Flight Attendant Call Button Press Call Light Turns On Stays On After Button Released Press Cancel Light Turns Off And 1 (41.06 KiB) Viewed 14 times
Flight Attendant Call Button Press Call Light Turns On Stays On After Button Released Press Cancel Light Turns Off And 2 (10.1 KiB) Viewed 14 times
Flight attendant call button Press CALL: light turns on Stays on after button released Press CANCEL: light turns off And is shown diagrammatically in Figure 1. Blue Bit Call button Cancel button Storage 1. Call button pressed - light turns ON Blue Call button Cancel button Bit Storage 2. Call button released - light STAYS ON Blue Call button Cancel button Bit Storage 3. Cancel button pressed - light turns OFF Figure 1. Flight Attendant System State Machine Description System Analysis and Implementation As discussed in class from the problem description we can obtain the following state output/transition table.
this is a current state this will be latched with the rising clock edge Call Q D D 0 Cancel 0 0 0 0 0 0 1 1 0 0 1 0 0 1 1 0 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 1 Table 1. Finite State Machine Derive excitation equation which leads to the following implementation schematic
CARD ANCO CARD FD EDER Figure 2. Flight Attendant System Schematic
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