參數(shù)資料
型號： XRT83SL34IV
廠商： Exar Corporation
文件頁數(shù)： 19/80頁
文件大?。?/td> 0K
描述： IC LIU T1/E1/J1 QUAD 128TQFP
標(biāo)準(zhǔn)包裝： 72
類型： 線路接口裝置（LIU）
驅(qū)動器/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： 托盤
XRT83SL34
QUAD T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. 1.0.0
23
ARBITRARY PULSE GENERATORFOR T1 AND E1
The arbitrary pulse generator divides the pulse into eight individual segments. Each segment is set by a 7-Bit
binary word by programming the appropriate channel register. This allows the system designer to set the
overshoot, amplitude, and undershoot for a unique line build out. The MSB (bit 7) is a sign-bit. If the sign-bit is
set to “1”, the segment will move in a positive direction relative to a flat line (zero) condition. If this sign-bit is set
to “0”, the segment will move in a negative direction relative to a flat line condition. A pulse with numbered
segments is shown in Figure 9.
NOTE: By default, the arbitrary segments are programmed to 0x00h. The transmitter outputs will result in an all zero pattern
to the line.
TRANSMITTER
Each individual transmitter channel can be turned on or off in both Hardware and Host modes.
DIGITAL DATA FORMAT
Both the transmitter and receiver can be configured to operate in dual or single-rail data formats. This feature
is available under both Hardware and Host control modes, on a global basis. The dual or single-rail data
format is determined by the state of the SR/DR pin in Hardware mode or SR/DR interface bit in the Host
mode. In single-rail mode, transmit clock and NRZ data are applied to TCLK_n and TPOS_n/TDATA_n pins
respectively. In single-rail and Hardware mode the TNEG_n/CODES_n input can be used as the CODES
function. With TNEG_n/CODES_n tied “Low”, HDB3 or B8ZS encoding and decoding are enabled for E1 and
T1 modes respectively. With TNEG_n/CODES_n tied “High”, the AMI coding scheme is selected. In both dual
or single-rail modes of operations, the transmitter converts digital input data to a bipolar format before being
transmitted to the line.
TRANSMIT CLOCK (TCLK) SAMPLING EDGE
Serial transmit data at TPOS_n/TDATA_n and TNEG_n/CODES_n are clocked into the XRT83SL34 under the
synchronization of TCLK_n. With a “0” written to the TCLKE interface bit, or by pulling the TCLKE pin “Low”,
input data is sampled on the falling edge of TCLK_n. The sampling edge is inverted with a “1” written to TCLKE
interface bit, or by connecting the TCLKE pin “High”.
FIGURE 9. ARBITRARY PULSE SEGMENT ASSIGNMENT
1
2
3
4
5
6
7
8
Segment
Register
1
0xn8
2
0xn9
3
0xna
4
0xnb
5
0xnc
6
0xnd
7
0xne
8
0xnf
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT83SL34IV-F 功能描述:時鐘合成器/抖動清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT83SL38 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83SL38_07 制造商:EXAR 制造商全稱:EXAR 功能描述:OCTAL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER
XRT83SL38ES 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
XRT83SL38ES-BG 功能描述:界面開發(fā)工具 Eval System for XRT83SL38 Series RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
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