逻辑电路

Treated as a synchronous datapath, the 4 phase bundled-data pipeline can be compiled top-down and with timing constraints. The full-custom C-elements are used in it and regarded as combinatorial gates during timing analysis. Circuit synthesized using this methodology will be better.

通过将4相位捆绑数据寄存器流水线数据通道等效为一个同步流水线，可以自顶向下地进行有时序约束的综合，采用全定制C单元，并把其当作组合逻辑门进行分析，综合出的电路更加优化。

It is composed of circuit of the modules to originally design, including various integrate one , simple and easy digital cymometer based on the logic device , simple electronic device.

本设计是由模块电路组成的，包括各种集成块、逻辑器件、简单的电子器件为基础的简易数字频率计。

A DC motor driver with constant frequency PWM is developed based on PIC, and the running performance of the DC motor is improved greatly.

另外使用PIC器件完成了单芯片集成式运行电路的设计，实现了直流电机的正常驱动，简化了控制逻辑系统。

Cell routing is based on the principle of logical channels with dual identification: the cell header contains the identifier of the basic connection to which the cell belongs-called a virtual circuit and the identifier of the group of VCs to which the connection belongs-called a virtual path.

信元寻找路由是基于带有双重识别的逻辑信道原理：信元头包含了信元所属的基本连接识别符，这种基本连接称作虚电路，另一种是连接所属的 VC 组识别符，称作虚路径

Layout design technique about elementary logic gate of digital circuit has been discussed in detail.

其中着重对数字电路基本逻辑门版图设计技术进行了探讨。

Objective: This article elaborated the counter in electronic design function, this design through sent to the digital circuit as well as the logical function analyzes more explicit explanation its design the principle to grasp center the scale integration counter use and the function tests the method.

目的：本文阐述了计数器在电子设计中的作用，该设计通过对数字电路的以及逻辑功能法分析更明确的说明了其设计的原理掌握了中规模集成计数器的使用及功能测试方法。

The logical part of the driver uses a high grade single chip microcontroller.The driver has a special structure switching main circuit,therefore it eliminates the driving chip of the power devices.The driver needs only one exterior power supply.

驱动器逻辑部分采用高性能的单片机，开关主电路中采用特殊结构，省去了功率器件的驱动芯片，整个驱动器只需一个外部电源。

Besides, it presents a method of realizing the reconfiguration and voting circuit using fail-safe logic component.

此外，提出了用故障安全电路元件实现格局变换和表决逻辑的方法。

The sine and cosine signals induced on stator are amplified by instrumentation amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA, and the converted 16-bit parallel angle data and direction signal are transferred to DSP.

本设计中通过RC 振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过FPGA 实现数字逻辑控制以及地址解码，将转换后的16 位并行转角数据以及方向信号送入DSP 中。

In this design, a single-phase exciting signal generated by RC oscillatory circuit is applied to the rotor of synchro. The sine and cosine signals induced on stator are amplified by instrumentation amplifier and connected to the converter AD2S83, which is designed according to tracking goniometry. Digital logic control and address encoding are processed by FPGA, and the converted 16-bit parallel angle data and direction signal are transferred to DSP.

本设计中通过RC振荡电路为感应同步器转子提供单相激磁信号，定子上感应出来的正弦和余弦两路信号通过仪表放大器的差分放大之后提供给基于跟踪型测角原理的转换芯片AD2S83，通过FPGA实现数字逻辑控制以及地址解码，将转换后的16位并行转角数据以及方向信号送入DSP中。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。