CN8330 Datasheet, PDF (73/101 Pages) Conexant Systems, Inc – DS3/E3 Framer with 52 Mbps HDLC Controller

3
3.4 Register Summary
Table 3-1. Register Overview
ADDR
0x00
0x01
0x02
0x03
0x04
0x05
Register
Label
CR00
CR01
CR02
CR03
CR04
CR05
Read
Write
R/W
R/W
R/W
R/W
R/W
R/W
7
LineLp
RxTDLIE
SR6IE
TxFEAC[7]
TstEqSel
FCSCnt[3]
6
SourceLp
DisTxTDL
RxFEACIE
TxFEAC[6]
AMI/LCV2
FCSCnt[2]
5
TxAlm1
TxByte[2]
LCVCtrIE
TxFEAC[5]
DisEnc
FCSCnt[1]
Bit Number
4
3
TxAlm0
TxByte[1]
FEBECtrIE
ExtOvh
TxByte[0]
PthCtrIE
TxFEAC[4] TxFEAC[3]
DisLCV/Ferr
ParaEn
FCSCnt[0]
LimitFCS
2
ExtCBit
TxAbort
FerrCtrIE
TxFEAC[2]
FEBEC[3]
CRC32
1
E3Frm
TxFCS
DgrCtrIE
TxFEAC[1]
FEBEC[2]
DisPPDL
0
CBitP/DL
TxMsg
ParCtrIE
TxFEAC[0]
FEBEC[1]
Nibble
Table 3-2. Status Registers (1 of 2)
ADDR
Register
Label
Read
Write
0x10
SR00
R
0x11
SR01
R
0x12
SR02
R
0x13
SR03
R
0x14
SR04
R
0x15
SR05
R
0x16
SR06
R
0x20
SR07
R
Bit Number
7
6
5
4
3
2
1
0
ReFrm
Rsvd
FmtID1
ShdwItr
FmtID0
LCVCtrItr
IdleDet
FEBECtrItr
YelDet
PthCtrItr
AISDet
FerrCtrItr
OOFAlm
DgrCtrItr
LOSAlm
ParCtrItr
Rsvd
Rsvd
Rsvd
Rsvd
TxTDLItr
RxTDLItr
TxFEACItr RxFEACItr
RxFEAC[7]
Rsvd
RxFEAC[6]
Rsvd
RxFEAC[5]
RxByte[2]
RxFEAC[4]
RxByte[1]
RxFEAC[3]
RxByte[0]
RxFEAC[2]
RxIdle
RxFEAC[1]
BadFCS
RxFEAC[0]
RxAbort
Part[3]
Part[2]
Part[1]
Part[0]
Ver[3]
Ver[2]
Ver[1]
Ver[0]
Rsvd
Rsvd
ShdwAll1
ShdwIdle
ShdwYel
ShdwAIS
ShdwOOF
ShdwLOS
DS3 ParCtr[7] DS3ParCtr[6] DS3ParCtr[5] DS3ParCtr[4] DS3ParCtr[3] DS3ParCtr[2] DS3ParCtr[1] DS3ParCtr[0]