PRELIMINARY
PM4318 OCTLIU
DATASHEET
PMC- 2001578
ISSUE 3
OCTAL E1/T1/J1 LINE INTERFACE DEVICE
VALID_PER[1:0]:
The VALID_PER[1:0] bits select the length of time that the dB loss counter must be stable
before DB_VALID is asserted. The duration is measured in number of periods of the EQ
feedback loop (specified by the EQ_FREQ bits) as indicated by Table 17.
Table 17 – Valid Period
VALID_PER
Number of periods
00
01
10
11
32
64
128
256
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
162