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文章介绍了ＳＴＤ总线工控机上含双电子盘、掉电保护、高可靠的看门狗电路、实时日历时钟和总线匹配等多功能系统支持卡的设计。
This article introduces the design of multi-function system support card including STD bus IPC with double electronic disk, power-off protection, high reliable watchdog circuit, real-time calendar clock and bus matching.