高速PCM图像数据存储器

High Speed PCM Image Data Acquisition Memory

为了准确接收和存储某遥测系统的PCM、图像数据,设计了基于FPGA的高速PCM、图像数据采集存储器。存储器以FPGA为控制核心,并利用三星FLASH芯片K9WBG08U1M的交叉双平面页编程技术提高数据写入速度;为了实现存储器的多次上电存储并保证上一次上电存储的数据不被覆盖,我们在FPGA控制FLASH实现边擦边写的基础上开发了断电续存技术。设计的存储器具有数据写入速度快、可多次上电存储和抗干扰能力强等特点。

In order to receive PCM data and image information from a remote metering system exactly, we designed a memory to meet the requirement. The memory uses FPGA as the control center and makes use of the interleave two-plane page program technique of Samsung flash memory K9WBG08U1M to raise the data writing speed. Also on the foundation of using the operation of erasing and writing meanwhile of memory, the technology of continuous memory method, we developed to make sure that the previous stored data can not be covered when the memory is powered on several times. The memory we designed has the characteristics of high data writing speed, capability of storing data when powered on several times and ability of high resistance to interference.