STANDARD PRODUCT
PM4351 COMET
DATA SHEET
PMC-1970624
ISSUE 10
COMBINED E1/T1 TRANSCEIVER
RATE[1:0]:
The rate select (RATE[1:0]) bits determine the backplane rate according to
the following table:
Table 22
- Receive Backplane Rate
RATE[1]
RATE[0]
Backplane Rate
0
0
1
1
0
1
0
1
1.544 Mbit/s
2.048 Mbit/s
4.096 Mbit/s
8.192 Mbit/s
The 4.096 Mbit/s and 8.192 Mbit/s rates are only supported in clock slave
mode (CMODE logic 1) with RXELSTBYP logic 0.
The RATE[1:0] bits can only be set once after reset.
PROPRIETARY AND CONFIDENTIAL
139