keyboard subsystem 中文意思是什麼
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Count that judge key assignments and interrupt accomplish the function of keyboard. two chip of saa1064 with i2c interface compose 8 bit led display subsystem. thus the configuration are simplified. at24c01 is selected for the data memory chip
而鍵盤採用了計數判斷鍵值和中斷的相結合方式；同時八位led顯示子系統採用基於i ~ 2c總線的saa1064晶元構成的顯示子系統，簡化了系統的結構。
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