ET64M2 keys equivalent, keyboard expansion circuit supports up to 55 keys.
CMOS manufacturing process 2.0V to 4.3V operation voltage Simple application circuit Package: QFN16 (3×3)
Applications
Cell phones Note books MP4/PMP Pin Configuration
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Cell phones Note books MP4/PMP Pin Configuration
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The ET64M2 is a keyboard expansion circuit supports up to 55 keys. It generates a interrupt signal at DOUT when key pressed. It use DCLK as data synchronizing clock input and DOUT as key code output.
Features
CMOS manufacturing process 2.0V to 4.3V o.
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