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參數(shù)資料
| 型號： | XRT75R12IB |
| 廠商： | EXAR CORP |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| 中文描述： | DATACOM, PCM TRANSCEIVER, PBGA420 |
| 封裝： | 35 X 35 MM, TBGA-420 |
| 文件頁數(shù)： | 66/89頁 |
| 文件大?。?/td> | 457K |
| 代理商： | XRT75R12IB |
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XRT75R12
REV. P1.0.2
PRELIMINARY
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
63
T
ABLE
22:
The above is:
C
HANNEL
L
EVEL
I
NTERRUPT
S
TATUS
R
EGISTER
- CR97 (A
DDRESS
L
OCATION
= 0
X
61)
T
ABLE
23: C
HANNEL
L
EVEL
I
NTERRUPT
S
TATUS
R
EGISTER
- CR225 (A
DDRESS
L
OCATION
= 0
X
E1)
B
IT
N
UMBER
N
AME
T
YPE
D
ESCRIPTION
7, 6
Reserved
5
4
3
2
1
0
Channel 5 Interrupt Status
Channel 4 Interrupt Status
Channel 3 Interrupt Status
Channel 2 Interrupt Status
Channel 1 Interrupt Status
Channel 0 Interrupt Status
R/O
Channel n Interrupt Status Bit:
This READ-ONLY bit-field indicates whether the XRT75R12 has a
pending Channel n-related interrupt that is awaiting service. The
first six channels are serviced through this location and the other six
at address 0xE1. These two registers are used by the Host to iden-
tify the source channel of an active interrupt.
0 - Indicates that there is NO Channel n-related Interrupt awaiting
service.
1 - Indicates that there is at least one Channel n-related Interrupt
awaiting service. In this case, the user’s Interrupt Service routine
should be written such that the Microprocessor will now proceed to
read out the contents of the Source Level Interrupt Status Register -
Channel n (Address Locations = 0xn2) to determine the exact
source of the interrupt request.
N
OTE
:
Once this bit-field is set to "1", it will not be cleared back to
"0" until the user has read out the contents of the Source-
Level Interrupt Status Register bit, that corresponds to the
interrupt request channel.
B
IT
7
B
IT
6
B
IT
5
B
IT
4
B
IT
3
B
IT
2
B
IT
1
B
IT
0
Reserved Reserved
Channel 11
Interrupt Status
Channel 10
Interrupt Status
Channel 9
Interrupt Status
Channel 8
Interrupt Status
Channel 7
Interrupt Status
Channel 6
Interrupt Status
R/O
R/O
R/O
R/O
R/O
R/O
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT75VL00 | E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75VL00IV | E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT79L71 | 1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC |
| XRT79L71IB | 1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC |
| XRT79L72 | 2 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT75R12IB-F | 功能描述:外圍驅(qū)動器與原件 - PCI 12 Channel 3.3V-5V temp -45 to 85C RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT75R12IB-L | 功能描述:LIN 收發(fā)器 Attenuator RoHS:否 制造商:NXP Semiconductors 工作電源電壓: 電源電流: 最大工作溫度: 封裝 / 箱體:SO-8 |
| XRT75VL00 | 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75VL00_08 | 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75VL00D | 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
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