參數(shù)資料
型號: LXT6251A
英文描述: ATM/SONET MAPPER|CMOS|QFP|208PIN|PLASTIC
中文描述: 的ATM / SONET的映射器|的CMOS | QFP封裝| 208PIN |塑料
文件頁數(shù): 63/76頁
文件大?。?/td> 995K
代理商: LXT6251A
21 E1 SDH Mapper
LXT6251A
Datasheet
63
8.6
Status and Control Registers
8.6.1
TRIB_STA
Tributary Status (
x
3
x
2H)
x
=1
15H;
x
3H=Bits<15:8>,
x
2H=Bits<7:0> (Byte access only)
Each tributary has a set of these registers giving the present status of each alarm source for a
particular tributary. The Rdi, Rfi, Slm & UnEq bits in interrupt register
x
0H are cleared when
x
2H
is read. The TIM, TimCrc7, TuLop & TuAis bits in
x
1H are cleared when
x
3H is read. These
registers mirror the interrupt registers but do not contain status of non-persistent alarm events such
as the BIP-2 error event.
These registers are normally updated every multiframe. However if the UpDateEn bit is set to
1
in
INT_CONF
Interrupt Configuration Register (00BH)
on page 59
they will be frozen until
the register is read.
8.6.2
BIP2_ERRCNT
BIP2 Error Counter (
x
7
x
6H)
x
=1
15H;
x
7H=Bits<15:8>,
x
6H=Bits<7:0> (Byte access only)
3
RdiIntEn
1 = Enable
0 = Disable
R/W
0
2
RfiIntEn
1 = Enable
0 = Disable
R/W
0
1
SlmIntEn
1 = Enable
0 = Disable
R/W
0
0
UnEqIntEn
1 = Enable
0 = Disable
R/W
0
Bit
Name
Description
Type
Default
Bit
Name
Description
Type
Default
15:12
Reserved
Unused
11
TimSt
RO
X
10
Crc7ErrSt
RO
X
9
TuLopSt
RO
X
8
TuAisSt
RO
X
7:4
Reserved
Unused
3
RdiSt
RO
X
2
RfiSt
RO
X
1
SlmSt
RO
X
0
UnEqSt
RO
X
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