A quasi-synchronous information (clocking, data, control signals) transfer between a master unit A and at least one neighbor unit B offers the advantage that one transfer can occur every cycle where any interface delays are tolerated. When the master unit A sends its internal clock along with data and/or...http://www.google.com.tw/patents/US5450572?utm_source=gb-gplus-share專利 US5450572 - Quasi-synchronous information transfer and phase alignment means for enabling same
