參數(shù)資料
型號: XRT91L82
廠商: Exar Corporation
英文描述: 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
中文描述: 2.488/2.666 Gbps的STS-48/STM-16的SONET / SDH收發(fā)器
文件頁數(shù): 46/59頁
文件大?。?/td> 414K
代理商: XRT91L82
XRT91L82
2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
PRELIMINARY
xr
REV. P1.0.5
43
T
ABLE
19: M
ICROPROCESSOR
R
EGISTER
0
X
05
H
B
IT
D
ESCRIPTION
D
IAGNOSTIC
C
ONTROL
R
EGISTER
(0
X
05
H
)
B
IT
N
AME
F
UNCTION
Register
Type
Default
Value
(HW reset)
D7
Reserved
This Register Bit is Not Used
X
X
D6
Reserved
This Register Bit is Not Used
X
X
D5
PRBS_INV
2
23
-1 PRBS Pattern Invert
This bit will invert each of the Pseudo Random Binary Sequence
pattern bit from "0" to "1" and from "1" to "0."
"0" = Normal Operation
"1" = PRBS bit patterns inverted.
R/W
0
D4
PRBS_EN
2
23
-1 PRBS TEST Pattern Enable
Generates 2
23
-1 Pseudo Random Binary Sequence test patterns
and analyzes in the receiving block for correct sequence pattern.
"0" = Normal Mode
"1" = PRBS pattern generator and analyzer Enabled.
N
OTE
:
A Local Loopback of some type such as Digital Local
Loopback or an optical cable loopback is expected to be
used in conjunction with PRBS_EN in order for the PRBS
analyzer to receive the PRBS pattern.
R/W
0
D3
Reserved
This Register Bit is Not Used
X
X
D2
DLOOP
Digital Local Loopback
Digital local loopback allows the transmit input pins to be looped
back to the receive output pins for local diagnostics. The transmit
serial data output is valid during the digital loopback.
"0" = Enable Digital Local Loopback
"1" = Disabled
N
OTE
:
RLOOPS and RLOOPP should be
disabled
when DLOOP
is enabled.
R/W
1
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相關代理商/技術(shù)參數(shù)
參數(shù)描述
XRT91L82ES 功能描述:總線收發(fā)器 Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
XRT91L82IB 功能描述:總線收發(fā)器 Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
XRT91L82IB-F 功能描述:總線收發(fā)器 Transceiver RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
XRT94L31 制造商:EXAR 制造商全稱:EXAR 功能描述:3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
XRT94L31_07 制造商:EXAR 制造商全稱:EXAR 功能描述:3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC