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參數(shù)資料
| 型號： | XRT83SH38_0609 |
| 廠商： | Exar Corporation |
| 英文描述： | 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| 中文描述： | 8通道的T1/E1/J1短途線路接口單元 |
| 文件頁數(shù)： | 44/78頁 |
| 文件大?。?/td> | 606K |
| 代理商： | XRT83SH38_0609 |
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XRT83SH38
41
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.7
6.0
MICROPROCESSOR INTERFACE
The microprocessor interface can be accessed through a standard serial interface (BGA Package Only) or a
standard parallel microprocessor interface. The SER_PAR pin is used to select between the two. By default,
the chip is configured in the Parallel Microprocessor interace. For Serial communication, this pin must be
pulled “High”.
6.1
Serial Microprocessor Interface Block
The serial microprocessor uses a standard 3-pin serial port with CS, SCLK, and SDI for programming the LIU.
Optional pins such as SDO, INT, and RESET allow the ability to read back contents of the registers, monitor
the LIU via an interrupt pin, and reset the LIU to its default configuration by pulling reset "Low" for more than
10
μ
S. A simplified block diagram of the Serial Microprocessor is shown in
Figure 32
.
6.1.1
Serial Timing Information
The serial port requires 24 bits of data applied to the SDI (Serial Data Input) pin. The Serial Microprocessor
samples SDI on the rising edge of SCLK (Serial Clock Input). The data is not latched into the device until all 24
bits of serial data have been sampled. A timing diagram of the Serial Microprocessor is shown in
Figure 33
.
N
OTE
:
For applications without a free running SCLK, a minimum of 1 SCLK pulse must be applied when CS is “High”,
befrore pulling CS “Low”.
F
IGURE
32. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
THE
S
ERIAL
M
ICROPROCESSOR
I
NTERFACE
F
IGURE
33. T
IMING
D
IAGRAM
FOR
THE
S
ERIAL
M
ICROPROCESSOR
I
NTERFACE
Serial
Microprocessor
Interface
CS
SDI
SCLK
SDO
RESET
INT
HW/Host
SER_PAR
R/W
ADDR[0] - ADDR[7]
Don't Care
DATA[0] - DATA[7]
CS
SDI
SCLK
8-Bit Address
8-Bit Data
7-Bit Don't Care
1=Read
0=Write
SDO
DATA[0] - DATA[7]
Readback
相關(guān)PDF資料 |
PDF描述 |
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| XRT83SH38IB | 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216 | 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216_06 | 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216IB | 16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL28 | 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83SH38ES | 功能描述:外圍驅(qū)動器與原件 - PCI 8 CHT1/E1LIUSH 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 |
| XRT83SH38IB | 功能描述:外圍驅(qū)動器與原件 - PCI 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 |
| XRT83SH38IB-F | 功能描述:外圍驅(qū)動器與原件 - PCI 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 |
| XRT83SL216 | 制造商:EXAR 制造商全稱:EXAR 功能描述:16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
| XRT83SL216_06 | 制造商:EXAR 制造商全稱:EXAR 功能描述:16-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT |
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