找到约 1598 条相关结果
... 图2所示,无线内窥镜采用CPLD芯片EPM7256-144,实现30万像 ... 以及可控光源和系统控制。CPLD和ARM7之间的图像数据交换通过 ... 命令后,ARM控制CPLD开始采集图像数据。 ④CPLD把采集到的 ... ,并通知ARM进行压缩;同时CPLD往另一块SRAM中继续采集下 ...
... digital control triggering system based on DSP&CPLD is designed. The system uses high-speed DSP ... initial trigger pulse by synchronizing signal, and uses CPLD to realize the pulse distribution and working status ...
... 频率计的硬件电路设计。Using CPLD chip and MCU combined with the method of ... of signal shaping by Schmidt trigger, then use CPLD frequency counting, data transmission and then counted to ...
... frequency clock Outputs using clock division circuits of CPLD, realize clock module control interface using Finite State ...
... with the help of the programmable technology of CPLD.Its key features,principle and design ideas of ... .The login design principle,the realizing circuit of CPLD and its waveform of time order simulation were ...
... its working principle.The driving circuit based on CPLD has been selected as driving working program.EPM240T100C5N ... for example,linear CCD driving circuit based on CPLD is designed,and the diagram of hardware design ...
... for EUP high speed solenoid valve based on CPLD was discussed,the engineering demand of solenoid valve ... carried out according to the control strategy of CPLD programmable logic.The PWM of circuit was carried ...
... 复杂可编程逻辑器件(CPLD)控制的特点分析,提出采用CPLD MCU控制结构实现电压 ... 控制对象.由于MCU和CPLD有很强的互补性,而CPLD MCU体系结构则能够 ... 最大限度地发挥出来.因此基于CPLD MCU体系结构的控制系统具备可靠性 ...
... 的主要目的。 由于CPLD采用连续连接结构,易于准确设定 ... 使电路性能更加优越。单片机和CPLD芯片是数字化高密度集成电路产品, ... 单元电路、MCU控制单元电路、CPLD单元电路和电源模块等硬件原理 ... 采集取样控制接口板设计、基于CPLD的控制系统设计与仿真、单片机 ...
... ,它以可编程逻辑器件(CPLD)作为控制及数据处理的核心 ... D/A转换器快速恢复。基于CPLD和DDS技术的函数发生器可以实现 ... 编程实现,基于可编程逻辑器件CPLD设计多波形信号发生器。用VHDL ... ,可移植性强。系统以CPLD为核心,采用直接数字合成技术 ...