查看会员资料
用 户 名:艾****
发送消息- Email:用户隐藏
- Icq/MSN:
- 电话号码:
- Homepage:
- 会员简介:
最新会员发布资源
8253
- 外加时钟频率为2MHz时,通过8253产生方波,并使发光二极管按照亮1s,灭1s的间隔闪动。画出电路图、按要求编写程序,在仿真环境下调试通过。-plus the clock frequency is 2MHz, produces a square wave by 8253, and light-emitting diode in accordance with 1s, flash off intervals of 1s. Draw the circuit, according to the re