lc75808e Sanyo Semiconductor Corporation, lc75808e Datasheet - Page 38

• Manufacturer Part Number: lc75808e
• Description: 1/8 To 1/10 Duty Lcd Display Drivers With Key Input Function
• Manufacturer: Sanyo Semiconductor Corporation

2. Interrupt based key data acquisition
• Flowchart
• Timing chart
t5: Key scan execution time when the key data agreed for two key scans. (800T(S))
t6: Key scan execution time when the key data did not agree for two key scans and the key scan was executed again.
t7: Key address (43H) transfer time
t8: Key data read time
(1600T(S))
DO = [ L ]
CE = [ L ]
CE = [ L ]
DO = [ H ]
T = ———
LC75808E, 75808W
fosc
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