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EC3648

E-Cmos
Part Number EC3648
Manufacturer E-Cmos
Description PS2 KEYBOARD CONTROLLER
Published Dec 31, 2006
Detailed Description www.DataSheet4U.com PS2 KEYBOARD CONTROLLER EC3648 Preliminary FEATURE „ z Low cost - eliminate need external compo...
Datasheet PDF File EC3648 PDF File

EC3648
EC3648

Overview
www.
DataSheet4U.
com PS2 KEYBOARD CONTROLLER EC3648 Preliminary FEATURE „ z Low cost - eliminate need external components.
z Phantom key detects.
z Support scan code set 1 ,2 and 3.
z Support PC AT and PS/2 keyboard .
z Low power CMOS device technology.
z Internal pull-up resistor.
z Tri-state outputs for easy board application.
z Built-in 8-bit’s CPU.
z 5K bytes of ROM.
z 128 bytes of RAM.
z Support WINDOWS TM 95, 98, 2000, ME, XP keys.
z Normal operation frequency is 4 MHz.
z Built-in RC type oscillator with external resister z On chip general 8 bit preload timer DESCRIPTION „ The EC3648 is a single chip CMOS micro-controller for keyboard application, specially for IBM P...


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