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诸如微处理器、控制器、DSP和ASIC产品等超大规模半导体集成电路是启动便携式电子产品快速成长的最主要技术;然而,在今天的几乎每一款便携式产品内部也会看到很多的分立逻辑器件,这些器件在连结便携式系统方面扮演了一个关键性的角色:将内核部分与外界联系起来的接口部分以及给产品增加的诸如升级、时钟分配和调节、电源管理支持等任选功能方面。这个角色与高集成度器件一样重要。
Very large-scale semiconductor integrated circuits such as microprocessors, controllers, DSPs, and ASIC products are among the top technologies driving the rapid growth of portable electronics; however, much of discrete logic is seen internally in almost every portable product today Devices that play a key role in connecting portable systems: the interface portion that links the kernel to the outside world, and optional features that add to the product such as upgrades, clock distribution and conditioning, and power management support. This role is as important as a highly integrated device.