參數(shù)資料
型號: XRT83VSH316IB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA316
封裝: 21 X 21 MM, STBGA-316
文件頁數(shù): 77/96頁
文件大?。?/td> 600K
代理商: XRT83VSH316IB
PRELIMINARY
16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH316
75
REV. P1.0.3
T
ABLE
43: C
ABLE
L
ENGTH
S
ETTINGS
EQC[4:0]
T1/E1 M
ODE
/R
ECEIVE
S
ENSITIVITY
T
RANSMIT
LBO
C
ABLE
C
ODING
0x08h
T1 Short Haul
0 to 133 feet (0.6dB)
100
TP
B8ZS
0x09h
T1 Short Haul
133 to 266 feet (1.2dB)
100
TP
B8ZS
0x0Ah
T1 Short Haul
266 to 399 feet (1.8dB)
100
TP
B8ZS
0x0Bh
T1 Short Haul
399 to 533 feet (2.4dB)
100
TP
B8ZS
0x0Ch
T1 Short Haul
533 to 655 feet (3.0dB)
100
TP
B8ZS
0x0Dh
T1 Short Haul
Arbitrary Pulse
100
TP
B8ZS
0x1Ch
E1 Short Haul
ITU G.703
75
Coax
HDB3
0x1Dh
E1 Short Haul
ITU G.703
120
TP
HDB3
T
ABLE
44: M
ICROPROCESSOR
R
EGISTER
0
X
N01
H
B
IT
D
ESCRIPTION
C
HANNEL
N (0
X
N01
H
)
B
IT
N
AME
F
UNCTION
Register
Type
Default
Value
(HW reset)
D7
RxTSEL
Receive Termination Select
Upon power up, the receiver is in "High" impedance. RxTSEL is
used to switch between the internal termination and "High" imped-
ance.
0 = External Termination
1 = Internal Termination
R/W
0
D6
TxTSEL
Transmit Termination Select
Upon power up, the transmitter is in "High" impedance. TxTSEL is
used to switch between the internal termination and "High" imped-
ance.
0 = "High" Impedance
1 = Internal Termination
R/W
0
D5
D4
TERSEL1
TERSEL0
Receive Line Impedance Select
TERSEL[1:0] are used to select the line impedance for T1/J1/E1.
R/W
0
0
TERSEL1
TERSEL0
0
1
1
0
1
1
0
0
LINE IMPEDANCE
100
120
75
110
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