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| 型號(hào)： | XRT83L34IVTR-F |
| 廠(chǎng)商： | Exar Corporation |
| 文件頁(yè)數(shù)： | 7/99頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU T1/E1/J1 QUAD 128TQFP |
| 標(biāo)準(zhǔn)包裝： | 750 |
| 類(lèi)型： | 線(xiàn)路接口裝置（LIU） |
| 驅(qū)動(dòng)器/接收器數(shù)： | 4/4 |
| 規(guī)程： | T1，E1，J1 |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 128-LQFP |
| 供應(yīng)商設(shè)備封裝： | 128-TQFP（14x20） |
| 包裝： | 帶卷 (TR) |
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xr
XRT83L34
QUAD T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR REV. 1.0.1
12
TCLK_0
TCLK_1
TCLK_2
TCLK_3
1
128
103
102
I
Transmit Line Clock Input - Channel n:
The Transmit Section of Channel n will use this input pin to sample and latch
the data that is present on the "TPOS_n/TDATA_n" and "TNEG_n" input pins.
This input clock signal also functions as the timing source for the "Transmit
Direction" signal within the Channel.
For T1 Applications, the user is expected to apply a 1.544MHz clock signal to
this input pin. Similarly, for E1 Applications, the user is expected to apply a
2.048MHz clock signal to this input pin.
NOTE: Internally pulled “Low” with a 50k
resistor for all channels.
TAOS_0
TAOS_1
TAOS_2
TAOS_3
WR_R/W
RD_DS
ALE_AS
CS
69
70
71
72
69
70
71
72
I
Transmit All Ones Command Input - Channel n: (Hardware Mode ONLY)
The exact function of these input pins depend upon whether the XRT83L34
device has been configured to operate in the HOST or Hardware Modes, as
described below.
Hardware Mode Operation - Transmit All Ones Command Input - Channel
n - TAOS_n:
These input pins permits the user to command a given Channel to transmit an
"Unframed, All Ones" pattern (via the outbound DS1/E1 line signal) to the
remote terminal equipment.
Setting this pin to the logic "HIGH" level configures the Transmit Section (of
the corresponding channel) to transmit an Unframed, All Ones pattern via the
outbound DS1/E1 line signal.
Setting this pin to the logic "LOW" level, configures the Transmit Section (of
the corresponding channel) to transmit normal traffic via the outbound DS1/E1
line signal.
Host Mode Operation: These pins act as various microprocessor functions.
NOTE: These pins are internally pulled “Low” with a 50k
resistor.
TXON_0
TXON_1
TXON_2
TXON_3
122
123
124
125
I
Transmitter Turn On for Channel _0
Hardware mode
Setting this pin "High" turns on the Transmit Section of Channel _0 and has no
control of the Channel_0 receiver. When TXON_0 = “0” then TTIP_0 and
TRING_0 driver outputs will be tri-stated.
NOTE: In Hardware mode only, all receiver channels will be turned on upon
power-up and there is no provision to power them off. The receive
channels can only be independently powered on or off in Host mode.
In Host mode
The TXON_n bits in the channel control registers turn each channel Transmit
section ON or OFF. However, control of the on/off function can be transferred
to the Hardware pins by setting the TXONCTL bit (bit 6) to “1” in the register at
address hex 0x42.
Transmitter Turn On for Channel _1
Transmitter Turn On for Channel _2
Transmitter Turn On for Channel _3
NOTE: Internally pulled "Low" with a 50k
resistor for all channels.
SIGNAL NAME
PIN #TYPE
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT83L38 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| XRT83L38_07 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR |
| XRT83L38ES | 功能描述:外圍驅(qū)動(dòng)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 |
| XRT83L38ES-BG | 功能描述:界面開(kāi)發(fā)工具 Eval System for XRT83L38 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V |
| XRT83L38IB | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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