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BiDirectional

單纖雙向即BiDi（BiDirectional），是指在一根光纖里可以同時傳輸收發兩個方向的光信號，就象馬路上由隔離帶隔開的正反兩個方向的車道，兩邊的車輛在各自的車道上行駛，互不干擾。而常規的光纖傳輸是單纖單向的，這樣要實現雙向的通信就需要兩根光纖。相比較而言，單纖雙向技術只使用一根光纖就完成了原來兩根光纖才能完成的工作，將現有光纖的傳輸量提高了一倍，從而大大節省了光纖資源。

SL811開發資料_包含源程序_電路圖_芯片資料

SL811開發資料_包含源程序_電路圖_芯片資料:SL811HS Embedded USB Host/Slave Controller.The SL811HS is an Embedded USB Host/Slave Controller capable of communicate with either full-speed or low-speed USB peripherals. The SL811HS can interface to devices such as microprocessors, microcontrollers, DSPs, or directly to a variety of buses such as ISA, PCMCIA, and others. The SL811HS USB Host Controller conforms to USB Specification 1.1.The SL811HS USB Host/Slave Controller incorporates USB Serial Interface functionality along with internal full-/low-speed transceivers.The SL811HS supports and operates in USB full-speed mode at 12 Mbps, or at low-speed 1.5-Mbps mode.The SL811HS data port and microprocessor interface provide an 8-bit data path I/O or DMA BiDirectional, with interrupt support to allow easy interface to standard microprocessors or microcontrollers such as Motorola or Intel CPUs and many others. Internally,the SL811HS contains a 256-byte RAM data buffer which is used for control registers and data buffer.The available package types offered are a 28-pin PLCC (SL811HS) and a 48-pin TQFP package (SL811HST-AC). Both packages operate at 3.3 VDC. The I/O interface logic is 5V-tolerant.

標簽： 811 SL 開發資料源程序

上傳時間： 2013-12-22

上傳用戶：a82531317
This gives examples of Session Description Protocol (SDP) offer/answer exchanges. Examples include

This gives examples of Session Description Protocol (SDP) offer/answer exchanges. Examples include codec negotiation and selection, hold and resume, and addition and deletion of media streams. The examples show multiple media types, BiDirectional, unidirectional, inactive streams, and dynamic payload types. Common Third Party Call Control (3pcc) examples are also given.

標簽： Description exchanges Protocol Examples

上傳時間： 2014-01-02

上傳用戶：450976175
計數器鎖存器 12位寄存器帶load

計數器鎖存器 12位寄存器帶load，clr等功能的寄存器雙向腳（clocked BiDirectional pin）一個簡單的狀態機一個同步狀態機用狀態機設計的交通燈控制器數據接口一個簡單的UART 測試向量（Test Bench）舉例：加法器源程序相應加法器的測試向量test bench）

標簽： load 計數器位寄存器鎖存器

上傳時間： 2014-01-16

上傳用戶：bjgaofei
HDFDUMP and BRFDUMP are utility programs developed for use with MISR data files. HDFDUMP will ext

HDFDUMP and BRFDUMP are utility programs developed for use with MISR data files. HDFDUMP will extract data from a MISR file in the HDF-EOS grid format (MISR Level 1B2 and Level 2 files) and writes unformatted binary files. BRFDUMP calculates radiances and BiDirectional reflectance factors (BRF) from MISR Level 1B2 files and creates unformatted binary files.

標簽： HDFDUMP developed programs BRFDUMP

上傳時間： 2017-04-02

上傳用戶：yy541071797
高精度雙向DC電源電流采樣電路設計

為適應雙向DC/DC功率變換的電流采樣需求,一種高精度高邊電流采樣電路被提出。其基本思想是在功率電路的高邊串入采樣電阻,借助電流鏡原理并引入偏置電流電路,將雙向電流均轉換為正向電壓輸出。通過理論分析與仿真結合的方法對電流鏡采樣原理及4種不同的偏置電流電路方案進行對比,最后通過實驗數據驗證了高精度高邊電流采樣電路的有效性。實驗數據表明,該采樣電路可在-25~75℃的溫度工作范圍內,針對-10~＋10 A范圍內的電流采樣實現優于5%的采樣精度。Current sensing plays an important role in controlling,monitoring or protection functions of power systems.To meet the current sensing requirement of BiDirectional DC/DC converters,a high-accuracy BiDirectional current sensing circuit is proposed.The proposed current sensing circuit inserts a resistor in the path of the current to be sensed,while the current mirror and biased current circuit are introduced.Therefore,the BiDirectional current can be expressed by positive voltage.By theoretical analysis and simulation,the sampling theory is analyzed and four biased current circuits are compared.At last,experimental results verified the proposed method.It is demonstrated that the proposed current sensing circuit can achi...

標簽： 雙向DC電源電流采樣

上傳時間： 2022-04-22

上傳用戶：

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