参数资料
型号: XRT73LC04AIV-F
厂商: Exar Corporation
文件页数: 53/64页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 4CH 144LQFP
标准包装: 60
类型: 线路接口装置(LIU)
驱动器/接收器数: 4/4
规程: DS3,E3,STS-1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 144-LQFP
供应商设备封装: 144-LQFP(20x20)
包装: 托盘
XRT73LC04A
53
REV. 1.0.2
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
Address
The register addresses are presented in the Hexa-
decimal format.
Type:
The Command Registers are either Read-Only (RO)
type of registers or Read/Write (R/W) type of regis-
ters. Each channel of the XRT73LC04A has eight
command registers, CR0-(n) through CR7-(n) where
(n) = 0, 1, 2 or 3. The associated addresses for each
channel are presented in , (repeated as Table 7).
NOTE: The default value for each of the bit-fields within
these register is "0".
5.2
DESCRIPTION OF BIT-FIELDS FOR EACH COM-
MAND
REGISTER
5.2.1
Command Register - CR0-(n)
The bit-format and default values for Command Reg-
ister CR0-(n) are listed below followed by the function
of each of these bit-fields.
Bit D4 - RLOL_(n) (Receive Loss of Lock Status -
Channel(n))
This Read-Only bit-field reflects the lock status of the
Channel(n) Clock Recovery Phase-Locked-Loop
This bit-field is set to “0” if the Channel(n) Clock Re-
covery PLL is in lock with the incoming line signal.
This bit-field is set to "1" if the Clock Recovery PLL is
out of lock with the incoming line signal.
Bit D3 - RLOS_(n) (Receive Loss of Signal Status -
Channel(n))
This Read-Only bit-field indicates whether or not the
Channel(n) of the Receiver is currently declaring an
LOS (Loss of Signal) Condition.
This bit-field is set to "0" if Channel(n) is not currently
declaring the LOS Condition.
This bit-field is set to "1" if Channel(n) is declaring an
LOS Condition.
Bit D2 - ALOS_(n) (Analog Loss of Signal Status -
Channel(n))
This Read-Only bit-field indicates whether or not the
Channel(n) Analog LOS Detector is currently declar-
ing an LOS condition.
This bit-field is set to "0" if the Analog LOS Detector
within Channel(n) is NOT currently declaring an LOS
condition. This bit-field is set to "1" if the Analog LOS
Detector is currently declaring an LOS condition.
NOTE: The purpose is to isolate the Detector (e.g., either
the Analog LOS or the Digital LOS detector) that is declar-
ing the LOS condition. This feature may be useful for trou-
bleshooting/debugging purposes
Bit D1 - DLOS_(n) (Digital Loss of Signal Status -
Channel(n))
This Read-Only bit-field indicates whether or not the
Channel(n) Digital LOS Detector is currently declar-
ing an LOS condition.
This bit-field is set to "0" if the Channel(n) Digital LOS
Detector is NOT currently declaring an LOS condi-
CHANNEL 3
0x18
CR0-3
RO
RLOL_3
RLOS_3
ALOS_3
DLOS_3
DMO_3
0x19
CR1-3
R/W
TxOFF_3
TAOS_3
TxClkINV_3
TxLEV_3
Reserved
0x1A
CR2-3
R/W
Reserved
ALOSDIS_3
DLOSDIS_3
REQEN_3
0x1B
CR3-3
R/W
SR/DR_3
LOSMUT_3
RxOFF
RxClk_3INV
Reserved
0x1C
CR4-3
R/W
Reserved
STS-1/DS3_3
E3_3
LLB_3
RLB_3
0x1D
CR5-3
R/W
Reserved
0x1E
CR6-3
R/W
Reserved
0x1F
CR7-3
R/W
Reserved
TABLE 7: HEXADECIMAL ADDRESSES AND BIT FORMATS OF XRT73LC04A COMMAND REGISTERS
REGISTER BIT-FORMAT
ADDRESS
COMMAND
REGISTER
TYPE
D4
D3
D2
D1
D0
COMMAND REGISTER CR0-(n)
D4
D3
D2
D1
D0
RLOL_(n) RLOS_(n) ALOS_(n) DLOS_(n) DMO_(n)
1
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