CX28398 Conexant Systems, CX28398 Datasheet - Page 172
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CX28398
Manufacturer Part Number
CX28398
Description
(CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
Manufacturer
Conexant Systems
Datasheet
1.CX28398.pdf
(305 pages)
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3.0 Registers
3.10 Performance Monitoring Registers
LCV[7:0]
If LATCH_CNT [addr 046] is inactive, reading LCV [addr 055] clears the entire LCV[15:0] count value.
LCV[15:8]
FEBE[7:0]
If LATCH_CNT [addr 046] is inactive, reading FEBE [addr 056, 057] clears the entire FEBE[9:0] count value.
FEBE[9:8]
Reading BERR transfers the most recent 12-bit count from the internal PRBS error counter to BERR[11:0],
then clears the internal error counter without affecting the reported BERR[11:0] value. Subsequent reads of
BERR MSB [addr 059] report the BERR [11:8] count value latched when BERR LSB was last read.
BERR[7:0]
3-50
054—Line Code Violation Counter LSB (LCV)
055—Line Code Violation Counter MSB (LCV)
056—Far End Block Error Counter LSB (FEBE)
057—Far End Block Error Counter MSB (FEBE)
058—PRBS Bit Error Counter LSB (BERR)
BERR[7]
LCV[15]
FEBE[7]
LCV[7]
15
15
7
7
0
7
BPV and EXZ (if EXZ_LCV enabled) Error Count
BPV and EXZ (if EXZ_LCV enabled) Error Count
FEBE Count (applicable only in E1 mode)
FEBE Count (applicable only in E1 mode)
BERR Count (applicable only for test pattern)
BERR[6]
LCV[14]
FEBE[6]
LCV[6]
14
14
6
6
0
6
BERR[5]
LCV[13]
FEBE[5]
LCV[5]
13
13
5
5
0
5
BERR[4]
LCV[12]
FEBE[4]
LCV[4]
12
12
4
4
0
4
Conexant
BERR[3]
LCV[11]
FEBE[3]
LCV[3]
11
11
3
3
0
3
BERR[2]
LCV[10]
FEBE[2]
LCV[2]
10
10
2
2
0
2
Quad/x16/Octal—T1/E1/J1 Framers
CX28394/28395/28398
BERR[1]
FEBE[1]
FEBE[9]
LCV[1]
LCV[9]
1
9
1
9
1
BERR[0]
FEBE[0]
FEBE[8]
LCV[0]
LCV[8]
100054E
0
8
0
8
0
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