PM7384 FREEDM-84P672
DATA SHEET
PMC-1990445
ISSUE 5
FRAME ENGINE AND DATA LINK MANAGER 84P672
SBI_MODE[2:0]:
The SBI mode select bits (SBI_MODE[2:0]) configure the transmit links of
SPE2, as shown in the following table:
Table 36 – SBI Mode SPE2 Configuration
SBI_MODE [2:0] SPE2 Configuration
000
001
010
011
100
101
110
111
Single unchannelised DS-3 on link 1
28 T1/J1 links
21 E1 links (links 64, 67, 70, … , 82 are unused)
Reserved
Reserved
Reserved
Reserved
Reserved
FEN[11:0]
Each FEN bit, FEN[n], configures link 3n+1 for framed operation. In unframed
operation (FEN[n] = 0), HDLC data is transmitted in all framing bit locations.
In framed mode (FEN[n] = 1), the framing bit locations are unused.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
252
PMC [ PMC-SIERRA, INC ]
