rotW.rar
文件大小: 6k
下载次数:3
源码类别:

VHDL/FPGA/Verilog

开发平台:

VHDL

源码售价: 5 个金币 积分规则     积分充值
资源说明:Rotating Wheel is a simple digital circuit which makes use of a Seven Segment Display (SSD). It causes a continuous clockwise/anticlockwise movement of the SSD segments. Also, the circulatory movements are made more realistic by providing momentary overlap between neighbouring segments. The sequence generated by the segments of SSD is as follow : a-ab-b-bc-c-cd-d-de-e-ef-f-fa-a (in anticlockwise mode and reverse in clockwise mode). The combined states last only for 30 milliseconds whereas single states last for 80 milliseconds to 1 second. If stop is arrested, the display rests on the state a . A freeze/enable input is also provided to hold the output at its present state.
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