CN8380 Datasheet, PDF (57/91 Pages) Conexant Systems, Inc – integrated quad line interface unit unit for both 1.544 Mbps (T1) and 2.048 Mbps (E1) applications

CN8380
Quad T1/E1 Line Interface
3.0 Registers
3.2 Global Control and Status Registers
03—CLAD Frequency Select (CSEL)
7
VSEL[3]
6
VSEL[2]
5
VSEL[1]
4
VSEL[0]
3
OSEL[3]
2
OSEL[2]
1
OSEL[1]
R/W
0
OSEL[0]
VSEL[3:0]
CLADV Frequency Select—Applicable only if FREE [CLAD_CR; addr 02] is 0. Picks one of
13 CLAD divider chain frequencies to feed back to the phase detector. The selected CLADV
frequency passes to VSCALE for further division before phase detector comparison. Setting
VSEL to invalid values is undefined.
VSEL
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
CLADV Frequency (kHz)
<Invalid>
1024
2048
1 x E1
4096
2 x E1
8192
4 x E1
16,384
8 x E1
32,768
16 x E1
1544
1 x T1
3088
2 x T1
6176
4 x T1
12,352
8 x T1
24,704
16 x T1
2560
1536
1 x T1 (unframed)
<Invalid>
<Invalid>
N8380DSA
Conexant
3-5
4/21/99
Advance Information