Transcript 上課投影片
Logic Experiment 9 老師:伍紹勳 助教:江長庭 鄭仲傑 Equipment • IC:221Ω電阻x 4、7476 x 2、 7400(NAND) x 1、LED x 4 、微動開關*1 Review • Edge Trigger – Positive-Edge-Trigger – Negative-Edge-Trigger Trigger Input Output Negative edge Positive edge SR Latch - Debouncing 微動開關 R GND S JK flip-flop (JK FF) Upper Counter working process 11 1 Clock A B C D 0 1 0 0 1 7476 (JK FF) • Preset: Setting FF asynchronously • Clear: Clear FF asynchronously