参数资料
型号: XRT83SH314IB
厂商: Exar Corporation
文件页数: 87/101页
文件大小: 0K
描述: IC LIU T1/E1/J1 14CH 304TBGA
标准包装: 27
类型: 线路接口装置(LIU)
驱动器/接收器数: 14/14
规程: T1,E1,J1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 304-BBGA
供应商设备封装: 304-PBGA(31x31)
包装: 托盘
XRT83SH314
82
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.4
TABLE 43: MICROPROCESSOR REGISTER 0XE1H BIT DESCRIPTION
TABLE 44: MICROPROCESSOR REGISTER 0XE2H BIT DESCRIPTION
GLOBAL REGISTER (0XE1H)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
Reserved
This Register Bit is Not Used
R/W
0
D6
Reserved
This Register Bit is Not Used
R/W
0
D5
Reserved
This Register Bit is Not Used
R/W
0
D4
Reserved
This Register Bit is Not Used
R/W
0
D3
Reserved
This Register Bit is Not Used
R/W
0
D2
RxMUTE
Receiver Output Mute Enable
If RxMUTE is selected, RPOS/RNEG will be pulled "Low" for any
channel that experiences an RLOS condition. If an RLOS condi-
tion does not occur, RxMUTE will remain inactive.
0 = Disabled
1 = Enabled
R/W
0
D1
EXLOS
Extended Loss of Zeros
The number of zeros required to declare a Digital Loss of Signal is
extended to 4,096.
0 = Normal Operation
1 = Enables the EXLOS function
R/W
0
D0
ICT
In Circuit Testing
0 = Normal Operation
1 = Sets all output pins to "High" impedance for in circuit testing
R/W
0
GLOBAL REGISTER (0XE2H)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
Reserved
This Register Bit is Not Used
R/W
0
D6
RxTCNTL
Receive Termination Select Control
This bit sets the LIU to control the RxTSEL function with either the
individual channel register bit or the global hardware pin.
0 = Control of the receive termination is set to the register bits
1 = Control of the receive termination is set to the hardware pin
R/W
0
D[5:0]
Reserved
These Bits are Reserved
R/W
0
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