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用单板机搞工业控制的用户,总希望有一台具有开发能力的系统机,特别是用汇编语言写程序的软件人员,尤其如此。虽然目前有的系统机已具有EPROM烧入的功能,使用起来比较方便,但尚有不足之处。例如调试一个工业控制程序,其间要经过多次反复修改。因此,对EPROM片子也就难免会经过烧入——擦掉——烧入,重复多次。从而对EPROM片子的使用寿命很不利,有时可能会损坏一部份EPROM片子,增加成本费用。
The use of single-board industrial control users, always want to have a system capable of developing machines, especially software written in assembly language programmers, especially. Although some of the current system machines have the function of EPROM burn into, more convenient to use, but there are still some shortcomings. For example, debugging an industrial control program, during which many repeated changes. Therefore, the EPROM film will inevitably go through after burning - wiping - burning, repeated several times. Thus the service life of EPROM film is very unfavorable, sometimes may damage a portion of EPROM film, increase the cost.