PRELIMINARY
PM4318 OCTLIU
DATASHEET
PMC- 2001578
ISSUE 3
OCTAL E1/T1/J1 LINE INTERFACE DEVICE
Register 325H – 32CH: INSBI Tributary Control #1 – #8
Bit
Type
Function
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Unused
Unused
X
X
X
0
0
1
0
0
Unused
R/W
R/W
R/W
R/W
R/W
Reserved
Reserved
TRIB_TYP[1]
TRIB_TYP[0]
Reserved
A tributary control register should only be written when the associated ENBLx bit is ‘0’.
Reserved:
The reserved bits must be set to 0 for correct operation of the OCTLIU device.
TRIB_TYP[1:0]:
The TRIB_TYP[1:0] field specifies the characteristics of the SBI tributary, as shown in Table
8.
Table 8
– INSBI Tributary Characteristics
TRIB_TYP[1:0]
Description
00
01
10
11
Reserved.
Framed (IFP_IN determines frame alignment).
Unframed (IFP_IN ignored).
Reserved.
The TRIB_TYP[1:0] bits must be set to “10” whenever the LIUs are enabled (SBI2CLK tied
low).
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
89
PMC [ PMC-SIERRA, INC ]
