參數(shù)資料
型號(hào): XRT83VSH314IB
廠商: EXAR CORP
元件分類(lèi): 數(shù)字傳輸電路
英文描述: 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA304
封裝: 31 X 31 MM, 1.27 MM PITCH, PLASTIC, BGA-304
文件頁(yè)數(shù): 66/80頁(yè)
文件大?。?/td> 497K
代理商: XRT83VSH314IB
XRT83VSH314
63
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.1
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
T
ABLE
42: M
ICROPROCESSOR
R
EGISTER
0
X
E2
H
B
IT
D
ESCRIPTION
G
LOBAL
R
EGISTER
(0
X
E2
H
)
B
IT
N
AME
F
UNCTION
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
T
ABLE
43: M
ICROPROCESSOR
R
EGISTER
0
X
E3
H
B
IT
D
ESCRIPTION
G
LOBAL
R
EGISTER
(0
X
E3
H
)
B
IT
N
AME
F
UNCTION
Register
Type
Default
Value
(HW reset)
D[7:4]
Reserved
These Register Bits are Not Used
R/W
0
D3
D2
SL<1>
SL<0>
Slicer Level Select
00 = 60%
01 = 65%
10 = 70%
11 = 55%
R/W
0
0
D[7:0]
Reserved
These Register Bits are Not Used
R/W
0
T
ABLE
41: M
ICROPROCESSOR
R
EGISTER
0
X
E1
H
B
IT
D
ESCRIPTION
G
LOBAL
R
EGISTER
(0
X
E1
H
)
B
IT
N
AME
F
UNCTION
Register
Type
Default
Value
(HW reset)
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