參數(shù)資料
型號: LXT386
廠商: Intel Corp.
英文描述: QUAD T1/E1/J1 Transceiver
中文描述: 四T1/E1/J1收發(fā)器
文件頁數(shù): 42/78頁
文件大小: 500K
代理商: LXT386
LXT386
QUAD T1/E1/J1 Transceiver
42
Datasheet
Table 22. Automatic TAOS Select Register, ATS (0EH)
Bit
1
Name
Function
3-0
ATS3-ATS0
Setting a bit to
1
enables automatic TAOS generation whenever a LOS condition is
detected in the respective transceiver.
7-4
-
Write
0
to these positions for normal operation.
1. On power-on reset the register is set to
0
.
2. This feature is not available in data recovery and line driver mode (MCLK= High and TCLK = High)
Table 23. Global Control Register, GCR (0FH)
Bit
1
Name
Function
0
JASEL0
These bits determine the jitter attenuator position:
1
JASEL1
2
JACF
This bit determines the jitter attenuator low limit 3dB corner frequency. Refer to the Jitter
Attenuator specifications for details (
Table 41 on page 58
).
3
FIFO64
This bit determines the jitter attenuator FIFO depth:
0 = 32 bit
1 = 64 bit
4
CODEN
This bit selects the zero suppression code for unipolar operation mode:
0 = B8ZS/HDB3 (T1/E1 respectively)
1 = AMI
5
CDIS
This bit controls enables/disables the short circuit protection feature:
0 = enabled
1 = disabled
6
RAISEN
This bit controls automatic AIS insertion in the receive path when LOS occurs:
0 = Receive AIS insertion disabled on LOS
1 = RPOS/RNEG = AIS on LOS
Note: this feature is not available in data recovery mode (MCLK=High). Disable AIS
interrupts when changing this bit value to prevent inadvertent interrupts.
7
-
Reserved.
1. On power-on reset the register is set to
0
.
JASEL0
JASEL1
JA Position
1
0
Transmit Path
1
1
Receive Path
0
x
Disabled
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