NJU6535 Просмотр технического описания (PDF) - Japan Radio Corporation

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производитель

NJU6535

1/3 , 1/4 Duty LCD Driver

Japan Radio Corporation  

NJU6535

Timing chart of key data reading out operation

Key input

SO

Key ON

t1

t2 t1

Key OFF

t2 t1

CE

SCL

Interrupt

t3

t3

t3

t3

Decision

Key OFF

Key ON

Key OFF

t1: Key scan time

t2: Key data read time

t3: Interrupt cycle

*: t3 > t1 + t2

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