奇产生器预置型格雷码计数器的GAL实现
Odd Parity Generator Preset-Type Gray Code Counter Based on GAL
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摘要: 格雷编码的计算机程序存贮器地址总线没能推广的主要问题是格雷码计数器不便于置数.将奇产生电路用于格雷码计数器中,设计了附加位预置型和直接预置型两种可置数格雷码加法计数器.并用GAL16V8对后者进行了加电验证,证实了设计的有效性.Abstract: The main trouble of address bus of computer program memory coded by Gray code hasn't been widely applied is presetting of Gray code counter isn't easy.Using the odd parity generator in Gray code counter,the presetting can be solved perfectly.Two kinds of Gray code plus counter of additional bit preset-type and direct preset-type are designed.The latter is implemented by GAL16V8 and the validity of the design is confirmed.
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