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參數(shù)資料
| 型號(hào)： | XRT91L80_0507 |
| 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(yè)數(shù)： | 35/45頁(yè) |
| 文件大小： | 359K |
| 代理商： | XRT91L80_0507 |
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xr
REV. P1.1.0
PRELIMINARY
2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER
XRT91L80
33
D5
Reserved
This Register Bit is Not Used
X
X
D4
VCXOD
Voltage Controlled External Oscillator Lock Detection
The VCXOD is used to indicate whether the internal clock refer-
ence is locked to an external VCO.
"0" = VCXO currently not Locked
"1" = VCXO Locked
N
OTE
:
VCXOLKEN must be enabled for this bit to have functional
meaning.
RO
0
D3
LOSD
Loss of Signal Detection
The LOSD indicates the LOS activity.
"0" = No Alarm
"1" = A LOS condition is present
RO
0
D2
CDRD
Clock and Data Recovery Lock Detection
The CDRD is used to indicate that the CDR is locked.
"0" = CDR Out of Lock
"1" = CDR Locked
RO
0
D1
CMUD
Clock Multiplier Unit Lock Detection
The CMUD is used to indicate that the CMU is locked.
"0" = CMU Out of Lock
"1" = CMU Locked
RO
0
D0
FIFOD
FIFO Overflow Detection
The FIFOD indicates that the FIFO is experiencing an overflow
condition.
"0" = No Alarm
"1" = A FIFO Overflow condition is present
RO
0
T
ABLE
14: M
ICROPROCESSOR
R
EGISTER
0
X
03
H
B
IT
D
ESCRIPTION
C
ONFIGURATION
0 C
ONTROL
R
EGISTER
(0
X
03
H
)
B
IT
N
AME
F
UNCTION
Register
Type
Default
Value
(HW reset)
D7
Reserved
Reserved - Set to 0
R/W
0
D6
ALTFREQSEL
Input Reference Frequency Select
This bit is used to select the clock input reference.
"0" = 77.76/83.3 MHz
"1"= 155.52/166 MHz
R/W
1
D5
Reserved
Reserved - Set to 0
R/W
0
S
TATUS
C
ONTROL
R
EGISTER
(0
X
02
H
)
B
IT
N
AME
F
UNCTION
Register
Type
Default
Value
(HW reset)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT91L80IB | 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER |
| XRT91L81 | 2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER |
| XRT91L81IB | 2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER |
| XRT91L82 | 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER |
| XRT91L82IB | 2.488/2.666 GBPS STS-48/STM-16 SONET/SDH TRANSCEIVER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT91L80ES | 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(shí)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 |
| XRT91L80IB | 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(shí)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 |
| XRT91L80IB-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(shí)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 |
| XRT91L81 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER |
| XRT91L81IB | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.488/2.666GBPS OC-48/STM-16 SONET/SDH TRANSCEIVER |
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