ET64M2
ET64M2 is Keyboard expansion circuit supports up to 55 keys manufactured by Etek Microelectronics.
General Description 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 operation voltage Simple application circuit Package: QFN16 (3×3)
Applications
Cell phones Note books MP4/PMP Pin Configuration...
