【作者】 曹昕燕；

【Author】 CAO Xin-yan (College of Electronic Information Engineering,Changchun University,Changchun 130022,China)

【机构】 长春大学电子信息工程学院；

【摘要】 详细介绍了 Photobit 公司的 PB-1024 CMOS APS 图像传感器的驱动时序关系,提出了基于 CPLD 来实现 CMOS APS 图像传感器驱动控制电路的方法。系统选用美国 Xilinx 公司的 XC9500系列 CPLD 作为硬件设计的开发平台,运用 VHDL 语言来实现对驱动电路的硬件描述, 并采用 Xilinx 公司的 Foundation 软件对设计的驱动时序进行了仿真。测试与仿真结果表明所设计的驱动时序电路完全能够达到 CMOS APS 图像传感器的要求。更多还原

【Abstract】 The driving timing for PB-1024 CMOS APS image sensor of Photobit Corporation was analyzed.The method of the driving control circuit for PB-1024 CMOS APS image sensor based on CPLD was introduced.The CPLD(a series of XC9500 products made by Xilinx Corporation) was used as a hardware design platform and VHDL was employed to describe the driving sequen- cer.The driving timing was successfully fulfilled the system simulation with foundation software of Xilinx Corporation.The results of test and simulation show that the design timing circuit can exactly meet the requirements of CMOS APS image sensor.更多还原