Bt8370/8375/8376
Fully Integrated T1/E1 Framer and Line Interface
3.9 Performance Monitoring Registers
053—CRC Error Counter MSB (CERR)
If LATCH_CNT [addr 046] is inactive, reading CERR [addr 053] clears the entire CERR[9:0] count value.
15
14
13
12
11
10
9
8
0
0
0
0
0
0
CERR[9]
CERR[8]
CERR[9:8]
CRC6/CRC4 Error Count
054—Line Code Violation Counter LSB (LCV)
7
6
5
4
3
2
1
0
LCV[7]
LCV[6]
LCV[5]
LCV[4]
LCV[3]
LCV[2]
LCV[1]
LCV[0]
LCV[7:0]
BPV and EXZ (if EXZ_LCV enabled) Error Count
055—Line Code Violation Counter MSB (LCV)
If LATCH_CNT [addr 046] is inactive, reading LCV [addr 055] clears the entire LCV[15:0] count value.
15
14
13
12
11
10
9
8
LCV[15]
LCV[14]
LCV[13]
LCV[12]
LCV[11]
LCV[10]
LCV[9]
LCV[8]
LCV[15:8]
BPV and EXZ (if EXZ_LCV enabled) Error Count
056—Far End Block Error Counter LSB (FEBE)
7
6
5
4
3
2
1
0
FEBE[7]
FEBE[6]
FEBE[5]
FEBE[4]
FEBE[3]
FEBE[2]
FEBE[1]
FEBE[0]
FEBE[7:0]
FEBE Count (applicable only in E1 mode); invalid FEBE count is reported in T1 mode.
057—Far End Block Error Counter MSB (FEBE)
If LATCH_CNT [addr 046] is inactive, reading FEBE [addr 056, 057] clears the entire FEBE[9:0] count value.
15
14
13
12
11
10
9
8
0
0
0
0
0
0
FEBE[9]
FEBE[8]
FEBE[9:8]
FEBE Count (applicable only in E1 mode)
N8370DSE
Conexant
3-59
CONEXANT [ CONEXANT SYSTEMS, INC ]
