lc75884e Sanyo Semiconductor Corporation, lc75884e Datasheet - Page 26

• Manufacturer Part Number: lc75884e
• Description: 1/4 Duty Lcd Display Drivers With Key Input Function
• Manufacturer: Sanyo Semiconductor Corporation

LC75884E, LC75884W
2. Interrupt based key data acquisition
(1) Flowchart
(2) 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.
(1600T(S))
t7: Key address (43H) transfer time
1
T = ———
t8: Key data read time
fosc
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