摘要
基于ARM的嵌入式系统的核心部分包括处理器、存储器、JTAG电路和电源部分。存储器主要由SDRAM、FLASH和EEPROM等组成,本文给出了具体电路。JTAG电路包括复位电路和JTAG接口电路。电源部分采用LDO器件,本文分析了各个模块的耗电情况,并给出了电源设计的方法。
Embedded system based on ARM is composed of MCU, memory, JTAG circuit and power supply. The memory consists of SDRAM, FLASH and EEPROM, etc, see the article for circuits. JTAG circuit is made of reset circuit and JTAG interface. Power supply is based on LDO chips. After analyzed the power consumption of all the modules, a design method is given.
出处
《电子器件》
CAS
2004年第1期153-156,18,共5页
Chinese Journal of Electron Devices
