quiescent period. Link data is present at time-
slots 1 to 24. E1 is ignored when CEN is set low.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA,INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
203
PMC [ PMC-SIERRA, INC ]
